Jack P. Callaghan Ph.D., CK, CCPE
E-mail jack.callaghan@uwaterloo.ca
Work (519) 888-4567 ext 37080
Fax (519) 746-6776
PUBLICATIONS
Books, Book Chapters, Reports (Total = 2)
1.
Callaghan, J.P. and Nelson-Wong, E., 2012. Existing muscle synergies and low back
pain: A case for preventative intervention. in Spinal Control: the Rehabilitation of Back
Pain ed. P. Hodges, J. van Dieen & J. Cholewicki, Elsevier.
2.
Callaghan, J.P. Cumulative spine loading. in The Occupational Ergonomics Handbook
2nd Ed.: Fundamentals and Assessment Tools for Occupational Ergonomics ed. W.S.
Marras & W. Karwowski, CRC Press, Chapter 13, 13-1 to 13-25, 2006.
Peer Reviewed Journal Publications (Total = 152)
2013 (xx)
1.
Glinka, M.N., Karakolis, T., Callaghan, J.P., Laing, A.C. Characterization of the
protective capacity of flooring systems using force-deflection profiling. Medical
Engineering and Physics 35(1): 108-115, 2013.
In Press
2.
Wong, A., Gallagher, K., Callaghan, J.P. Computerized system for measurement of
muscle thickness based on ultrasonography. Computer Methods in Biomechanics and
Biomedical Engineering In Press, 2012.
3.
Howarth, S.J. and Callaghan, J.P. The impact of shear force magnitude on cumulative
injury load tolerance: A force weighting approach for low-back shear loads. Theoretical
Issues in Ergonomics Science In Press, 2011.
4.
Gruevski, K., McKinnon, C.F., Dickerson, C.R., Callaghan, J.P. The impact of mobile
data terminal usage on posture and low back discomfort when combined with prolonged
driving in police officers. The International Journal of Occupational Safety and
Ergonomics In Press, 2012.
5.
Maly, M.R., Robbins, S.M.K., Stratford, P.W., Birmingham, T.B., Callaghan, J.P.
Cumulative knee adductor load distinguishes between healthy and osteoarthritic knees: A
proof of principle study. Gait and Posture In Press, 2012.
Jack P. Callaghan
Page 2
6.
Howarth, S.J., Gallagher, K.M., and Callaghan, J.P. Postural influence on the neutral
zone of the porcine cervical spine under anterior-posterior shear load. Medical
Engineering & Physics In Press, 2012.
7.
Gallagher, K.M., Wong, A., Callaghan, J.P. Possible mechanisms for the reduction of
low back pain associated with standing on a sloped surface. Gait and Posture In Press,
2012.
8.
Albert, W.J., Everson, D., Rae, M., Callaghan, J.P., Croll, J., Kuruganti, U.
Biomechanical and ergonomic assessment of urban transit operators. Work, In Press,
2012.
9.
Beach, T.A.C., Frost, D., Clark, J., Maly, M., Callaghan, J.P. Unilateral ankle
immobilization alters the kinematics and kinetics of lifting – Consideration of the
kinematic chain theory in the potential for occupational low-back injury. Work In Press,
2012.
10.
Holmes, M.W., McKinnon C.D., Dickerson C.R., Callaghan J.P. The effects of police
duty belt and seat design changes on lumbar spine posture, driver contact pressure and
discomfort. Ergonomics In Press, 2012.
11.
Howarth, S.J., Giangregorio, L., and Callaghan, J.P. Development of an equation for
calculating vertebral shear failure tolerance without destructive mechanical testing using
iterative linear regression. Medical Engineering & Physics In Press, 2012.
12.
Van Driel, R., Trask, C., Johnson, P., Callaghan, J.P., Koehoorn, M., Teschke, K.,
Anthropometry-corrected exposure modelling as a method to improve trunk posture
assessment with a single inclinometer. Journal of Occupational and Environmental
Hygiene In Press, 2012.
13.
Howarth, S.J., and Callaghan, J.P. Towards establishing an occupational threshold for
cumulative shear force in the vertebral joint - An in vitro evaluation of a risk factor for
spondylolytic fractures using porcine specimens. Clinical Biomechanics In Press, 2013.
Submitted/Accepted
14.
Azar, N.R., Iley, T., Godin, C.A., Callaghan, J.P., Andrews, D.M. Three-dimensional
peak and cumulative shoulder loads and postures during non-occupational tasks. Work,
Submitted, 2012.
15.
Howarth, S.J., Karakolis, T., Callaghan, J.P. A finite element evaluation of the moment
arm hypothesis for altered vertebral shear failure force. Computer Methods in
Biomechanics and Biomedical Engineering Submitted, 2012.
16.
Gooyers, C.E. and Callaghan, J.P. The inclusion of a 30 Hz high-pass filter for
electrocardiogram removal as a generic surface electromyography processing step.
Journal of Electromyography and Kinesiology Submitted, 2011.
Jack P. Callaghan
Page 3
17.
De Carvalho, D.E., Triano, J.J., Callaghan, J.P. Proposed palpation-based method for
placement of lead shielding for female gonadal tissue in lateral lumbar radiographs.
Journal of Radiological Protection Submitted, 2011.
18.
Gallagher, K.M., VandenBussche, J., Callaghan, J.P. Influence of an oblique path of
stair descent on toe placement and foot clearance. Human Factors Submitted, 2011.
19.
Gallagher, K.M., VandenBussche, J., Callaghan, J.P. Gait adaptations to different angles
of descent on a staircase. Gait and Posture Submitted, 2011.
20.
Karakolis, T., Callaghan, J.P. Examining a contrast tracking approach to estimate local
strain for intervertebral disc annulus during biaxial tensile testing. Journal of the
Mechanical Behavior of Biomedical Materials Submitted, 2012.
21.
Karakolis, T., Callaghan, J.P. The impact of sit-stand office workstations on worker
discomfort and productivity: A review. Applied Ergonomics Submitted, 2011.
22.
Jackson, J.A., Banerjee-Guenette, P., Gregory, D.E. and Callaghan, J.P. Should we be
more on the ball? The efficacy of accommodation training on lumbar spine posture,
muscle activity and perceived discomfort during stability ball sitting. Human Factors
Submitted, 2012.
23.
Cho, D.S., Wong, A., Callaghan, J.P., Yates, J., Clausi, D.A. Markov-Chain Monte
Carlo based image reconstruction for streak artifact reduction on contrast enhanced
computed tomography. Computer Methods in Biomechanics and Biomedical Engineering
Submitted, 2012.
24.
McKinnon C.D., Amy, S.A., Callaghan J.P., Dickerson C.R. The effect of police cruiser
restraint cage configuration on shoulder discomfort, muscular demands, upper limb
postures, and task performance during simulated police patrol. Applied Ergonomics
Submitted, 2012.
25.
Noguchi, M., Gooyers, C.E., Holmes, M.W.R., and Callaghan, J.P. The impact of
compressive force magnitude on the in vitro neutral zone range and passive stiffness
during a flexion-extension range of motion test. Spine Submitted, 2012.
26.
Gooyers, C.E., Frost, D.M., McGill, S.M., and Callaghan, J.P. Partial rupture of the
Achilles tendon during a simulated fire ground task: Insights obtained for the prevention
and reporting of musculoskeletal injury. Clinical Biomechanics Submitted, 2012.
27.
Karakolis, T., Howarth, S.J., Dickerson, C.R., Callaghan, J.P. Implementation of a
framework for verification, validation, and sensitivity analyses for a finite element model
of the porcine cervical vertebral joint during simulated shear displacement. Computer
Journal of Biomechanical Engineering Submitted, 2012.
Jack P. Callaghan
Page 4
28.
Joseph, C., Beach, T.A.C., Callaghan J.P., Dickerson C.R. The influences of precision
requirements and cognitive challenges on shoulder and arm physical demands during
prolonged repetitive lifting. Ergonomics Submitted, 2012.
29.
Choudry, M., Beach, T.A.C., Kulic, D., Callaghan, J.P. A Stochastic Framework for
Movement Strategy: Identification and Analysis. IEEE Transactions on Systems, Man
and Cybernetics: Systems Submitted, 2012.
30.
Frank, N., Callaghan, J.P., Prentice, S. Lower Limb Variability Associated With
Minimal Footwear During Running Footwear Science, Submitted, 2012.
31.
Beach, T.A.C, Frost, D.M., Callaghan, J.P. FMS™ Scores and Low-Back Loading
during Lifting - Whole-Body Movement Screening as an Ergonomic Tool? Applied
Ergonomics Submitted, 2012.
2012 (12)
32.
Howarth, S.J., and Callaghan, J.P. Compressive force magnitude and intervertebral joint
flexion/extension angle influence shear failure force magnitude in the porcine cervical
spine. Journal of Biomechanics 45(3): 484-490, 2012.
33.
Gooyers, C.E., Howarth, S.J., and Callaghan, J.P. The impact of posture and prolonged
cyclic compressive loading on vertebral joint mechanics. Spine 37(17): E1023-E1029,
2012.
34.
Holmes, M.W., Howarth, S.J., Callaghan, J.P., Keir, P.J. Biomechanical properties of
the transverse carpal ligament under biaxial strain. Journal of Orthopaedic Research
30(5): 757-763, 2012.
35.
De Carvalho, D.E. and Callaghan, J.P. Influence of automobile seat lumbar support
prominence on spine and pelvic postures: A radiological investigation. Applied
Ergonomics 43(5): 876-882, 2012.
36.
McKinnon C.D., Callaghan J.P., Dickerson C.R. Evaluation of the Influence of Mobile
Data Terminal Location on Physical Exposures During Simulated Police Patrol
Activities. Applied Ergonomics 43(5): 859-867, 2012.
37.
Frost, D.M., Beach, T.A.C., Fenwick, C.M., Callaghan, J.P., McGill, S.M. Is there a
low-back cost to hip-centric exercise? Quantifying L4/L5 joint compression and shear
forces during movements prescribed to overload the hips. Journal of Sports Sciences
30(9): 859-870, 2012.
38.
Gregory, D.E. and Callaghan, J.P. An examination of the mechanical properties of the
annulus fibrosus: The effect vibration on the intra-lamellar matrix strength. Medical
Engineering & Physics 34(4): 472-477, 2012.
Jack P. Callaghan
Page 5
39.
Callaghan, J.P., Howarth, S.J., Beach, T.A.C. Validation of occupational estimates of
cumulative low-back load. Occupational Ergonomics 10(3): 113-124, 2012.
40.
Frost D.M., Beach T.A.C., Callaghan J.P., McGill S.M. Using the Functional Movement
Screen to evaluate the effectiveness of training. Journal of Strength and Conditioning
Research 26(6): 1620-1630, 2012.
41.
Gooyers, C.E., Beach, T.A.C., Frost, D., Callaghan, J.P. The influence of resistance
bands on frontal plane knee mechanics during body-weight squat and vertical jump
movements. Journal of Sports Biomechanics 11(3): 391-401, 2012.
42.
Nelson-Wong, E., Alex, B., Csepe, D., Lancaster, D., Callaghan, J.P. Altered Muscle
Recruitment During Return to Stand from Trunk Flexion in Low Back Pain Developers
Spine. Clinical Biomechanics 27(10): 994-998, 2012.
43.
Andrews, D.M., Fiedler, K.M., Weir, P.L., Callaghan, J.P. The effect of posture
category salience on decision time and errors when using observation-based posture
assessment methods. Ergonomics 55(12): 1548-1558, 2012.
2011 (14)
44.
Gregory, D.E., Veldhuis, J.H., Horst, C., Brodland, G.W., Callaghan, J.P. Novel lap test
determines the mechanics of delamination between annular lamellae of the intervertebral
disc. Journal of Biomechanics 44(1): 97-102, 2011.
45.
McKinnon C.D., Callaghan J.P., Dickerson C.R. Field quantification of physical
exposures of police officers in vehicle operation. The International Journal of
Occupational Safety and Ergonomics 17(1): 61-68, 2011.
46.
Gregory, D.E. and Callaghan, J.P. Does vibration influence the initiation of
intervertebral disc herniation? An examination of herniation occurrence using a porcine
cervical disc model. Spine 36(4): E225-231, 2011.
47.
De Carvalho, D.E., Callaghan, J.P. Passive stiffness changes in the lumbar spine and
effect of gender during prolonged simulated driving. International Journal of Industrial
Ergonomics 41(6): 617-624, 2011.
48.
Gallagher, K.M., Nelson-Wong, E., Callaghan, J.P. Do individuals who develop
transient low back pain exhibit different postural changes than non-pain developers
during prolonged standing? Gait and Posture 34(4): 490-495, 2011.
49.
Holmes, M.W., Howarth, S.J., Callaghan, J.P., Keir, P.J. Carpal tunnel and transverse
carpal ligament stiffness with changes in wrist posture and indenter size. Journal of
Orthopaedic Research 29(11): 1682-1687, 2011.
Jack P. Callaghan
Page 6
50.
Gallagher, K.M., Fischer, S.L., Howarth, S.J., Albert, W.J., and Callaghan, J.P.
Surrogate representation of a task as a method for data reduction in calculating
cumulative spinal loading. Theoretical Issues in Ergonomics Science 12(6): 558-572,
2011.
51.
Robbins, S.M.K., Birmingham, T.B., Callaghan, J.P., Jones, G.R., Chesworth, B.M.,
Maly, M.R. Association of pain with frequency and magnitude of knee loading in knee
osteoarthritis. Arthritis Care & Research 63(7): 991-997, 2011.
52.
Milosavljevic, S., Pal, P., Gregory, D.E., Carman, A.B., Milburn, P.D., Callaghan, J.P.
The interaction between skill, postures, forces and low back pain in wool handlers.
Applied Ergonomics 42(6):801-806, 2011.
53.
Weir, P.L., Andrews, D.M., van Wyk, P.M., Callaghan, J.P. The influence of training on
decision times and errors associated with classifying trunk postures using video-based
posture assessment methods. Ergonomics 54(2): 197-205, 2011.
54.
Gregory, D.E. and Callaghan, J.P. A comparison of uniaxial and biaxial mechanical
properties of the annulus fibrosus: A porcine model. Journal of Biomechanical
Engineering 133(2): 024503, 2011.
55.
Marshall, P.W.M., Patel, H., Callaghan, J.P. Gluteus medius strength, endurance, and
co-activation in the development of low back pain during prolonged standing. Human
Movement Science 30(1): 63-73, 2011.
56.
Parkinson, R.J., Bezaire, M., Callaghan, J.P. A comparison of low back kinetic
estimates obtained through posture matching, rigid link modelling and an EMG-assisted
model. Applied Ergonomics 42(5): 644-651, 2011.
57.
Forde, K.A., Albert, W.J., Harrison, M.F., Neary, J.P., Croll, J., Callaghan, J.P. Neck
loads and posture exposure of helicopter pilots during simulated day and night flights.
