CURRICULUM VITAE Mark Allen Gomez, Ph.D. Biomechanics Advanced 2211 Encinitas Blvd. Encinitas, California 92024 (760) 635-2630 (760) 635-2634 FAX EDUCATION 1988 Ph.D. (Applied Mechanics) University of California, San Diego 1982 M.S. (Applied Mechanics) University of California, San Diego 1977 B.A. (Biological Sciences) University of California, San Diego EMPLOYMENT HISTORY Jul. 1996 Present Assistant Clinical Professor Department of Orthopaedics University of California, San Diego Aug. 2005 Present Injury Biomechanics Consultant Biomechanics Advanced Encinitas, California Jul. 1993 Jul. 2005 Injury Biomechanics Consultant Medical-Legal Consultants, Inc. San Diego, California Jul. 1994 Jun. 1996 Assistant Adjunct Professor Department of Orthopaedics University of California, San Diego Oct. 1988 Jun. 1993 Assistant Professor Director, Bioengineering Laboratory Department of Orthopaedics University of Colorado Health Sciences Center Aug. 1985 Sep. 1988 Assistant Development Engineer Div. of Orthopaedics and Rehabilitation University of California, San Diego Jul. 1979 Jul. 1985 Jr. Development Engineer Div. of Orthopaedics and Rehabilitation University of California, San Diego Jan. 1979 Jun. 1979 Staff Research Associate Div. of Orthopaedics and Rehabilitation University of California, San Diego Sep. 1977 Dec. 1978 Biomechanics Laboratory Technician Veterans Administration Medical Center La Jolla, California Mark Allen Gomez, Ph.D. PROFESSIONAL EDUCATION / DEVELOPMENT EOS Systems: “Accident Reconstruction/ Collision Investigation Photomodeler Course, Denver, Colorado, October 27-29, 2008. SAE TOPTEC: “Accident Reconstruction: State-of-the-Art”, Costa Mesa, California, December 9, 1999. SAE International, Photogrammetry in Accident Reconstruction, 9/22/98 SAE International, Accident Reconstruction Using Conservation of Momentum & Energy, March 17-19, 1998 STAPP Conference, Child Occupant Protection Symposium, 11/12/97 SAE International, Airbag Design & Performance TOPTEC, 8/15/97 MEMBERSHIP IN PROFESSIONAL SOCIETIES SAE International (1993) American Society of Mechanical Engineers (1991) Orthopaedic Research Society (1989) American Society of Biomechanics (1986) Forensic Expert Witness Association (2005) PROFESSIONAL CONTRIBUTIONS Reviewer: American Journal of Sports Medicine Clinical Orthopaedics and Related Research Journal of Biomechanical Engineering Journal of Biomechanics Journal of Orthopaedic Research Chairman: Session on Soft Tissue Mechanics, 41st Annual Meeting of the Orthopaedic Research Society, 2/13/95 Session on Spine Mechanics, American Society of Mechanical Engineers, 11/11/94 Session on Muscle Mechanics, American Society of Mechanical Engineers, 12/1/93 Session on Anterior Cruciate Ligament, 38th Annual Meeting of the Orthopaedic Research Society, 2/19/92 Session on Ligament Biomechanics, First World Congress of Biomechanics, 9/4/90 Session on Orthopedics – Medical Legal, 4th Frontiers in Biomedical Devices Conference, ASME, 6/9/09 AWARDS - Author, The O'Donoghue Sports Injury Research Award for "The Effects of Increased Tension on Healing Medial Collateral Ligaments" (The American Orthopaedic Society for Sports Medicine, Sun Valley, Idaho, July, 1990) - Co-author, The Excellence in Research Award for "Treatment of the Medial Collateral Ligament Injury II: Structure and Function of Canine Knees in Response to Differing Treatment Regimens" (The American Orthopaedic Society for Sports Medicine, Sun Valley, Idaho, July, 