International Journal of Industrial Ergonomics 41(2): 128-135, 2011.
2010 (19)
58.
Callaghan, J.P., Gregory, D.E., Durkin, J.L. Do NIRS measures relate to subjective
discomfort during sedentary tasks? International Journal of Industrial Ergonomics 40(2):
165-170, 2010. - Invited Paper
59.
Callaghan, J.P., Coke, S.K., Beach, T.A.C. Gender- and time-varying postural and
discomfort responses during prolonged driving. Occupational Ergonomics 9(1): 41-53,
2010. - Invited Paper
60.
Howarth, S.J., and Callaghan, J.P. Quantitative assessment of the accuracy for three
interpolation techniques in kinematic analysis of human movement. Computer Methods
in Biomechanics and Biomedical Engineering 13(6): 847-855, 2010.
Jack P. Callaghan
Page 7
61.
Howarth, S.J., Pronovost, L.M., Polgar, J.M., Dickerson, C.R., Callaghan, J.P. Use of a
geared wheelchair wheel to reduce propulsive muscular demand during ramp ascent:
Analysis of muscle activation and kinematics. Clinical Biomechanics 25(1): 21-28, 2010.
62.
Pal, P., Milosavljevic, S., Gregory, D.E., Carman, A.B., Callaghan, J.P. The influence
of skill and low back pain on trunk postures and low back loads of shearers. Ergonomics,
53(1): 65-73, 2010.
63.
De Carvalho, D.E., Soave, D., Ross, K., Callaghan, J.P. Lumbar Spine and Pelvic
Posture between Standing and Sitting: A radiological investigation including reliability
and repeatability of the lumbar lordosis measure. Journal of Manipulative and
Physiological Therapeutics 33(1): 48-55, 2010.
64.
Nelson-Wong, E. and Callaghan, J.P. Is muscle co-activation a causal factor for low
back pain development during standing? A multifactorial approach for early
identification of at-risk individuals. Journal of Electromyography and Kinesiology 20(2):
256-263, 2010.
65.
Dunk, N.M. and Callaghan, J.P. Lumbar spine movement patterns during prolonged
sitting differentiate low back pain developers from matched asymptomatic controls. Work
35(1): 3-14, 2010.
66.
Seaman, F.A., Albert, W.J., Weldon, N.R.E., Croll, J., Callaghan, J.P. Biomechanical
shoulder loads and postures in light automotive assembly workers: comparison between
shoulder pain/no pain groups. Work 35(1): 39-48, 2010.
67.
Eger, T.R., Godwin, A.G., Henry, D.J., Grenier, S.G., Callaghan, J.P., Demerchant, A.
Why vehicle design matters: Exploring the link between line-of-sight, driving posture and
risk factors for injury. Work 35(1): 27-37, 2010.
68.
Nelson-Wong, E. and Callaghan, J.P. Repeatability of clinical, biomechanical, and
motor control profiles in people with and without standing-induced low back pain.
Rehabilitation Research and Practice Article ID 289278, 9 Pages, 2010.
69.
Howarth, S.J., Polgar, J.M., Dickerson, C.R., Callaghan, J.P. Trunk muscle activity
during wheelchair ramp ascent and the influence of a geared wheel on the demands of
postural control. Archives of Physical Medicine and Rehabilitation 91(3): 436-442, 2010.
70.
Nelson-Wong, E. and Callaghan, J.P. The impact of a sloped surface on low back pain
during prolonged standing work: a biomechanical analysis. Applied Ergonomics 41(6):
787-795, 2010.
71.
Gallagher, K.M., Howarth, S.J., and Callaghan, J.P. Effects of anterior shear
displacement rate on the structural properties of the porcine cervical spine. Journal of
Biomechanical Engineering 132(9): 091004, 2010. DOI:10.1115/1.4001885
Jack P. Callaghan
Page 8
72.
Nelson-Wong, E., Howarth, S.J., Callaghan, J.P. Acute biomechanical responses to a
prolonged standing exposure in a simulated occupational setting. Ergonomics 53(9):
1117-1128, 2010. doi:10.1080/00140139.2010.500400
73.
Gregory, D.E. and Callaghan, J.P. An examination of the influence of strain rate on
subfailure mechanical properties of the annulus fibrosus. Journal of Biomechanical
Engineering 132(9):091010, 2010.
74.
Nelson-Wong, E. and Callaghan, J.P. Changes in muscle activation patterns and
subjective low back pain ratings during prolonged standing in response to an exercise
intervention. Journal of Electromyography and Kinesiology 20(6): 1125-1133, 2010.
75.
Howarth, S.J., Beach, T.A.C., and Callaghan, J.P. Dynamic factors and force-weighting
corrections influence estimates of cumulative vertebral joint compression. Theoretical
Issues in Ergonomics Science 11(5): 474-488, 2010.
76.
Azar, N.R., Godin, C.A., Andrews, D.M., Callaghan, J.P. Three-dimensional peak and
cumulative L4/L5 spine loads and trunk postures during activities of daily living.
Occupational Ergonomics 9(3): 127-139, 2010.
2009 (16)
77.
Parkinson, R.J. and Callaghan, J.P. The role of dynamic flexion in spine injury is altered
by increasing dynamic load magnitude. Clinical Biomechanics 24(2): 148-154, 2009.
78.
Dunk, N.M., Kedgley, A.E., Jenkyn, T.R., Callaghan, J.P. Sagittal lumbo-sacral
intervertebral angles in seated postures using digital radiography - Evidence of a
pelvis-driven flexion pattern. Clinical Biomechanics 24(2): 164-168, 2009.
79.
Drake, J.D.M. and Callaghan, J.P. Intervertebral neural foramina deformation due to
two types of repetitive combined loading. Clinical Biomechanics 24(1): 1-6, 2009.
80.
Parkinson, R.J. and Callaghan, J.P. The use of Artificial Neural Networks to reduce data
collection demands in determining spine loading: A laboratory based analysis. Computer
Methods in Biomechanics and Biomedical Engineering 12(5): 511-522, 2009.
81.
Nelson-Wong, E., Howarth, S.J., Winter, D.A., Callaghan, J.P. Application of auto and
cross-correlation analyses in human movement and rehabilitation research. Journal of
Orthopaedic & Sports Physical Therapy 39(4): 287-295, 2009.
82.
McClellan, A.J., Albert, W.J., Fischer, S.L., Seaman, F.A., Callaghan, J.P. Shoulder
loading while performing automotive parts assembly tasks: A field study. Occupational
Ergonomics 8(): 81-90, 2009.
83.
Howarth, S.J., Beach, T.A.C., Pearson, A.J., Callaghan, J.P. Using sitting as a
component of job rotation strategies: Are lifting/lowering kinetics and kinematics altered
following prolonged sitting. Applied Ergonomics 40(3): 433-439, 2009.
Jack P. Callaghan
Page 9
84.
Gregory, D.E., Pal, P., Carman, A.B., Milosavljevic, S., Callaghan, J.P. An
examination of shoulder postures and moments of force among different skill levels in
the wool harvesting industry. The International Journal of Occupational Safety and
Ergonomics 15(4): 409-418, 2009.
85.
Wong, A., Mishra, A., Yates, J., Fieguth, F., Clausi, D.A., Callaghan, J.P. Intervertebral
disc segmentation and volumetric reconstruction from peripheral quantitative computed
tomography imaging. IEEE Transactions on Bio-medical Engineering 56(11): 27482751, 2009.
86.
van Wyk, P.M., Weir, P.L., Andrews, D.M., Fiedler, K., Callaghan, J.P. Determining
the optimal size for posture categories used in video-based posture assessment methods.
Ergonomics 52(8): 921-930, 2009.
87.
Donnelly, C.J., Callaghan, J.P., Durkin, J.L. The effect of an active lumbar system on
the seating comfort of officers in police fleet vehicles. The International Journal of
Occupational Safety and Ergonomics 15(3): 295-307, 2009.
88.
Howarth, S.J. and Callaghan, J.P. The rule of one second for padding kinematic data
prior to digital filtering: Influence of sampling and filter cutoff frequencies. Journal of
Electromyography and Kinesiology 19(5): 875-881, 2009.
89.
Wong, A., Dunk, N.M., Callaghan, J.P. A systematic approach to feature tracking of
lumbar spine vertebrae from fluoroscopic images using complex-valued wavelets.
Computer Methods in Biomechanics and Biomedical Engineering 12(5): 607-616, 2009.
90.
Robbins, S.M.K., Birmingham, T.B., Jones, G.R., Callaghan, J.P., Maly, M.R.
Developing an estimate of daily cumulative loading for the knee: examining test-retest
reliability. Gait & Posture 30(4): 497-501, 2009.
91.
Nelson-Wong, E., Flynn, T., Callaghan, J.P. Development of active hip abduction as a
screening test for indentifying occupational low back pain. Journal of Orthopaedic &
Sports Physical Therapy 39(9): 649-657, 2009.
92.
Gregory, D.E., Laughton, C., Carman, A.B., Milosavljevic, S., Callaghan, J.P. Trunk
postures and peak and cumulative low back kinetics during upright posture sheep
shearing. Ergonomics 52(12): 1576-1583, 2009.
2008 (17)
93.
Parkinson, R.J. and Callaghan, J.P. Quantification of the relationship between load
magnitude, rest duration and cumulative compressive tolerance of the spine:
Development of a weighting system for adjustment to a common injury exposure level.
Theoretical Issues in Ergonomics Science 9(3): 255-268, 2008.
Jack P. Callaghan
Page 10
94.
Nelson-Wong, E, Gregory, D.E., Winter, D.A., Callaghan, J.P. Gluteus medius muscle
activation patterns as a predictor of low back discomfort. Clinical Biomechanics 23(5):
545-553, 2008.
95.
Gregory, D.E., Narula, S., Howarth, S.J., Russell, C., Callaghan, J.P. The effect of
cardiovascular fatigue on trunk muscle activation patterns and spine postures during
simulated firefighting tasks. Ergonomics 51(7): 1032-1041, 2008.
96.
Drake, J.D.M. and Callaghan, J.P. Do flexion/extension postures affect the in-vivo
passive lumbar spine response to applied axial twist moments? Clinical Biomechanics
23(5): 510-519, 2008.
97.
Gregory, D.E., Milosavljevic, S., Pal, P., Callaghan, J.P. An examination of shoulder
kinematics and kinetics when using a commercial trunk harness while sheep shearing.
Applied Ergonomics 39(1): 29-35, 2008.
98.
Beach, T.A.C., McDonald, K.A., Coke, S.K., and Callaghan, J.P. Gender response to
automobile and office sitting - Influence of hip, hamstring, and low-back flexibility on
seated postures. The Ergonomics Open Journal 1: 1-9, 2008.
99.
Howarth, S.J., Beach, T.A.C., Callaghan, J.P. Abdominal muscles dominate
contributions to vertebral joint stiffness during the pushup. Journal of Applied
Biomechanics 24(2): 130-139 2008.
100.
Gregory, D.E., Brown, S.H.M. and Callaghan, J.P. Trunk muscle responses to suddenly
applied loads: Do individuals who develop discomfort during prolonged standing respond
differently? Journal of Electromyography and Kinesiology 18(3): 495-502 2008.
101.
Beach, T.A.C., Howarth, S.J., Callaghan, J.P. The contribution of the trunk muscles to
lumbar spine joint loading and rotational stiffness during the performance of standard and
suspended push-up exercises. Human Movement Science 27(3): 457-472, 2008.
102.
Cann, A., Connolly, R., Ruuska, R., MacNeil, M., Birmingham, T., Vandervoort, A.A.,
Callaghan, J.P. Inter-rater reliability of a posture matching assessment approach: a pilot
study with food service worker. Ergonomics 51(4): 556-572, 2008.
103.
Pal, P., Gregory, D.E., Milosavljevic, S., Carman, A.B., Callaghan, J.P. Wool
Harvesting - a review. The Journal of Occupational Health and Safety - Australia and
New Zealand 24(5): 435-453, 2008.
104.
Sutherland, C.A., Albert, W.J., Wrigley, A.T. and Callaghan, J.P. A validation of a
posture matching approach for the determination of 3D cumulative back loads. Applied
Ergonomics 39(2): 199-208, 2008.
Jack P. Callaghan
Page 11
105.
Gregory, D.E. and Callaghan, J.P. Prolonged standing as a precursor for the
development of low back discomfort: An investigation of possible mechanisms. Gait and
Posture 28(1): 86-92, 2008.
106.
Andrews, D.M., Holmes, A.M., Weir, P.L., Arnold, T.A., Callaghan, J.P. Decision time
and errors increase when classifying trunk postures near posture bin boundaries.
Theoretical Issues in Ergonomics Science 9(5): 425-440, 2008.
107.
Drake, J.D.M., Dobson, H., and Callaghan, J.P. The influence of posture and loading on
inter-facet spacing: An investigation using MRI on porcine spinal units. Spine 33(20):
E728-734, 2008.
108.
Eger, T., Stevenson, J., Callaghan, J.P., Grenier, S., and VibRG. Health risks associated
with the operation of load-haul-dump mining vehicles: Part 2- evaluation of operator
driving postures and associated postural loading. International Journal of Industrial
Ergonomics 38(9-10): 801-815, 2008.
109.
Andrews, D.M., Arnold, T.A., Weir, P.L., Van Wyk, P.M., Callaghan, J.P. Errors
associated with bin boundaries in observation-based posture assessment methods and
their effect on peak and cumulative low back loads. Occupational Ergonomics 8(1): 1125, 2008.
2007 (6)
110. Tampier, C., Drake, J.D.M., Callaghan, J.P., McGill, S.M. Progressive Disc Herniation:
An investigation of the mechanism using radiological, histochemical, and microscopic
dissection techniques. Spine 32(25): 2869-2874, 2007.
111.
Parkinson, R.J. and Callaghan, J.P. The role of load magnitude as a modifier of the
cumulative load tolerance of porcine cervical spinal units: Progress towards a force
weighting approach. Theoretical Issues in Ergonomics Science 8(3): 171-184, 2007.
112.
Weir, P.L., Holmes, A.M., Andrews, D.M. Albert, W.J., Azar, N.R., Callaghan, J.P.
Determination of the just noticeable difference (JND) in trunk posture perception.
Theoretical Issues in Ergonomics Science 8(3): 185-200, 2007.
113.
Parkinson, R.J. and Callaghan, J.P. Can periods of static loading be used to enhance the
resistance of the spine to cumulative compression? Journal of Biomechanics 40(13):
2944-2952, 2007.
114.
Sutherland, C.A., Albert, W.J., Wrigley, A.T. and Callaghan, J.P. The effect of
recording angle on posture assessment repeatability and cumulative spinal loading.
Ergonomics 50(6): 877-889, 2007.
115.
Fischer, S.L., Albert, W.J., McClellan, A.J., Callaghan, J.P. Methodological
considerations in the calculation of cumulative exposure: An assessment of joint model
and time standardization approaches on error. Ergonomics 50(9): 1365-1376, 2007.
Jack P. Callaghan
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2006 (10)
116. Gregory, D.E., Milosavljevic, S., Callaghan, J.P. Quantifying low back peak and
cumulative load in open and senior sheep shearers in New Zealand: Examining the
effects of a trunk harness. Ergonomics 49(10): 968-981, 2006.
117.
Durkin, J.L., Harvey, A., Hughson, R.L., Callaghan, J.P. The effects of lumbar massage
on driver performance, low back discomfort, and muscle fatigue during prolonged
driving. Ergonomics 49(1): 28-44, 2006.
* Second most downloaded paper from the 2006 volume
118.
Beach, T.A.C., Coke, S.K., Callaghan, J.P. Upper body kinematic and low back kinetic
responses to precision placement and cognitive distraction challenges during repetitive
lifting. International Journal of Industrial Ergonomics 36(7): 637-650, 2006.
119.
Drake, J. and Callaghan, J.P. Elimination of electrocardiogram contamination from
electroymyogram signals: An evaluation of currently used removal techniques. Journal of
Electromyography and Kinesiology 16(2): 175-187, 2006.
2010 - 7th most cited paper at JEK in past 5 years
120.
Gregory, D.E., Dunk, N.M., Callaghan, J.P. The comparison of muscle activation and
lumbar spine posture during prolonged sitting on a stability ball and in an office chair.
Human Factors 48(1): 142-153, 2006.
121.
Waters, T., Yeung, S., Genaidy, A., Callaghan, J.P., Barriera-Viruet, H., Welge, J.,
Deddens, J. Cumulative Spinal Loading Exposure Methods for Manual Material
Handling Tasks: Part 1: Is Cumulative Spinal Loading Associated With Lower Back
Disorders?. Theoretical Issues In Ergonomics Science 7(2): 113-130, 2006.
122.
Waters, T., Yeung, S., Genaidy, A., Callaghan, J.P., Barriera-Viruet, H., Abdallah, S.,
Kumar, S. Cumulative Spinal Loading Exposure Methods for Manual Material Handling
Tasks: Part 2 - Methodological Issues and Applicability for Use in Epidemiological
Studies. Theoretical Issues In Ergonomics Science 7(2): 131-148, 2006.
123.
Albert, W.J., Duncan, C., Currie-Jackson, N., Gaudet, V., Callaghan, J.P.
Biomechanical assessment of massage therapists. Occupational Ergonomics 6(1): 1-11,
2006.
124.
Drake, J.D.M., Fischer, S.L., Brown, S.H.M., Callaghan, J.P. Do exercise balls provide
a training advantage? An evaluation of muscle activation, spine postures and loading for
three trunk extensor exercises. Journal of Manipulative and Physiological Therapeutics
29(5): 354-362, 2006.
125.
Azar, N., Andrews, D.M., Callaghan, J.P. Predicting 3D cumulative L4/L5 spine loads
and moments incurred during non-occupational tasks using heart rate determined physical
activity level. Occupational Ergonomics 6(3&4): 173-186 2006. (Note: published in
2007)
Jack P. Callaghan
Page 13
2005 (9)
126. Dunk, N.M., Keown, K.J., Andrews, D.M., Callaghan, J.P. Predicting cumulative low
back loading during repetitive lifting: Influence of task variability on data extrapolation.
Occupational Ergonomics 5(3): 149-159, 2005. (Note: published in 2006)
127.
Durkin, J.L. and Callaghan, J.P. Effects of minimum sampling rate and signal
reconstruction on surface electromyographic signals. Journal of Electromyography and
Kinesiology 15(5): 474-481, 2005.
128.
Beach, T., Parkinson, R., Stothart, J.P., Callaghan, J.P. The effects of prolonged sitting
on the passive flexion stiffness of the in vivo lumbar spine. The Spine Journal 5(2):
145-154, 2005.
129.
Dunk, N.M., Lalonde, J., Callaghan, J.P. Implications for the use of postural analysis as
a clinical diagnostic tool: Reliability of quantifying upright standing postures. Journal of
Manipulative and Physiological Therapeutics 28(6): 386-392, 2005.
130.
Azar, N., Andrews, D.M., Callaghan, J.P. Accuracy of spine cumulative loading using
self-reported duration and frequency information during non-occupational tasks.
International Journal of Industrial Ergonomics 43(8): 459-461, 2005.
131.
Parkinson, R.J., Durkin, J.L., Callaghan J.P. Estimating the compressive strength of the
porcine cervical spine: an examination of the utility of DXA. Spine 30(17): E492-E498,
2005.
132.
Drake, J., Aultman, C., McGill, S.M., Callaghan, J.P. The influence of static axial
torque in combined loading on intervertebral joint failure mechanics using a porcine
model. Clinical Biomechanics 20(10): 1038-1045, 2005.
133.
Dunk, N.M., Callaghan, J.P. Gender-based differences in postural responses to seated
exposures. Clinical Biomechanics 20(10): 1101-1110, 2005.
134.
Callaghan, J.P., Keown, K., and Andrews, D.M. Influence of dynamic factors on
calculating cumulative low back loads. Occupational Ergonomics 5(2): 89-97, 2005.
2004 (3)
135. Parkinson, R., Beach, T., Callaghan, J.P. The time-varying response of the in vivo
lumbar spine to dynamic repetitive flexion. Clinical Biomechanics 19(4): 330-336, 2004.
136.
Dunk, N.M., Chung, Y., Sullivan, D., Callaghan, J.P. The reliability of quantifying
upright standing postures as a baseline diagnostic clinical tool. Journal of Manipulative
and Physiological Therapeutics 27(2): 91-96, 2004.
137.
Aultman, C., Drake, J., Callaghan, J.P., McGill, S.M. The effect of static torsion on the
compressive strength of the spine: An in-vitro analysis using a porcine spine model.
Spine 29(15): E304-E309, 2004.
Jack P. Callaghan
Page 14
2003 (2)
138. Beach, T., Mooney, S., Callaghan, J.P. An electromyographic evaluation of a
continuous passive motion device during prolonged seated computer work. Work 20(3):
237-244, 2003.
139.
Andrews, D.M. and Callaghan, J.P. Determining the minimum sampling rate needed to
accurately quantify cumulative spine loading from digitized video. Applied Ergonomics
34(6): 589-595, 2003.
2002 (2)
140. Callaghan, J.P. and Dunk, N.M. Examination of the flexion relaxation phenomenon in
the erector spinae muscles during short duration slumped sitting. Clinical Biomechanics
17(5): 353-360, 2002.
141.
Sullivan, D., Bryden, P., Callaghan, J.P. Inter- and intra-observer reliability of
calculating cumulative lumbar spine loads. Ergonomics 45(11): 788-797, 2002.
2001 (4)
142. Callaghan, J.P., Salewytsch, A.J., Andrews, D.M. An evaluation of predictive methods
for estimating cumulative spine loading. Ergonomics, 44(9): 825-837, 2001.
143.
Callaghan, J.P. and McGill S.M. Intervertebral disc herniation: studies on a porcine
model exposed to highly repetitive flexion/extension motion with compressive force.
Clinical Biomechanics 16(1): 28-37, 2001.
144.
Callaghan, J.P. and McGill SM. Low back joint loading and kinematics during standing
and unsupported sitting. Ergonomics 44(3): 280-294, 2001.
145.
Gunning J.L., Callaghan, J.P., McGill S.M. Spinal posture and prior loading history
modulate compressive strength and type of failure in the spine: a biomechanical study
using a porcine cervical spine model. Clinical Biomechanics 16(6): 471-480, 2001.
1999 (3)
146. Yingling, V.R., Callaghan, J.P., and McGill, S.M. The porcine cervical spine as a model
of the human lumbar spine: An anatomical, geometrical and functional comparison.
Journal of Spinal Disorders 12(5): 415-423, 1999.
147.
Callaghan, J.P., Patla, A.E., and McGill, S.M. Low back three-dimensional joint forces,
kinematics, and kinetics during walking. Clinical Biomechanics 14(3): 203-216, 1999.
148.
McGill, S.M. and Callaghan, J.P. Impact forces following the unexpected removal of
chair while sitting. Accident Analysis & Prevention 31(1-2): 85-89, 1999.
Jack P. Callaghan
Page 15
1998 (1)
149. Callaghan, J.P., Gunning, J.L., and McGill, S.M. Choosing the most appropriate back
extensor exercise: Optimizing the relationship between low back load and muscular
activity. Physical Therapy 78(1): 8-18, 1998.
1997 (1)
150. Yingling, V.R., Callaghan, J.P., and McGill, S.M. Dynamic loading affects the
mechanical properties and failure site of porcine spines. Clinical Biomechanics 12(5):
301-305, 1997. Also reprinted in: Year book of Sports Medicine, Mosby Year Book,
1999.
1995 (2)
151. Callaghan, J.P. and McGill, S.M. Frozen storage increases the ultimate compressive
load of porcine vertebrae. Journal of Orthopaedic Research 13(5): 809-812, 1995.
152.
Callaghan, J.P. and McGill, S.M. Muscle activity and low back loads under external
shear and compressive loading. Spine 9: 992-998, 1995.
Jack P. Callaghan
Page 16
Technical Reports (Total = 21)
Industrial Contracts
1.
Callaghan, J.P. Evaluation and Design Progression of a Multi-axis Office Chair Seat
Pan Mechanism. Prepared for Core Chair Inc. 45 Pages. June 2012.
2.
Callaghan, J.P. Evaluation of in-vehicle mobile computing solutions. Prepared for
Ottawa Police Service. 18 Pages. December 2010.
3.
Callaghan, J.P., McKinnon, C.D., Dickerson, C.R. Assessment of Discomfort and
Characterization of Officer Activity in Police Fleet Vehicles. Prepared for York Regional
Police. 11 Pages. November 2009.
4.
Callaghan, J.P. Effectiveness of an automotive lumbar support in maintaining the
lumbar lordosis in sitting: A comparison of lumbar support prominence magnitudes on
lumbar spine and pelvic postures during simulated prolonged driving. Prepared for
Leggett & Platt Automotive Group. 46 Pages. August 2009.
5.
Callaghan, J.P. An Examination of the “Core Chair” Passive Movement Seat Pan: Pilot
Report. Prepared for #2171584 Ontario Inc., 24 Pages. July 2009.
6.
Callaghan, J.P. An Evaluation of the Impact of the eQuilibrium® Almond on the
Biomechanical and Comfort Responses During Prolonged Standing Work. Prepared for
DeltaBalance Inc. 55 Pages. November 2008.
7.
Callaghan, J.P. An Evaluation of the Impact of Accommodation Training on the
Biomechanical and Comfort Responses of Evolution ChairJ Users during Prolonged
Seated Office Work. Prepared for Posture Perfect Solutions Ltd. 22 Pages. July 2008.
8.
Callaghan, J.P. and Durkin J.L. The Effect of an Active Lumbar System on the Seating
Comfort of Officers in Police Fleet Vehicles. Prepared for Leggett & Platt Automotive
Group. 32 Pages. November 2006.
9.
Callaghan, J.P. An Examination of User Positioning on the Squig Seat Pan. Prepared for
KEILHAUER. 29 Pages. September 2006.
10.
Callaghan, J.P. The Impact of Thoracic Back Rest Design on Prolonged Seated Office
Work. Prepared for KEILHAUER. 25 Pages. July 2006.
11.
Callaghan, J.P. and Durkin J.L. Occupational demands, Seating Components and
Discomfort in the Windsor Police Cruisers. Prepared for Leggett & Platt Automotive
Group. 5 Pages. April 2006.
12.
Callaghan, J.P. Gender Based Influences on Seated Postural Responses. Prepared for
KEILHAUER. 22 Pages. November 2004.
Jack P. Callaghan
13.
Page 17
Callaghan, J.P. Lumbar Massage Car Seat Systems and Low Back Physiological
Responses. Prepared for Schukra of North America. 17 Pages. April 2004.
Academic Position Papers
14.
Parkinson, R.J. and Callaghan, J.P. Cumulative Loading: Implications and Background
for Low Back Pain Assessments. Prepared for CRE-MSD. 5 Pages. December 2007.
http://cre-msd.uwaterloo.ca/Attachment/CumulativeLoading.pdf
15.
Gregory, D.E. and Callaghan, J.P. The Use of Stability Balls in the Workplace in Place
of the Standard Office Chair. Prepared for CRE-MSD. 3 Pages. July 2007.
http://cre-msd.uwaterloo.ca/kn_stability.html
Non-Refereed Journal Papers
16.
Pal, P., Milosavljevic, S., Carman, A., Gregory, D., Callaghan, J.P. Wool harvesting in
New Zealand and Australia – a review of injury risk. Physiotherapy (Supplement) S775.
2007.
17.
Milosavljevic, S., Gregory, D., Callaghan, J.P. Quantifying low back cumulative load in
shearers. New Zealand Journal of Physiotherapy. 34(2): 116. 2006.
Professional Service & Knowledge Transfer Papers
18.
Institute WH atwork – News from the CREs Issue 10, Spring 2012. CRE-MSD studies
find no benefit to using stability balls in the office.
19.
Ontario Police Health and Safety Committee, Advisory #3: Musculoskeletal Disorders
Prevention in Police Services. 2 Pages, February 25, 2011. In collaboration with the
Ontario Ministry of Labour, Section 21.
20.
Wells, R.W., Kramer, D., Callaghan, J.P. Prevention of MSDs due to Manual Materials
Handling. 20 pages. June 27, 2011. Report prepared as a summary of an international
discussion forum hosted by CRE-MSD.
21.
Institute WH atwork – News from the CREs Issue 6, Spring 2010. CRE-MSD research
aims to reduce MSDs for police officers.
Jack P. Callaghan
Page 18
Refereed Conference Proceedings (Total = 195)
1.
Karakolis, T., Howarth, S.J., Callaghan, J.P. Demonstrating a validation and sensitivity
analyses for a finite element model of a porcine cervical functional spinal unit during
simulated shear loading. Proceedings of the Seventeenth Biennial Conference and
Symposia of the Canadian Society for Biomechanics. Burnaby, BC. Simon Fraser
University: 2012.
2.
Noguchi, M., Gooyers, C., Holmes, M., Callaghan, J.P. The impact of compressive
load magnitude on the in-vitro neutral zone range and passive stiffness during a flexionextension range of motion test. Proceedings of the Seventeenth Biennial Conference and
Symposia of the Canadian Society for Biomechanics. Burnaby, BC. Simon Fraser
University: 2012.
3.
Frank, N., Callaghan, J.P., Prentice, S. Kinematic Adaptations during Prolonged
Running in Minimal Footwear. Proceedings of the Seventeenth Biennial Conference and
Symposia of the Canadian Society for Biomechanics. Burnaby, BC. Simon Fraser
University: 2012.
4.
Glinka, M.N., Karakolis, T., Callaghan, J.P., Laing, A. Safety flooring to reduce the risk
of fall-related injuries - characterizing footfall deflections vs energy absorption during
simulated impacts. Proceedings of the Seventeenth Biennial Conference and Symposia of
the Canadian Society for Biomechanics. Burnaby, BC. Simon Fraser University: 2012.
5.
De Carvalho, D., Grondin, D., Callaghan, J.P. Assessment of pelvic, lumbar, and
thoracic office chair design features on radiographic angles of lumbar lordosis and sacral
tilt. Proceedings of the Seventeenth Biennial Conference and Symposia of the Canadian
Society for Biomechanics. Burnaby, BC. Simon Fraser University: 2012.
6.
Gallagher, K., Callaghan, J.P. Lumbopelvic kinematics and trunk muscle thickness
during prolonged standing on a sloped surface. Proceedings of the Seventeenth Biennial
Conference and Symposia of the Canadian Society for Biomechanics. Burnaby, BC.
Simon Fraser University: 2012.
7.
Frost, D., Gooyers, C., Campbell, T., McGill, S.M., Callaghan, J.P. Does the elimination
of thigh markers influence the between-day variation in joint angles? Proceedings of the
Seventeenth Biennial Conference and Symposia of the Canadian Society for
Biomechanics. Burnaby, BC. Simon Fraser University: 2012.
8.
Howarth, S.J., Callaghan, J.P. Vertebral shear failure tolerance is modulated by
compressive force and posture. Proceedings of the Seventeenth Biennial Conference and
Symposia of the Canadian Society for Biomechanics. Burnaby, BC. Simon Fraser
University: 2012.
Jack P. Callaghan
Page 19
9.
Frost, D., Gooyers, C., Campbell, T., McGill, S.M., Callaghan, J.P. Might the
interpretation of between-day changes in joint angles, forces and moments be influenced
by variation in the link segment model? Proceedings of the Seventeenth Biennial
Conference and Symposia of the Canadian Society for Biomechanics. Burnaby, BC.
Simon Fraser University: 2012.
10.
Calder, K., Arora, N., Acker, S., Callaghan, J.P., Adachi, R., Maly, M. Cumulative knee
adductor load and clinical measures in knee osteoarthritis. Proceedings of the
Seventeenth Biennial Conference and Symposia of the Canadian Society for
Biomechanics. Burnaby, BC. Simon Fraser University: 2012.
11.
Gruevski, K.M., McKinnon C.D., Dickerson C.R, Callaghan, J.P. An evaluation of
prolonged simulated driving combined with in-vehicle police work. Proceedings of the
Seventeenth Biennial Conference and Symposia of the Canadian Society for
Biomechanics. Burnaby, BC. Simon Fraser University: 2012.
12.
Gooyers, C.E., Howarth, S.J., Frost, D.M., Beach, T.A.C., Callaghan, J.P.
Considerations when using a residual analysis to determine the optimum cutoff frequency
for kinetic waveforms. Proceedings of the Seventeenth Biennial Conference and
Symposia of the Canadian Society for Biomechanics. Burnaby, BC. Simon Fraser
University: 2012.
13.
Beach, T.A.C., Frost, D.M., McGill, S.M., Callaghan, J.P. Lumbar compression and
shear loading during simulated fireground operations. Proceedings of the Seventeenth
Biennial Conference and Symposia of the Canadian Society for Biomechanics. Burnaby,
BC. Simon Fraser University: 2012.
14.
Joseph C., Callaghan J.P., Albert W.J., Dickerson C.R., 2012, Substantial inter-subject
biomechanical variability exists when performing manufacturing work tasks. 43rd Annual
Conference of the Association of Canadian Ergonomists. Halifax, NS: 2012.
15.
Nelson-Wong, E., Alex, B., Csepe, D., Lancaster, D., Callaghan, J.P. Recruitment of
musculature during the extension phase of forward flexion is altered in people who
develop low back pain during prolonged standing. Thirty-Fifth Annual Meeting of the
American Society of Biomechanics. Long Beach, California, University of Southern
California: 2011.
16.
De Carvalho, D.E., Callaghan, J.P. Influence of self selected lumbar support on body
posture and subjective comfort during prolonged driving. Thirty-Fifth Annual Meeting of
the American Society of Biomechanics. Long Beach, California, University of Southern
California: 2011.
17.
Howarth, S.J., Karakolis, T., Callaghan, J.P. A finite element analysis of the moment
arm hypothesis for modulating ultimate vertebral shear failure tolerance. Thirty-Fifth
Annual Meeting of the American Society of Biomechanics. Long Beach, California,
University of Southern California: 2011.
Jack P. Callaghan
Page 20
18.
Karakolis, T., Callaghan, J.P. Localized strain measurements of the intervertebral disc
during biaxial tensile testing. Thirty-Fifth Annual Meeting of the American Society of
Biomechanics. Long Beach, California, University of Southern California: 2011.
19.
Gooyers, C.E., McMillan, R., Howarth, S.J., Eger, T.R., Callaghan, J.P. The impact of
posture on the transmission of vibration in the spine. Thirty-Fifth Annual Meeting of the
American Society of Biomechanics. Long Beach, California, University of Southern
California: 2011.
20.
MacLean, K.F.E., Maly, M.R., Callaghan, J.P. Comparing knee joint kinematics,
kinetics and cumulative load between healthy-weight and obese young adults. ThirtyFifth Annual Meeting of the American Society of Biomechanics. Long Beach, California,
University of Southern California: 2011.
21.
Gallagher, K.M., Nelson-Wong, E., Callaghan, J.P. Does the development of transient
low back pain affect postural changes during prolonged standing?. Thirty-Fifth Annual
Meeting of the American Society of Biomechanics. Long Beach, California, University
of Southern California: 2011.
22.
Gregory, D.E. and Callaghan, J.P. What factors influence a disc’s susceptibility to
herniation? An examination using a porcine model. Spine Research Symposium: New
Horizons in Intervertebral Disc Research, Philadelphia Spine Research Society (PSRS).
Philadelphia, PA: Nov 16-18, 2011.
23.
Csepe, D., Alex, B., Lancaster, D., Callaghan, J.P., Nelson-Wong, E. Differences and
response to exercise in extensor muscle sequencing during return to stand from lumbar
flexion in subjects that develop low back pain during standing. APTA Combined
Sections Meeting in Chicago, IL. 2012.
24.
Sorensen, C.J., Johnson, M.B., George, S.Z., Callaghan, J.P., Van Dillen, L.R. Validity
of a model for low back pain symptom development during prolonged standing. APTA
Combined Sections Meeting in Chicago, IL. 2012.
25.
Sorensen, C.J., Johnson, M.B., George, S.Z., Callaghan, J.P., Van Dillen, L.R. The
relationship of psychological factors to low back pain symptom development during
prolonged standing in back-healthy people: A preliminary study. APTA Combined
Sections Meeting in Chicago, IL. 2012.
26.
Gruevski, K., Callaghan J.P. The effect of mobile data terminal use on posture and low
back discomfort during prolonged sitting in police officers. 42nd Annual Conference of
the Association of Canadian Ergonomists. London: 2011.
27.
Howarth, S.J., Callaghan J.P. Quantifying vertebral shear fatigue life: effect of load
magnitude. 42nd Annual Conference of the Association of Canadian Ergonomists.
London: 2011.
Jack P. Callaghan
Page 21
28.
McKinnon, C., Dickerson, C., Callaghan J.P. Evaluation of the effect of police duty belt
equipment configuration on lumbar posture and discomfort. 42nd Annual Conference of
the Association of Canadian Ergonomists. London: 2011.
29.
Frank, N., Gallagher, K., Callaghan J.P. Standing with inverted and everted foot
postures: implications for low back pain prevention. 42nd Annual Conference of the
Association of Canadian Ergonomists. London: 2011.
30.
De Carvalho, D.E., Callaghan J.P. Automobile lumbar support: balancing postural and
comfort responses in the low back. 42nd Annual Conference of the Association of
Canadian Ergonomists. London: 2011.
31.
Gallagher, K.M., VandenBussche, J., Callaghan J.P. Gait adaptations to changes in
angle of descent on a staircase. 42nd Annual Conference of the Association of Canadian
Ergonomists. London: 2011.
32.
Gooyers, C., Callaghan J.P. The impact of posture and prolonged vibration exposure on
vertebral joint height loss – an in vitro study. 42nd Annual Conference of the Association
of Canadian Ergonomists. London: 2011.
33.
VandenBussche, J., Gallagher, K.M., Parkinson, R.J., Young, J., Callaghan, J.P. Foot
placement in oblique stair descent. 55th Annual Meeting of the Human Factors and
Ergonomics Society. Las Vegas, Nevada: 2011.
34.
Choudry, M., Pillar, M., Beach, T.A.C., Kulic, D., Callaghan, J.P. Detecting changes in
human motion using stochastic distance measures. 33rd Annual International Conference
of the IEEE Engineering in Medicine and Biology Society. Boston: 2011.
35.
Callaghan, J.P., Polgar, J.M., Howarth, S.J., Dickerson, C., Boyd, A. Reducing muscular
effort of manual wheelchair propulsion: Evidence to support the benefits of a geared
wheel. 26th International Seating Symposium. Vancouver, BC. University of British
Columbia: 2010.
36.
Howarth, S.J. and Callaghan, J.P. Modulation of facet interaction and failure tolerances
of the vertebral joint exposed to axial rotation and anterior shear. 6th World Congress on
Biomechanics. Singapore: 2010. -Invited talk.
37.
Keir, P., Holmes, M., Howarth, S., and Callaghan, J.P. Material properties of the
transverse carpal ligament. Implications for carpal tunnel syndrome. 6th World Congress
of Biomechanics. Singapore: 2010.
38.
Nelson-Wong, E., Howarth, S.J., Callaghan, J.P. Acute biomechanical responses to a
prolonged standing exposure: implications for job rotation design. Thirty-Fourth Annual
Meeting of the American Society of Biomechanics. Providence, Rhode Island, Brown
University: 2010.
Jack P. Callaghan
Page 22
39.
McKinnon C.D., Dickerson C.R., Callaghan J.P. Field quantification of discomfort and
in-vehicle activities of police cruiser operators. 41st Annual Conference of the
Association of Canadian Ergonomists. Kelowna: 2010.
40.
Karakolis, T., Gregory, D.E., Callaghan, J.P. Localized strain measurements of the
intervertebral disc annulus. Proceedings of the Sixteenth Biennial Conference and
Symposia of the Canadian Society for Biomechanics. Kingston, ON. Queen’s University:
2010.
41.
Howarth, S.J. and Callaghan, J.P. Predicting vertebral shear failure tolerances from
morphology and bone density. Proceedings of the Sixteenth Biennial Conference and
Symposia of the Canadian Society for Biomechanics. Kingston, ON. Queen’s University:
2010.
42.
Nelson-Wong, E. and Callaghan, J.P. Repeatability of motor control patterns during
prolonged standing in people with and without standing-induced low back pain.
Proceedings of the Sixteenth Biennial Conference and Symposia of the Canadian Society
for Biomechanics. Kingston, ON. Queen’s University: 2010.
43.
Holmes, M.W., Howarth, S.J., Callaghan, J.P., Keir, P.J. Transverse carpal ligament
stiffness and carpal bone kinematics during indentation testing. Proceedings of the
Sixteenth Biennial Conference and Symposia of the Canadian Society for Biomechanics.
Kingston, ON. Queen’s University: 2010.
44.
Gooyers, C.E. and Callaghan, J.P. The inclusion of a 30 Hz hp filter as a universal EMG
data processing component. Proceedings of the Sixteenth Biennial Conference and
Symposia of the Canadian Society for Biomechanics. Kingston, ON. Queen’s University:
2010.
45.
De Carvalho, D.E. and Callaghan, J.P. Using accelerometers for the measurement of
lumbar spine and pelvic angles. Proceedings of the Sixteenth Biennial Conference and
Symposia of the Canadian Society for Biomechanics. Kingston, ON. Queen’s University:
2010.
46.
Gallagher, K.M., Fischer, S.L., Howarth, S.J., Albert, W.J., Callaghan, J.P. On the use
of a scaling factor to estimate cumulative spinal loading. Proceedings of the Sixteenth
Biennial Conference and Symposia of the Canadian Society for Biomechanics. Kingston,
ON. Queen’s University: 2010.
47.
Nelson-Wong, E. and Callaghan, J.P. The impact of a sloped surface on low back pain
and muscle activation patterns during standing work. Proceedings of the Sixteenth
Biennial Conference and Symposia of the Canadian Society for Biomechanics. Kingston,
ON. Queen’s University: 2010.
Jack P. Callaghan
Page 23
48.
Fielder, K., Andrews, D., Weir, P., Callaghan, J.P. Posture category salience positively
affects analyst decision time and error rate. Proceedings of the Sixteenth Biennial
Conference and Symposia of the Canadian Society for Biomechanics. Kingston, ON.
Queen’s University: 2010.
49.
Everson, D., Rae, M., Kuruganti, U., Callaghan, J.P., Albert, W.J. Biomechanical and
ergonomic assessment of urban transit operators. Proceedings of the Sixteenth Biennial
Conference and Symposia of the Canadian Society for Biomechanics. Kingston, ON.
Queen’s University: 2010.
50.
Gooyers, C.E., Beach, T.A.C., Frost, D., Callaghan, J.P. The impact of mini-bands on
frontal plane knee kinematics during squat training. Proceedings of the Sixteenth Biennial
Conference and Symposia of the Canadian Society for Biomechanics. Kingston, ON.
Queen’s University: 2010.
51.
Frost, D., Beach, T., Callaghan, J.P., McGill, S.M. Should a movement screen be used
to guide exercise prescription? Proceedings of the Sixteenth Biennial Conference and
Symposia of the Canadian Society for Biomechanics. Kingston, ON. Queen’s University:
2010.
52.
Nelson-Wong and Callaghan, J.P. Changes in muscle activation patterns and subjective
low back pain ratings during standing in response to an exercise intervention. APTA
Combined Sections Meeting in San Diego, CA. 2010.
53.
Gregory, D.E. and Callaghan, J.P. Does vibration influence the initiation of
intervertebral disc herniation? An in-vitro analysis to determine a causal relationship.
Annual Meeting of the The International Society for the Study of the Lumbar Spine.
Auckland, NZ: 2010.
54.
Hassan, J.A., Milosavljevic, S., Carman, A., Howarth, S.J., Callaghan, J.P. Effect of
knee bending on the compression and shear forces during the standard and modified
islamic bowing posture. Annual Meeting of the The International Society for the Study of
the Lumbar Spine. Auckland, NZ: 2010. Submitted
55.
McKinnon C.D., Dickerson C.R., Callaghan J.P. Assessment of discomfort and
characterization of officer activity in police fleet vehicles. Canadian Association for
Research on Work and Health (CARWH), Toronto, ON: 2010.
56.
Frost D.M., Beach T.A.C., Callaghan J.P., McGill S.M. Movement screening for
performance: What information do we need to guide exercise progression? In
Proceedings of the National Conference of the National Strength and Conditioning
Association. Orlando, Florida, USA: 2010.
Jack P. Callaghan
Page 24
57.
Gregory, D.E., Callaghan, J.P. The effect of prolonged vibration exposure on the tensile
mechanical properties of single layers of the annulus fibrosus. Thirty-Third Annual
Meeting of the American Society of Biomechanics. State College, Pennsylvania, Penn
State University: 2009.
58.
Nelson-Wong, E. and Callaghan, J.P. Is muscle co-activation a predisposing factor for
low back pain development during standing? Thirty-Third Annual Meeting of the
American Society of Biomechanics. State College, Pennsylvania, Penn State University:
2009.
59.
Gallagher, K.M., Howarth, S.J., Callaghan, J.P. The effects of anterior shear
displacement rate on the viscoelastic properties of the porcine cervical spine. ThirtyThird Annual Meeting of the American Society of Biomechanics. State College,
Pennsylvania, Penn State University: 2009.
60.
Howarth, S.J., Gallagher, K.M., Callaghan, J.P. Changes in posture do not affect the
functional range of motion for the porcine cervical spine under shear loading. ThirtyThird Annual Meeting of the American Society of Biomechanics. State College,
Pennsylvania, Penn State University: 2009.
61.
Nairn, B.C., Parkinson, R.J., Callaghan, J.P., Drake, J.D.M. Comparing load and posture
on industrial based lifting tasks: effects of gender, spinal load magnitude and postural
asymmetry. Thirty-Third Annual Meeting of the American Society of Biomechanics.
State College, Pennsylvania, Penn State University: 2009.
62.
Howarth, S.J., Polgar, J.M., Dickerson, C.R., Callaghan, J.P. Use of a geared wheelchair
wheel for facilitating manual ramp ascent: Effects on trunk muscular demand. ThirtyThird Annual Meeting of the American Society of Biomechanics. State College,
Pennsylvania, Penn State University: 2009.
63.
Beach, T.A.C., Clark, J.M., Maly, M.R., Callaghan, J.P. Does a unilateral restriction in
ankle mobility affect trunk kinematics and low-back loading during manual lifting tasks?
Thirty-Third Annual Meeting of the American Society of Biomechanics. State College,
Pennsylvania, Penn State University: 2009.
64.
Frost D.M., Beach T.A.C., Fenwick C.M., Callaghan J.P., McGill, S.M. Is there a low
back cost to hip-centric exercise? Examining the L4/L5 joint compression during
movements prescribed to overload the hips. Thirty-Third Annual Meeting of the
American Society of Biomechanics. State College, Pennsylvania, Penn State University:
2009.
65.
Holmes, M.W., Howarth, S.J., Callaghan, J.P., Keir, P.J. Influence of indenter size and
wrist posture on transverse carpal ligament stiffness. Thirty-Third Annual Meeting of the
American Society of Biomechanics. State College, Pennsylvania, Penn State University:
2009.
Jack P. Callaghan
Page 25
66.
Jackson, J.J., Gregory, D.E., Bannerjee, P., Callaghan, J.P. The efficacy of stability ball
accommodation training on trunk posture, muscle activation levels and discomfort ratings
during seated office work. Thirty-Third Annual Meeting of the American Society of
Biomechanics. State College, Pennsylvania, Penn State University: 2009.
67.
De Carvalho, D.E. and Callaghan, J.P. Influence of automobile seat lumbar support
prominence on spine and pelvis postures: A radiological investigation. Thirty Third
Annual Meeting of the American Society of Biomechanics. State College, Pennsylvania,
Penn State University: 2009.
68.
Donnelly, C.J., Callaghan, J.P., Durkin, J.L. The influence of body mass and gender on
posture, lumbar kinematics and discomfort during prolonged driving. Seventh
Australasian Biomechanics Conference. Queensland, Australia: 2009.
69.
Pal, P., Milosavljevic, S., Gregory, D.E., Carman, A.B., Callaghan, J.P. The influence of
skill and low back pain on trunk postures and low back loads of shearers. New Zealand
Manipulative Physiotherapists Association. Rotorua, New Zealand: 2009.
70.
Donnelly, C.J., Callaghan, J.P., Durkin, J.L. The influence of body mass and gender on
pressure distribution and discomfort during prolonged driving. XXII International Society
of Biomechanics Congress. Cape Town, South Africa: 2009.
71.
McKinnon C.D., Callaghan J.P., Dickerson C.R. The evaluation of mobile data terminal
location during a simulated police patrol task set. 40th Annual Meeting of the Association
of Canadian Ergonomists (ACE), Quebec City, QC: 2009.
72.
Wong, A., Mishra, A., Yates, J., Fieguth, F., Clausi, D.A., Callaghan, J.P., JanabiSharifi, F., Wang, D. Intervertebral disc segmentation and volumetric reconstruction from
peripheral quantitative computed tomography imaging. 31st Annual International
Conference of the IEEE Engineering in Medicine and Biology Society. Minneapolis:
2009.
73.
Rahimi, F., Callaghan, J.P., Janabi-Sharifi, F., Wang, D. EMG-biofeedback and load
sharing problem in assistive and rehabilitation orthotic devices. 31st Annual International
Conference of the IEEE Engineering in Medicine and Biology Society. Minneapolis:
2009.
74.
Van Driel, R., Teschke, K., Koehoorn, M., Johnson, P.W., Callaghan, J.P. A comparison
of trunk posture measurements: A motion capture system and a new data-logging
inclinometer. Proceedings of the Sixth International Conference on Innovations in
Exposure Assessment (X2009). Boston, MA. 2009.
75.
De Carvalho, D.E., Soave, D., Callaghan, J.P. Radiological measures of lumbar spine
and pelvis postures in an automobile seat. Proceedings of the 10th Biennial Congress of
the World Federation of Chiropractic. Montreal, Quebec. 2009.
Jack P. Callaghan
Page 26
76.
Van Driel, R., Teschke, K., Koehoorn, M., Johnson, P.W., Callaghan, J.P. A comparison
of trunk posture measurements: A motion capture system and a new data-logging
inclinometer. Proceedings of the 17th Congress of the International Ergonomics
Association. Beijing, China. 2009.
77.
Callaghan, J.P., Durkin, J.L., Gregory, D.E., Nelson-Wong, E. Can low level EMG be
used to predict subjective discomfort scores? Proceedings of the XVIIth Congress of the
International Society of Electrophysiology and Kinesiology. Niagara Falls, Ontario:
2008.-Invited talk.
78.
Nelson-Wong, E. and Callaghan, J.P. Active hip abduction: a proposed screening test
for identification of low back pain developers. APTA Combined Sections Meeting in Las
Vegas, NV. 2009.
79.
Nelson-Wong, E., Howarth, S., Winter, D.A., and Callaghan, J.P. Application of auto
and cross correlation analyses for the rehabilitation and movement scientist. APTA
Combined Sections Meeting in Las Vegas, NV. 2009.
80.
Wong, A., Mishra, A., Fieguth, P., Clausi, D., Dunk, N.M., Callaghan, J.P.
Shape-guided active contour based segmentation and tracking of lumbar vertebrae in
video fluoroscopy using complex wavelets. 30th Annual International Conference of the
IEEE Engineering in Medicine and Biology Society. Vancouver: 2008.
81.
Milosavljevic, S., Carman, A.B., Pal, P., Bergman, F., Gregory, D.E., Laughton, C.,
Rehn, B., Callaghan, J.P. Identifying and managing risk of low back pain in a rural
workforce. 9th International Congress of the International Federation of Orthopaedic
Manipulative Therapists. Rotterdam, Neatherlands: 2008.
82.
Seaman, F., Albert, W., and Callaghan, J.P. Job rotation to reduce shoulder loads during
light automotive assembly. 39th Annual Conference of the Association of Canadian
Ergonomists. Gatineau: 2008.
83.
Kershaw, K., Albert, W., and Callaghan, J.P. Cumulative neck loading and postures
experienced by Canadian forces helicopter pilots during simulated day and night flights.
39th Annual Conference of the Association of Canadian Ergonomists. Gatineau: 2008.
- Winner of the ACE J.M Christensen Award for Masters Level Papers
84.
Pronovost, L., Howarth, S., Dickerson, C., Miller-Polgar, J. and Callaghan, J.P. Effects
of geared wheels on shoulder muscle activity during wheelchair ramp ascent and descent.
39th Annual Conference of the Association of Canadian Ergonomists. Gatineau: 2008.
85.
Howarth, S., Beach, T.A.C. and Callaghan, J.P. Application of a force weighting
method while calculating cumulative low back loading. 39th Annual Conference of the
Association of Canadian Ergonomists. Gatineau: 2008.
Jack P. Callaghan
Page 27
86.
McKinnon, C., Dickerson, C., and Callaghan, J.P. Quantifying physical exposures in
police cruiser operations. 39th Annual Conference of the Association of Canadian
Ergonomists. Gatineau: 2008.
87.
Drake, J.D.M. and Callaghan, J.P. Intervertebral neural foramina deformation due to
two types of repetitive combined loading. Proceedings of the 4th North American
Congress on Biomechanics. Ann Arbor, Michigan: University of Michigan: 2008.
88.
Parkinson, R.J. and Callaghan, J.P. The use of artificial neural networks as a data
reduction approach in determining cumulative exposures. Proceedings of the 4th North
American Congress on Biomechanics. Ann Arbor, Michigan: University of Michigan:
2008.
89.
Gregory, D.E. and Callaghan, J.P. Comparing uniaxial and biaxial strain responses of
the porcine annulus fibrosus. Proceedings of the 4th North American Congress on
Biomechanics. Ann Arbor, Michigan: University of Michigan: 2008.
90.
Beach, T.A.C., McDonald, K.A., Coke, S.K., and Callaghan, J.P. Gender responses to
sitting in automobile and office seats: Influence of hip and hamstring flexibility on seated
postures. Proceedings of the 4th North American Congress on Biomechanics. Ann Arbor,
Michigan: University of Michigan: 2008.
91.
Howarth, S.J. and Callaghan, J.P. A unifying approach to determine the number of
padding points when digitally filtering kinematic data. Proceedings of the 4th North
American Congress on Biomechanics. Ann Arbor, Michigan: University of Michigan:
2008.
92.
Eger, T., Godwin, A., Grenier, S., and Callaghan, J.P. Line of sight and driving posture
evaluation: what an operator cannot see influences driving posture. Proceedings of the 4th
North American Congress on Biomechanics. Ann Arbor, Michigan: University of
Michigan: 2008.
93.
Nelson-Wong, E., Gregory, D.E., Winter, D.A., and Callaghan, J.P. Gender differences
in postural control strategies during prolonged standing. Proceedings of the 4th North
American Congress on Biomechanics. Ann Arbor, Michigan: University of Michigan:
2008.
94.
Jackson, J.A., O'Brien, N., Dempsey, P., and Callaghan, J.P. A comparison of the
repeatability of submaximal and maximal methods commonly employed for
normalization of the erector spinae muscles in the thoracic and lumbar region.
Proceedings of the 4th North American Congress on Biomechanics. Ann Arbor,
Michigan: University of Michigan: 2008.
95.
De Carvalho, D.E. and Callaghan, J.P. Gender and passive tissue responses to
prolonged sitting in an automobile seat. Proceedings of the 4th North American Congress
on Biomechanics. Ann Arbor, Michigan: University of Michigan: 2008.
Jack P. Callaghan
Page 28
96.
Dunk, N.M. and Callaghan, J.P. Lumbar spine movement and pain during prolonged
seated work. Proceedings of the 4th North American Congress on Biomechanics. Ann
Arbor, Michigan: University of Michigan: 2008.
97.
Fischer, S., Albert, W., and Callaghan, J.P. Modeling time varying moment profiles
determined from automotive assembly workers using a first order system response.
Proceedings of the 4th North American Congress on Biomechanics. Ann Arbor,
Michigan: University of Michigan: 2008.
98.
Robbins, S., Jones, G., Birmingham, T., Callaghan, J.P., Maly, M. Developing a
cumulative loading measure for the knee: Examining test-retest reliability. Proceedings of
the 4th North American Congress on Biomechanics. Ann Arbor, Michigan: University of
Michigan: 2008.
99.
Nelson-Wong, E, Gregory, D.E., Winter, D.A., Callaghan, J.P. Muscle co-activation as
a predictor for development of low back discomfort during prolonged standing. APTA
Combined Sections Meeting in Nashville, TN. 2008.
100.
van Wyk, P.M., Weir, P.L., Andrews, D.M, Fiedler, K., and Callaghan, J.P.
Determining the optimal bin size for a video-based posture assessment method. 2nd
International Conference on Applied Ergonomics, Las Vegas, NV. 14-17 July 2008.
101.
Seaman, F.A., Albert, W.J., Weldon, N.R.E., Croll, J., Callaghan, J.P. Documentation of
shoulder loads in automotive assembly. 2nd International Conference on Applied
Ergonomics, Las Vegas, NV. 14-17 July 2008.
102.
Parkinson, R., Callaghan, J.P. Can height loss across a functional spinal unit modified
by static rest breaks mitigate cumulative compression induced injury? Thirty-First
Annual Meeting of the American Society of Biomechanics. Palo Alto, Stanford
University: 2007.
103.
Gregory, D.E., Howarth, S.J., Narula, S., Callaghan, J.P. The effect of cardiovascular
fatigue on trunk muscle activation and spine postures during fire fighting tasks. ThirtyFirst Annual Meeting of the American Society of Biomechanics. Palo Alto, Stanford
University: 2007.
104.
Dunk, N.M., Kedgley, A.E., Jenkyn, T., Callaghan, J.P. Sagittal lumbar intervertebral
angles in seated postures using fluoroscopy. Thirty-First Annual Meeting of the
American Society of Biomechanics. Palo Alto, Stanford University: 2007.
105.
Nelson-Wong, E., Gregory, D.E., Winter, D.A., Callaghan, J.P. Postural control
strategies during prolonged standing: is there a relationship with low back discomfort?.
Thirty-First Annual Meeting of the American Society of Biomechanics. Palo Alto,
Stanford University: 2007.
Jack P. Callaghan
Page 29
106.
Beach, T.A.C., Howarth, S.J., Callaghan, J.P. Trunk muscle activation and low-back
loading during the performance of standard and suspended push-up exercises. ThirtyFirst Annual Meeting of the American Society of Biomechanics. Palo Alto, Stanford
University: 2007.
107.
Howarth, S.J., Beach, T.A.C., Callaghan, J.P. Muscular contributions to vertebral joint
rotational stiffness during the standard pushup. Thirty-First Annual Meeting of the
American Society of Biomechanics. Palo Alto, Stanford University: 2007.
108.
De Carvalho, D.E., Dunk, N.M., Callaghan, J.P. Gender Differences in Spinal Posture
and User Positioning on a Prototype Seat Pan. Thirty-First Annual Meeting of the
American Society of Biomechanics. Palo Alto, Stanford University: 2007.
109.
Drake, J.D.M., Callaghan, J.P. Acute torsional failure: what is the spine's physiological
limit? Thirty-First Annual Meeting of the American Society of Biomechanics. Palo Alto,
Stanford University: 2007.
110.
Milosavljevic, S., Pal, P., Gregory, D.E., Carman, A.B., Bell, M., Callaghan, J.P., The
influence of personal factors, skill and productivity in an occupation at risk of LBP. New
Zealand Manipulative Physiotherapists Association Scientific Conference: Rotorua, New
Zealand: 2007.
111.
Davis, K.G., Kotowski, S.E., Callaghan, J.P., Parkinson, R. Use of Acceleration to
Identify Endplate Factures. In the Proceedings of the International Society of
Biomechanics, Taipei, Taiwan: International Society of Biomechanics. Promising Young
Scientist Award Plenary Session: 2007.
112.
Kotowski, S.E., Parkinson, R., Davis, K.G., Callaghan, J.P., Taking an Acceleration
Approach to Identifying Vertebral Endplate Failures. In the Proceedings of the Human
Factors and Ergonomics Society 51st Annual Meeting. Baltimore: The Human Factors
and Ergonomics Society: 2007.
113.
Arnold, T.A., Weir, P.L., Andrews, D.M., and Callaghan, J.P. Posture Bin
Misclassification Errors Can Affect the Calculation of Peak and Cumulative Low Back
Loads. 38th Annual Conference of the Association of Canadian Ergonomists. Toronto:
2007.
114.
Cann, A.P., Vandervoort, A.A., Salmoni, A., and Callaghan, J.P. Cumulative and peak
loading of the lumbar spine and shoulder. 38th Annual Conference of the Association of
Canadian Ergonomists. Toronto: 2007.
115.
Pearson, A.J., Howarth, S.J., Beach, T.A.C., Callaghan, J.P. Does Prolonged Sitting
Alter Low-back Mechanics During Manual Lifting and Lowering? 38th Annual
Conference of the Association of Canadian Ergonomists. Toronto: 2007.
Jack P. Callaghan
Page 30
116.
Parkinson, R., Callaghan, J.P. A functional tissue injury model for cumulative exposure
assessments. 38th Annual Conference of the Association of Canadian Ergonomists.
Toronto: 2007.
117.
De Carvalho, D.E., Dunk, N.M., Callaghan, J.P. Gender Differences in Spinal Posture
and User Positioning on a Prototype Seat Pan. 38th Annual Conference of the Association
of Canadian Ergonomists. Toronto: 2007.
118.
Tampier, C., Drake, J.D.M., Callaghan, J.P., McGill, S.M. Modelo animal de
mecanismo de produccion de hernias discales autores. IV Jornadas Chileno Argentinas de
Ortopedia y Traumatologia. Otono, Chile: 2007
119.
Milosavljevic, S., Gregory, D.E. and Callaghan, J.P. Quantifying low back cumulative
load in shearers. 13th Conference of the New Zealand Ergonomics Society. Christchurch,
New Zealand: 2006.
120.
Gregory, D.E., Milosavljevic, S. and Callaghan, J.P. Examining the effect of a trunk
harness on New Zealand Sheep Shearers. New Zealand Society of Physiotherapists.
Auckland, New Zealand: 2006.
121.
Weir, P.L., Andrews, D.M., van Wyk, P., and Callaghan, J.P. The influence of training
on decision times and errors associated with classifying trunk postures near bin
boundaries. 37th Annual Conference of the Association of Canadian Ergonomists. Banff:
2006.
122.
Holmes, A.M., Andrews, D.M., Weir, P.L., Arnold, T.A., and Callaghan, J.P. Decision
times and errors increase when classifying trunk postures near posture bin boundaries.
37th Annual Conference of the Association of Canadian Ergonomists. Banff: 2006.
123.
Hogan, K.H. and Callaghan, J.P. An investigation of industrially transferable data
collection techniques to quantify cumulative loading in repetitive tasks. 37th Annual
Conference of the Association of Canadian Ergonomists. Banff: 2006.
124.
Cann, A.P., Connelly, M., MacNeil, M., Ruuska, R., Vandervoort, A.A., and Callaghan,
J.P. Inter-rater reliability of the 3DMatch cumulative loading assessments of food service
workers. 37th Annual Conference of the Association of Canadian Ergonomists. Banff:
2006.
125.
Drake, J. and Callaghan, J.P. Do flexion/extension postures affect the passive lumbar
spine stiffness response to applied axial torque? 5th World Congress of Biomechanics.
Munich: 2006.
126.
Coke, S.K., Beach, T.A.C., Callaghan, J.P. Gender-based differences in seated postures,
pressure distributions and perceived discomfort in an automobile seat. Proceedings of the
Fourteenth Biennial Conference and Symposia of the Canadian Society for
Biomechanics. Waterloo: University of Waterloo: p52, 2006.
Jack P. Callaghan
Page 31
127.
Gregory, D.E., Sperling, S., Callaghan, J.P. Examining the development of low back
discomfort during a prolonged period of standing. Validating possible mechanisms.
Proceedings of the Fourteenth Biennial Conference and Symposia of the Canadian
Society for Biomechanics. Waterloo: University of Waterloo: p103, 2006.
128.
Jackson, J.A. and Callaghan, J.P. Spinal kinetics, kinematics and trunk muscle
activation profiles in cycling: a pilot study. Proceedings of the Fourteenth Biennial
Conference and Symposia of the Canadian Society for Biomechanics. Waterloo:
University of Waterloo: p137, 2006.
129.
Ste-Croix, C., Durkin, J.L., Fenwick, C., Miller-Polgar, J., and Callaghan, J.P. Effects
of age and gender on driving posture and reach envelopes. Proceedings of the Fourteenth
Biennial Conference and Symposia of the Canadian Society for Biomechanics. Waterloo:
University of Waterloo: p128, 2006.
130.
Drake, J. and Callaghan, J.P. Do changes in posture alter inter-facet spacing? An
investigation using MRI and porcine spinal units. Proceedings of the Fourteenth Biennial
Conference and Symposia of the Canadian Society for Biomechanics. Waterloo:
University of Waterloo: p48, 2006.
131.
Fenwick, C., Callaghan, J.P., and Durkin, J.L. The effects of temperature on the
electromyographic signal and muscle fatigue detection. Proceedings of the Fourteenth
Biennial Conference and Symposia of the Canadian Society for Biomechanics. Waterloo:
University of Waterloo: p134, 2006.
132.
Fischer, S.L., McClellan, A.J., Albert, W.J., Callaghan, J.P. Comparison of research
techniques to help improve understanding of cumulative loading as a risk factor in the
development of low back pain. Proceedings of the Fourteenth Biennial Conference and
Symposia of the Canadian Society for Biomechanics. Waterloo: University of Waterloo:
p105, 2006.
133.
Weldon, N., Fischer, S.L., Albert, W.J., Callaghan, J.P. Determining the optimal
sampling frequency to accurately quantify cumulative spinal loads among auto workers
using a posture sampling approach. Proceedings of the Fourteenth Biennial Conference
and Symposia of the Canadian Society for Biomechanics. Waterloo: University of
Waterloo: p131, 2006.
134.
McClellan, A.J., Albert, W.J., Fischer, S.L., Callaghan, J.P. A comparison of cumulative
shoulder loads during automotive assembly tasks for those who have pain and those who
do not. Proceedings of the Fourteenth Biennial Conference and Symposia of the
Canadian Society for Biomechanics. Waterloo: University of Waterloo: p10, 2006.
135.
McClellan, A.J., Albert, W.J., Fischer, S.L., Callaghan, J.P. Does increased time spent
in non-neutral shoulder postures cause shoulder pain? Proceedings of the Fourteenth
Biennial Conference and Symposia of the Canadian Society for Biomechanics. Waterloo:
University of Waterloo: p156, 2006.
Jack P. Callaghan
Page 32
136.
Andrews, D.M., Arnold, T.A., Weir, P.L., Callaghan, J.P. Errors associated with bin
boundaries in observation-based Posture assessment methods. Proceedings of the
Fourteenth Biennial Conference and Symposia of the Canadian Society for
Biomechanics. Waterloo: University of Waterloo: p159, 2006.
137.
Gregory, D.E., Callaghan, J.P. Examining the development of low back discomfort
during a prolonged period of standing. Proceedings of the Fourteenth Biennial
Conference and Symposia of the Canadian Society for Biomechanics. Waterloo:
University of Waterloo: p73, 2006.
138.
Beach, T.A.C., Coke, S.K., Callaghan, J.P. The impact of cognitive distractions and
physical task constraints on cumulative lumbar spine loads. Proceedings of the
Fourteenth Biennial Conference and Symposia of the Canadian Society for
Biomechanics. Waterloo: University of Waterloo: p142, 2006.
139.
Parkinson, R.J., Callaghan, J.P. Can an increase in rest period length alter the
cumulative load tolerance of the spine? Proceedings of the Fourteenth Biennial
Conference and Symposia of the Canadian Society for Biomechanics. Waterloo:
University of Waterloo: p36, 2006.
140.
Gregory, D.E., Brown, S.H.M., Callaghan, J.P. Trunk muscle responses to suddenly
applied loads before and after a prolonged period of standing. XVI Congress of the
International Society of Electromyography and Kinesiology: 2006.
141.
Parkinson, R.J. and Callaghan, J.P. The use of an animal model can improve results in
spinal fatigue testing. 24th Annual Meeting of the Canadian Biomaterials Society.
Waterloo, Ontario: 2005.
142.
Parkinson, R.J., Brown, S.H.M., Flynn, J., Noble, J., Powell, M.L., Callaghan, J.P. Is
unconstrained loading of spinal segments more physiologic? 24th Annual Meeting of the
Canadian Biomaterials Society. Waterloo, Ontario: 2005.
143.
Gregory, D.E. and Callaghan, J.P. Using a stability ball instead of a chair: examining
the pros and cons. The Canadian Physiotherapy Association - Orthopaedic Division 17th
Annual National Symposium. London, Ontario: 2005.
144.
Dunk, N.M. and Callaghan, J.P. Gender-based postural responses to seated exposures.
XX International Society of Biomechanics Congress. Cleveland, Ohio: 2005.
145.
Drake, J. and Callaghan, J.P. Elimination of ECG contamination from EMG signals: An
evaluation of currently used removal techniques. XX International Society of
Biomechanics Congress. Cleveland, Ohio: 2005.
146.
Parkinson, R.J. and Callaghan, J.P. Does load magnitude alter cumulative load
tolerance? “Weighting” for an answer. XX International Society of Biomechanics
Congress. Cleveland, Ohio: 2005.
Jack P. Callaghan
Page 33
147.
Drake, J., Fischer, S.L., Brown, S.H.M., and Callaghan, J.P. Do exercise balls provide a
training advantage for trunk extensor exercises? XX International Society of
Biomechanics Congress. Cleveland, Ohio: 2005.
148.
Sutherland, C.A., Albert, W.J., Callaghan, J.P. and Wrigley, A.T. The accuracy of using
postural assessment to determine cumulative exposure. XX International Society of
Biomechanics Congress. Cleveland, Ohio: 2005.
149.
Callaghan, J.P. Accuracy of ergonomics assessment approaches and injury prevention.
Proceedings of the Thirteenth Biennial Conference and Symposia of the Canadian
Society for Biomechanics. Halifax: Dalhousie University: 2004. -Invited talk.
150.
Weir, P.L., Andrews, D.M., Albert, W.J., Azar, N. and Callaghan, J.P. Determination of
the just noticeable difference (jnd) in trunk posture perception. 35th Annual Conference of
the Association of Canadian Ergonomists. Windsor: 2004.
151.
Sutherland, C.A., Wrigley, A.T., Albert, W.J. and Callaghan, J.P. The repeatability of
posture matching from various perspectives and the subsequent affect on derived
cumulative variables. 35th Annual Conference of the Association of Canadian
Ergonomists. Windsor: 2004.
152.
Azar, N., Andrews, D.M., Callaghan, J.P. Predicting cumulative l4/l5 spine loads and
moments incurred during non-occupational tasks using heart rate determined physical
activity. 35th Annual Conference of the Association of Canadian Ergonomists. Windsor:
2004.
153.
Godin, C.A., Andrews, D.M., Arnold, T.A., Callaghan, J.P. 3-dimensional peak and
cumulative shoulder loads during non-occupational tasks. 35th Annual Conference of the
Association of Canadian Ergonomists. Windsor: 2004.
154.
Gregory, D.E. Milosavljevic, S., Callaghan, J.P. A preliminary quantification of low
back cumulative load in elite and senior sheep shearers in New Zealand. 35th Annual
Conference of the Association of Canadian Ergonomists. Windsor: 2004.
155.
Hogan, K.L., Callaghan, J.P. An investigation of simplified/industrial transferable
methods to quantify cumulative loading in repetitive tasks. 35th Annual Conference of the
Association of Canadian Ergonomists. Windsor: 2004.
156.
Dunk, N.M., Brown, S.H.M., and Callaghan, J.P. Distribution of tissue loads supporting
the low back during the flexion relaxation phenomenon in sitting and standing postures.
Proceedings of the Thirteenth Biennial Conference and Symposia of the Canadian
Society for Biomechanics. Halifax: Dalhousie University: 2004.
Jack P. Callaghan
Page 34
157.
Parkinson, R.J., Durkin, J.L., Callaghan, J.P. Predicting the failure strength of porcine
cervical spinal units using bone mineral content and endplate area. Proceedings of the
Thirteenth Biennial Conference and Symposia of the Canadian Society for Biomechanics.
Halifax: Dalhousie University: 2004.
158.
Durkin, J. and Callaghan, J.P. Effects of minimum sampling rate and signal
reconstruction on surface electromyographic signals. Proceedings of the Thirteenth
Biennial Conference and Symposia of the Canadian Society for Biomechanics. Halifax:
Dalhousie University: 2004.
159.
Gregory, D.E. Dunk, N.M. Callaghan, J.P. The Comparison of muscle activation and
lumbar spine posture during prolonged sitting on a stability ball and in an office chair.
Proceedings of the Thirteenth Biennial Conference and Symposia of the Canadian
Society for Biomechanics. Halifax: Dalhousie University: 2004.
160.
Drake, J., Aultman, C., McGill, S.M., Callaghan, J.P. The role of torsion in
intervertebral joint failure mechanic. Proceedings of the Thirteenth Biennial Conference
and Symposia of the Canadian Society for Biomechanics. Halifax: Dalhousie University:
2004.
161.
Beach, T., Parkinson, R., Stothart, J.P., Callaghan, J.P. Passive lumbar flexion stiffness
is altered with exposure to prolonged sitting. Proceedings of the Thirteenth Biennial
Conference and Symposia of the Canadian Society for Biomechanics. Halifax: Dalhousie
University: 2004.
162.
Godin, C.A., Andrews, D.M., and Callaghan, J.P. 3D trunk postures and cumulative low
back loads during non-occupational tasks. Proceedings of the Thirteenth Biennial
Conference and Symposia of the Canadian Society for Biomechanics. Halifax: Dalhousie
University: 2004.
163.
Parkinson, R., Beach, T., Callaghan, J.P. Investigation of the lumbar spine passive tissue
response to repetitive lifting. Twenty-Seventh Annual Meeting of the American Society
of Biomechanics. Toledo: 2003.
164.
Jackson, J., Reed, B., Andrews, D.M., Albert, W.J. and Callaghan, J.P. Usability of
3DMatch - An evaluation of the inter- and intra-observer reliability of posture matching
to calculate cumulative low back loading. 34th Annual Conference of the Association of
Canadian Ergonomists. London: 2003.
165.
Callaghan, J.P., Jackson, J., Andrews, D.M., Albert, W.J. and Potvin, J.R. The design
and preliminary validation of 3DMatch: A posture matching tool for estimating three
dimensional cumulative loading on the low back. 34th Annual Conference of the
Association of Canadian Ergonomists. London: 2003.
Jack P. Callaghan
Page 35
166.
Beach, T., Mooney, S., Callaghan, J.P. Extensor muscle response to continuous passive
motion device during prolonged sitting. 34th Annual Conference of the Human Factors
Association of Canada. London: 2003.
167.
Azar, N., Andrews, D.M., and Callaghan, J.P. Accuracy of cumulative low back loads
estimated from self-reported duration and frequency information during non-occupational
activities. 34th Annual Conference of the Association of Canadian Ergonomists. London:
2003.
168.
Agnew, M., Andrews, D.M., Potvin, J.R., and Callaghan, J.P. Dynamic 2-d
measurements of cumulative spine loading using an electromagnetic tracking device.
34th Annual Conference of the Association of Canadian Ergonomists. London: 2003.
169.
Godin, C.A., Andrews, D.M., and Callaghan, J.P. Cumulative low back loads of
non-occupational tasks using "3D Match", a 3-dimensional video-based posture sampling
approach. 34th Annual Conference of the Association of Canadian Ergonomists. London:
2003.
170.
Dunk, N.M. and Callaghan, J.P. The reliability of quantifying upright standing postures
as a baseline diagnostic clinical tool XIX International Society of Biomechanics
Congress. Dunedin, New Zealand: 2003.
171.
Callaghan, J.P. Cumulative loading as an injury mechanism: Tissue considerations. IV
World Congress of Biomechanics. Calgary: 2002. -Invited talk.
172.
Dunk, N.M. and Callaghan, J.P. Erector spinae flexion relaxation during short duration
slumped sitting. IV World Congress of Biomechanics. Calgary: 2002.
173.
Keown, K.J., Andrews, D.M. and Callaghan, J.P. Predicting cumulative low back
loading during repetitive lifting: determining the number of trials needed to represent
workday conditions. XVI International Annual Occupational Ergonomics and Safety
Conference. Toronto: 2002.
174.
Sullivan, D., Bryden, P. and Callaghan, J.P Reliability of Manual Digitization for the
Calculation of Cumulative Loads in the Lumbar Spine. XVI International Annual
Occupational Ergonomics and Safety Conference. Toronto: 2002.
175.
Agnew, M.J., Andrews, D.M., Callaghan, J.P., and Potvin, J.R. Evaluation of a
magnetic tracking device for estimating cumulative low back compression. IV World
Congress of Biomechanics. Calgary: 2002.
176.
Agnew, M.J., D.M. Andrews, D.M. and Callaghan, J.P. Measuring cumulative
compression forces on the low back: the use of a regression-based model and a magnetic
tracking device. XVI International Annual Occupational Ergonomics and Safety
Conference. Toronto: 2002.
Jack P. Callaghan
Page 36
177.
Andrews, D.M. and Callaghan, J.P. Determining the minimum sampling rate needed to
accurately quantify cumulative spine loading from digitized video. XVI International
Annual Occupational Ergonomics and Safety Conference. Toronto: 2002.
178.
Lauder, C.L, Andrews, D.M. and Callaghan, J.P. Peak and cumulative loading of the
lumbar spine during simulated non-work activities. XVI International Annual
Occupational Ergonomics and Safety Conference. Toronto: 2002.
179.
Keown, K., Andrews, D.M., and Callaghan, J.P. Influence of dynamic factors on errors
in calculating cumulative low back loads during lifting. Twenty-Fifth Annual Meeting of
the American Society of Biomechanics. UCSD, San Diego: 235-236, 2001.
180.
Callaghan, J.P., Salewytsch, A.J., and Andrews, D.M. An evaluation of predictive
methods for estimating cumulative spine loading. Proceedings of the Eleventh Biennial
Conference and Symposia of the Canadian Society for Biomechanics. Montreal:
University of Montreal: 189, 2000.
Also published in Archives of Physiology and Biochemistry 108 (1-2): 189-189, 2000.
181.
Kerr, D. and Callaghan, J.P. Establishing a Relationship Between Spectral Indicators of
Fatigue and Ratings of Perceived Discomfort. Proceedings of the 31st Annual Conference
of the Human Factors Association of Canada. Hull: 301-307, 1999.
182.
Salewytsch, A.J. and Callaghan, J.P. Discomfort during prolonged sitting:
Quantification of lumbar spine postures and trunk extensor activation levels. Proceedings
of the 31st Annual Conference of the Human Factors Association of Canada. Hull: 316321, 1999.
183.
Callaghan, J.P. and McGill S.M. Studies on intervertebral disc damage from highly
repetitive flexion/extension motions with compressive force. XVIIth Congress of the
International Society of Biomechanics. Calgary: University of Calgary: 652, 1999.
184.
Callaghan, J.P. and McGill S.M. Time varying postures, muscular activity, and low
back joint loading during unsupported sitting. Proceedings of the 3rd North American
Congress on Biomechanics. Waterloo: University of Waterloo: 351-352, 1998.
185.
McGowan, B., Callaghan, J.P., and McGill, S.M. The effects of cadence on lumbar
spine kinematics during gait. Proceedings of the 3rd North American Congress on
Biomechanics. Waterloo: University of Waterloo: 379-380, 1998.
186.
Gunning, J.L., Callaghan, J.P., and McGill S.M. Spine load and muscular activity during
several back extensor exercises. Proceedings of the 3rd North American Congress on
Biomechanics. Waterloo: University of Waterloo: 375-376, 1998.
Jack P. Callaghan
Page 37
187.
Callaghan, J.P. and McGill, S.M. Sitting, standing, and walking workplace
considerations: potential for injury from low loading situations. Proceedings of the 30th
Annual Conference of the Human Factors Association of Canada. Mississauga: 163-168,
1998.
188.
Callaghan, J.P. and McGill, S.M. Impact forces from falling: Implications for low back
injury. Proceedings of the 30th Annual Conference of the Human Factors Association of
Canada. Mississauga: 477-482, 1998.
189.
Callaghan, J.P., Patla, A.E., and McGill, S.M. 3D analysis of spine loading during gait.
Twentieth Annual Meeting of the American Society of Biomechanics. Atlanta: Georgia
Institute of Technology: 13-14, 1996.
190.
Callaghan, J.P., Patla, A.E., and McGill, S.M. An examination of rigid link segment
models for gait analysis. Proceedings of the Ninth Biennial Conference and Symposia of
the Canadian Society for Biomechanics. Vancouver: Simon Fraser University: 216-217,
1996.
191.
Kinney, S.E., Callaghan, J.P., and McGill, S.M. Lumbar spine movement and muscle
activity using the golfer's lifting technique. 28th Annual Conference of the Human
Factors Association of Canada: Evidence-Based Ergonomics. Waterloo: University of
Waterloo: 73-78, 1996.
192.
McGill, S.M., Axler, C., Callaghan, J.P., Gunning, J., Juker, D., and Kropf, P. Spine
loading during rehabilitation exercises: Identifying the safest method. International
Society for the Study of the Lumbar Spine. Burlington, Vermont: 72-73, 1996.
193.
Callaghan, J.P. and McGill, S.M. Muscle activity and low back loads under external
shear and compressive loading. Nineteenth Annual Meeting of the American Society of
Biomechanics. Stanford: Stanford University: 117-118, 1995.
194.
Yingling, V.R., Callaghan, J.P., and McGill, S.M. The effect of load rate on the
mechanical properties of porcine spinal motion segments. Nineteenth Annual Meeting of
the American Society of Biomechanics. Stanford: Stanford University: 119-120, 1995.
195.
Callaghan, J.P. and McGill, S.M. Compressive tolerance of a porcine vertebral fracture
model exposed to physiologic pressures. Proceedings of the Eighth Biennial Conference
and Symposium of the Canadian Society for Biomechanics. Calgary: University of
Calgary: 76-77, 1994.
Jack P. Callaghan
Page 38
Non-Refereed Conference Proceedings (Total = 72)
1.
Parmar, R., Karakolis, T., Holmes, M.W.R., Callaghan, J.P. S. Safety Margin During
Lateral Reaches on a Stability Ball vs. Office Chair. Proceedings of the Thirtieth Ontario
Kinesiology Association Annual Conference, October 13-14, Niagara Falls, Ontario,
Canada, 2012.
2.
Viggiani, D., Noguchi, M., Gruevski, K., De Carvalho, D., Callaghan, J.P. S. Effect of
Wallet Size on Trunk Angles, Seat Pressure and Discomfort. Proceedings of the Thirtieth
Ontario Kinesiology Association Annual Conference, October 13-14, Niagara Falls,
Ontario, Canada, 2012.
3.
Frank, N., Callaghan, J.P., Prentice, S. Prolonged running in minimal footwear:
kinematic adaptations to a novel shoe condition. Proceedings of the First Annual Faculty
of Applied Health Sciences Graduate Research Conference, University of Waterloo,
April 26, Waterloo, Ontario, Canada, 2012.
4.
Gooyers, C.E., Frost, D.M., McGill, S.M., Callaghan, J.P. Observation of an injury:
Partial rupture of the Achilles tendon during a simulated fire ground task. Lessons
learned for injury prevention. Proceedings of the First Annual Faculty of Applied Health
Sciences Graduate Research Conference, University of Waterloo, April 26, Waterloo,
Ontario, Canada, 2012.
5.
Noguchi, M., Gooyers, C.E., Holmes, M.W.R., Callaghan, J.P. The impact of
compressive load magnitude on the in-vitro neutral zone range and passive stiffness
during a flexion- extension range of motion test. Proceedings of the First Annual Faculty
of Applied Health Sciences Graduate Research Conference, University of Waterloo,
April 26, Waterloo, Ontario, Canada, 2012.
6.
Noguchi, M., Gooyers, C.E., Holmes, M.W.R., Callaghan, J.P. A mechanical evaluation
of the protective capacity of a range of flooring systems for reducing fall-related impacts.
Proceedings of the First Annual Faculty of Applied Health Sciences Graduate Research
Conference, University of Waterloo, April 26, Waterloo, Ontario, Canada, 2012.
7.
Gruevski, K., McKinnon, C., Callaghan, J.P. The effect of mobile data terminal use on
low back posture and discomfort during prolonged driving in police officers. Proceedings
of the Ninth Annual Ontario Biomechanics Conference (OBC). Barrie Ontario: 2012.
8.
Noguchi, M., Gooyers, C.E., Holmes, M., Callaghan, J.P. The impact of compressive
load magnitude on the neutral zone range during a passive flexion-extension test. A
porcine spine example. Proceedings of the Ninth Annual Ontario Biomechanics
Conference (OBC). Barrie Ontario: 2012.
9.
Glinka, M., Karakolis, T., Callaghan, J.P., Laing, A. Characterization of the protective
capacity of flooring systems using force-deflection profiling. Proceedings of the Ninth
Annual Ontario Biomechanics Conference (OBC). Barrie Ontario: 2012.
Jack P. Callaghan
Page 39
10.
Frank, N., Callaghan, J.P., Prentice, S. Lower limb variability during prolonged running
in minimal footwear Proceedings of the Ninth Annual Ontario Biomechanics Conference
(OBC). Barrie Ontario: 2012.
11.
Lancaster, D., Alex, B., Csepe, D., Callaghan, J.P., Nelson-Wong, E. Recruitment of
musculature during the extension phase of forward flexion is altered in people who
develop low back pain during prolonged standing. Rocky Mountain Regional American
Society of Biomechanics Meeting, Estes Park, Colorado, 2011.
12.
Gallagher, K. Nelson-Wong, E., Callaghan, J.P. Postural control and the development of
transient low back pain. Proceedings of the Eighth Annual Ontario Biomechanics
Conference (OBC). Barrie Ontario: 2011.
13.
De Carvalho, D., Callaghan, J.P. Influence of self-selected lumbar support on body
posture and subjective comfort during prolonged driving. Proceedings of the Eighth
Annual Ontario Biomechanics Conference (OBC). Barrie Ontario: 2011.
14.
VandenBussche, J., Gallagher, K., Parkinson, R., Young, J., Callaghan, J.P. Foot
placement in oblique stair descent. Proceedings of the Eighth Annual Ontario
Biomechanics Conference (OBC). Barrie Ontario: 2011.
15.
Gruevski, K., McKinnon, C., Callaghan, J.P. The effect of mobile data terminal use on
posture and low back discomfort during prolonged seating in police officers. Proceedings
of the Eighth Annual Ontario Biomechanics Conference (OBC). Barrie Ontario: 2011.
16.
Smith, D., McKinnon, C., Callaghan, J.P. Lumbo-pelvic changes related to rear pocket
contents during driving. Proceedings of the Eighth Annual Ontario Biomechanics
Conference (OBC). Barrie Ontario: 2011.
17.
MacLean, K., Callaghan, J.P., Maly. M. Comparing knee joint kinematics, kinetics and
cumulative load between healthy weight and obese young adults. Proceedings of the
Eighth Annual Ontario Biomechanics Conference (OBC). Barrie Ontario: 2011.
18.
Gooyers, C.E., McMillan, R., Howarth, S.J., Eger, T.R., Callaghan, J.P. The impact of
posture and prolonged cyclic compressive load on vertebral joint height loss – a porcine
spine example. Proceedings of the Eighth Annual Ontario Biomechanics Conference
(OBC), Barrie, Ontario, 2011.
19.
Karakolis, T., Howarth, S.J., and Callaghan, J.P. Investigating the moment arm
hypothesis for vertebral shear failure tolerance: a finite element analysis. Proceedings of
the Eighth Annual Ontario Biomechanics Conference (OBC). Barrie Ontario: 2011.
20.
Callaghan, J.P., Gallagher, K.M., Gooyers, C.E., Karakolis, T. (2011). Prevention of
low back pain: Understanding the mechanistic sources of pain. In Proceedings of the
2011 Canada Research Chairs Conference – Thinking ahead for a strong future. Toronto,
Ontario, 2010.
Jack P. Callaghan
Page 40
21.
Gallagher, K., Fischer, S.L., Howarth, S., Albert, W.J., Callaghan, J.P. Estimation Of
Cumulative Spinal Loading Using A Scaling Factor. Proceedings of the Seventh Annual
Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2010.
22.
Robbins, S., Birmingham, T., Callaghan, J.P., Jones, G., Maly, M. Cumulative Loading
in the Osteoarthritic Knee Explains Pain But Not Self-Report Physical Function.
Proceedings of the Seventh Annual Ontario Biomechanics Conference (OBC), Barrie,
Ontario, 2010.
23.
Howarth, S. and Callaghan, J.P. Influence of Pars Interarticularis Structure And
Composition on Shear Failure Tolerances. Proceedings of the Seventh Annual Ontario
Biomechanics Conference (OBC), Barrie, Ontario, 2010.
24.
De Carvalho, D.E. and Callaghan, J.P. Validation Of Tri-Axial Accelerometers for the
Measurement of Lumbar Spine and Pelvic Angles. Proceedings of the Seventh Annual
Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2010.
25.
Holmes, M., Howarth, S., Callaghan, J.P., Keir, P.J. The Effects Of Indenter Size And
Wrist Posture On Transverse Carpal Ligament Stiffness. Proceedings of the Seventh
Annual Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2010.
26.
Gooyers, C. and Callaghan, J.P. A 30 Hz High-Pass Filter As A Generic EMG
Processing Step. Proceedings of the Seventh Annual Ontario Biomechanics Conference
(OBC), Barrie, Ontario, 2010.
27.
Frost, D.M., Beach, T.A.C., Fenwick, C.M., Callaghan, J.P., McGill, S.M. Hip-Centric
Mini-Band Exercise: Spine Friend or Foe? Proceedings of the Seventh Annual Ontario
Biomechanics Conference (OBC), Barrie, Ontario, 2010.
28.
Eger, T.R., Godwin, A.G., Henry, D.J., Grenier, S.G., Callaghan, J.P., Demerchant, A.
Why Vehicle Design Matters: Exploring the Link Between Line-of-Sight, Driving
Posture and Risk Factors for Injury. Proceedings of the Sixth Annual Ontario
Biomechanics Conference (OBC), Barrie, Ontario, 2009.
29.
De Carvalho, D.E., Soave, D., Callaghan, J.P. Radiological Measures of Lumbar Spine
and Pelvis Postures in An Automobile Seat. Proceedings of the Sixth Annual Ontario
Biomechanics Conference (OBC), Barrie, Ontario, 2009.
30.
Gallagher, K., Howarth, S., Callaghan, J.P. Effects of Displacement Rate on Acute
Anterior Shear Failure of the Porcine Cervical Spine. Proceedings of the Sixth Annual
Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2009.
31.
Gregory, D.E. and Callaghan, J.P. Examining the Effect of Prolonged Vibration
Exposure on the Tensile Mechanical Properties of Single Layers of the Annulus Fibrosus.
Proceedings of the Sixth Annual Ontario Biomechanics Conference (OBC), Barrie,
Ontario, 2009.
Jack P. Callaghan
Page 41
32.
Nelson-Wong, E. and Callaghan, J.P. is Muscle Co-activation A Causal Factor for Low
Back Pain Development During Standing? Proceedings of the Sixth Annual Ontario
Biomechanics Conference (OBC), Barrie, Ontario, 2009.
33.
Howarth, S., Polgar, J.M., Dickerson, C.R., Callaghan, J.P. Trunk Muscle Activity
During Wheelchair Ramp Ascent and the Effects of A Geared Wheel. Proceedings of the
Sixth Annual Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2009.
34.
Nairn, B.C., Parkinson, R.J., Callaghan, J.P., Drake, J.D.M. Comparing Load and
Posture on Lifting Tasks: Effects of Gender, Spinal Load Magnitude and Postural
Asymmetry. Proceedings of the Sixth Annual Ontario Biomechanics Conference (OBC),
Barrie, Ontario, 2009.
35.
Howarth, S.J. and Callaghan, J.P. The Minimum Number of Padding Points: Effects of
Sampling and Cutoff Frequency When Digitally Filtering Kinematic Data. Proceedings
of the Fifth Annual Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2008.
36.
Beach, T.A.C., McDonald, K.A., Coke, S.K., and Callaghan, J.P. Gender Responses to
Sitting in Automobile and Office Seats B Influence of Hip and Hamstring Flexibility on
Seated Postures. Proceedings of the Fifth Annual Ontario Biomechanics Conference
(OBC), Barrie, Ontario, 2008.
37.
Dunk, N.M. and Callaghan, J.P. Lumbar Spine Movement and Pain During Prolonged
Seated Work. Proceedings of the Fifth Annual Ontario Biomechanics Conference (OBC),
Barrie, Ontario, 2008.
38.
Pronovost, L., Howarth, S., Dickerson, C., Polgar, J.M., and Callaghan, J.P. Effects of
Geared Wheels on Shoulder Muscle Activity During Wheelchair Ramp Ascent and
Descent. Proceedings of the Fifth Annual Ontario Biomechanics Conference (OBC),
Barrie, Ontario, 2008.
39.
De Carvalho, D.E. and Callaghan, J.P. Gender Differences and Passive Tissue Response
to Prolonged Sitting in An Automobile Seat. Proceedings of the Fifth Annual Ontario
Biomechanics Conference (OBC), Barrie, Ontario, 2008.
40.
Gregory, D.E., Howarth, S., Narula, S., and Callaghan, J.P. The Effect of Fatigue on
Trunk Muscle Activation and Spine Postures During Firefighting Tasks. Proceedings of
the Fifth Annual Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2008.
41.
Jackson, J.A., O,Brien, N., Dempsey, P., and Callaghan, J.P. Methodological Variance
Associated with Normalization of Erector Spinae EMG Using Sub-maximal & Maximal
Contraction. Proceedings of the Fifth Annual Ontario Biomechanics Conference (OBC),
Barrie, Ontario, 2008.
Jack P. Callaghan
Page 42
42.
Robbins, S., Jones, G., Birmingham, T., Callaghan, J.P., Maly, M. Developing A
Cumulative Loading Measure for the Knee: Examining Test-retest Reliability.
Proceedings of the Fifth Annual Ontario Biomechanics Conference (OBC), Barrie,
Ontario, 2008.
43.
McKinnon, C., Dickerson, C., Callaghan, J.P., Durkin, J. Quantifying physical
exposures in police cruiser operations. Proceedings of the Fifth Annual Ontario
Biomechanics Conference (OBC), Barrie, Ontario, 2008.
44.
De Carvalho, D.E., Dunk, N.M., and Callaghan, J.P. Gender Differences in Spinal
Posture and User Positioning on a Prototype Seat Pan. Proceedings of the Fourth Annual
Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2007.
45.
Parkinson, R.J., and Callaghan, J.P. Is Load Redistribution Due to Static Loading A
Viable Mechanism to Enhance Tolerance to Cumulative Compression in the Spine?
Proceedings of the Fourth Annual Ontario Biomechanics Conference (OBC), Barrie,
Ontario, 2007.
46.
Drake, J.D.M., and Callaghan, J.P. Time Varying Measure of Intervertebral Foramina
Deformation During Formation of An Intervertebral Disc Injury. Proceedings of the
Fourth Annual Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2007.
47.
Nelson-Wong, E., Gregory, D., Winter, D.A., and Callaghan, J.P. Postural Control
Strategies During Prolonged Standing: is There A Relationship with Low Back
Discomfort? Proceedings of the Fourth Annual Ontario Biomechanics Conference
(OBC), Barrie, Ontario, 2007.
48.
Gregory, D., Brown, S.H.M., and Callaghan, J.P. Trunk Muscle Responses to Suddenly
Applied Loads Before and After A Prolonged Period of Standing. Proceedings of the
Fourth Annual Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2007.
49.
Beach, T.A.C., Howarth, S.J., and Callaghan, J.P. Trunk Muscle Activation and
Low-back Loading During the Performance of Standard and Suspended Push-up
Exercises. Proceedings of the Fourth Annual Ontario Biomechanics Conference (OBC),
Barrie, Ontario, 2007.
50.
Dunk, N.M., Kedgley, A.E., Jenkyn, T., and Callaghan, J.P. Sagittal Lumbar
Intervertbral Angles in Seated Postures Using Fluoroscopy. Proceedings of the Fourth
Annual Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2007.
51.
Donnelly C.J., Durkin J., and Callaghan, J.P. The Effect of an ALS on the Seating
Comfort of Officers in Police Fleet Vehicles. Proceedings of the Fourth Annual Ontario
Biomechanics Conference (OBC), Barrie, Ontario, 2007.
Jack P. Callaghan
Page 43
52.
Singer, J.C., Dunk, N.M., Callaghan, J.P. Evaluation of Surface Marker Systems to
Determine Pelvic and Lumbar Kinematics During Sitting. Proceedings of the Fourth
Annual Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2007.
53.
Dunk, N.M., and Callaghan, J.P. Gender-based differences in postural responses to
seated exposures. Proceedings of the Third Annual Ontario Biomechanics Conference
(OBC), Barrie, Ontario, 2006.
Drake, J.D.M., and Callaghan, J.P. In-vivo passive spine stiffness in response to applied
axial torque. Proceedings of the Third Annual Ontario Biomechanics Conference (OBC),
Barrie, Ontario, 2006.
54.
55.
Parkinson, R.J., and Callaghan, J.P. The effects of rest duration and load magnitude on
cumulative load tolerance. Proceedings of the Third Annual Ontario Biomechanics
Conference (OBC), Barrie, Ontario, 2006.
56.
Hogan, K., and Callaghan, J.P. An investigation of industrially transferable data
collection techniques to quantify cumulative loading in repetitive tasks. Proceedings of
the Third Annual Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2006.
57.
Gregory, D., and Callaghan, J.P. Examining the development of low back discomfort
during a prolonged period of standing. Proceedings of the Third Annual Ontario
Biomechanics Conference (OBC), Barrie, Ontario, 2006.
58.
Beach, T.A.C., Coke, S.K., and Callaghan, J.P. Upper limb adaptations to precision
placement constraints in lifting lead to increased cumulative lumbar spine loads.
Proceedings of the Third Annual Ontario Biomechanics Conference (OBC), Barrie,
Ontario, 2006.
59.
Coke, S.K., Beach, T.A.C., and Callaghan, J.P. Gender-based differences in seated
postures, pressure distributions and perceived discomfort in an automobile seat.
Proceedings of the Third Annual Ontario Biomechanics Conference (OBC), Barrie,
Ontario, 2006.
60.
McDonald, K.A., Coke, S.K., Beach, T.A.C., and Callaghan, J.P. Gender-based
differences and influences of flexibility on pelvic orientation during short duration
sitting: A proposal. Proceedings of the Third Annual Ontario Biomechanics Conference
(OBC), Barrie, Ontario, 2006.
61.
Mogk, J.P.M. Callaghan, J.P., and Keir, P.J. Elastic properties of the transverse carpal
ligament: A cadaveric study with application to modelling. Proceedings of the Third
Annual Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2006.
62.
Parkinson, R.J., and Callaghan, J.P. Does load magnitude modify cumulative load
tolerance? Proceedings of the Second Annual Ontario Biomechanics Conference (OBC),
Barrie, Ontario, 2005.
Jack P. Callaghan
Page 44
63.
Gregory, D., Milosavljevic, S., and Callaghan, J.P. Examining the effect of trunk
harness use on peak and cumulative spinal loads on New Zealand sheep shearers.
Proceedings of the Second Annual Ontario Biomechanics Conference (OBC), Barrie,
Ontario, 2005.
64.
Drake, J.D.M., and Callaghan, J.P. Elimination of ECG contamination from EMG
signals: An evaluation of currently used removal techniques. Proceedings of the Second
Annual Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2005.
65.
Durkin, J.L., and Callaghan, J.P. Effects of minimum sampling rate and signal
reconstruction on surface electromyographic signals. Proceedings of the First Annual
Ontario Biomechanics Conference (OBC), Barrie, Ontario, 2004.
66.
Gregory, D., Dunk, N.M., and Callaghan, J.P. The comparison of muscle activation and
lumbar spine posture during prolonged sitting on a stability ball and in an office chair.
Proceedings of the First Annual Ontario Biomechanics Conference (OBC), Barrie,
Ontario, 2004.
67.
Drake, J.D.M., Aultman, C., McGill, S.M., and Callaghan, J.P. The role of torsion in
intervertebral joint failure mechanics. Proceedings of the First Annual Ontario
Biomechanics Conference (OBC), Barrie, Ontario, 2004.
68.
Dunk, N.M., and Callaghan, J.P. The reliability of upright standing spine postures as a
clinical diagnostic tool. Proceedings of the First Annual Ontario Biomechanics
Conference (OBC), Barrie, Ontario, 2004.
69.
Beach, T.A.C., Parkinson, R.J., Stothart, J.P., and Callaghan, J.P. Prolonged sitting
alters passive low back flexion stiffness. Proceedings of the First Annual Ontario
Biomechanics Conference (OBC), Barrie, Ontario, 2004.
70.
Godin, C.A., Andrews, D.M., Potvin, J.R., and Callaghan, J.P. Predicting low back
disorders from exposure to cumulative loading within the automotive industry.
Proceedings of the First Annual Ontario Biomechanics Conference (OBC), Barrie,
Ontario, 2004.
71.
Sutherland C.A., Albert W.J., Callaghan, J.P., Wrigley A. Can you see the difference?
The effect of video camera placement. 2nd Annual Atlantic Provinces Exercise Scientists
Conference, Wolfville, Nova Scotia, March 12-13, 2004.
72.
Sutherland C.A., Albert W.J., Callaghan, J.P., Wrigley A. The effects of camera
placement on postural assessment and cumulative back loading calculations. 6th Annual
Association of Canadian Ergonomists - Atlantic Conference, St. John's, NFLD, February,
2004.