1986) 2 Mark Allen Gomez, Ph.D. - Co-Author, The Basic Science Award for "Medial Collateral Ligament Healing - A Multidisciplinary Assessment in Rabbits" (The American Orthopaedic Society for Sports Medicine, Anaheim, California, March 1983) GRANT SUPPORT The Whitaker Foundation, "Stress and Strain Distributions in Proximal Femoral Allografts Subsequent to Total Hip Arthroplasty", $180,000.00, 4/1/90 - 4/30/93, Principal Investigator. Mile High Transplant Bank, 3rd James S. Miles Research Grant, "The Biomechanical and Morphological Properties of Femoral and Iliac Crest Allografts as a Function of Age", $19,449.00, 7/1/91-6/30/93, Principal Investigator. Biomedical Research Support Committee, UCHSC, "The Effects of Femoral-Tibial Component Alignment in Total Knee Arthroplasty", $15,000.00, 7/1/91-12/31/91, Co-Principal Investigator. Biomedical Research Support Committee, UCHSC, "The Effects of Increased Stress on the Biomechanical and Morphological Properties of Healing Ligaments: An In-Vivo Study", $15,000.00, 6/1/90 - 6/30/91, Principal Investigator. BIBLIOGRAPHY THESES 1. Gomez, M.A.: A New Femoral Component Design for Use in Total Hip Arthroplasty, Master's Thesis, University of California, San Diego, 1982. Advisor: Savio L-Y. Woo, Ph.D. 2. Gomez, M.A.: The Effect of Tension on Normal and Healing Medial Collateral Ligaments, Doctoral Dissertation, University of California, San Diego, 1988. Advisor: Savio L-Y. Woo, Ph.D. BOOKS AND MONOGRAPHS 1. Woo, S. L-Y, Gomez, M.A. and Akeson, W.H.: Mechanical Behaviors of Soft Tissues: Measurements, Modifications, Injuries and Treatment, in Biomechanics of Trauma. Eds. A.M. Nahum and J. Melvin, Appleton Century Crofts, E. Norwalk, Conn., pp. 109-133, 1985. 2. Woo, S. L-Y., Gomez, M.A., Lothringer, K.S. and Akeson, W.H.: The Effect of Changes in Stress Levels on the Homeostasis of Cortical Bone, Tendons and Ligaments, in Biomechanics in China, Japan and U.S.A. Eds. Y.C. Fung, E. Fukada and J.J. Wang. Science Press (Beijing), China, pp. 357-384, 1984. 3. Gomez, M.A., Inoue, M., McGurk-Burleson, E. and Woo, S. L-Y.: Medial Collateral Ligament Healing: A Biomechanical Assessment in Biomechanics: Basic and Applied Research. Eds. G. Bergman, R. Kobel and A. Rohlmann, Martinas Nijhoff Publishers. Dordrecht, The Netherlands, pp. 167-172, 1987. 4. Gomez, M.A.: Biomechanical Properties of Normal and Healing Ligaments in The Anterior Cruciate Ligament: Current and Future Concepts. Ed. D.W. Jackson, Raven Press. New York, Chapter 20, Pages 227-233, 1993. 5. Gomez, M.A.: The Physiology and Biochemistry of Soft Tissue Healing in Rehabilitation of the Injured Knee. Ed. L. Hunter-Griffin, Mosby-Year Book. Chicago, Chapter 4, Pages 34-44, 1995. 6. Gomez, M.A., France M.D., J., Dwyer M.D., A., Merola, M.D., A.A., Corenman, M.D., D.C.: Effects of Lumbar Pedicle Distraction and Compression on Interbody Graft Loads in Spinal Biomechanics II, Eds. T.R. Haher M.D. and A.A. Merola, M.D., Hanley & Belfus, Inc., Philadelphia, Vol. 10, No. 3, Pages 497-506, September 1996. 3 7. Mark Allen Gomez, Ph.D. Gomez, M.A., Biomechanics of Soft Tissue Injury, Lawyers & Judges Publishing Inc., Tucson, Arizona, 2001. 8. Gomez, M.A. and Nahum A.M.: Biomechanics of Bone, in Accidental Injury – Biomechanics and Prevention. Eds. A.M. Nahum and J.W. Melvin, 2 nd Ed, Springer-Verlag, New York, 2002. ORIGINAL RESEARCH ARTICLES 1. Woo, S. L-Y., Lubock, P., Gomez, M.A., Jemmott, G. F. and Akeson, W.H.: Large Deformation Nonhomogeneous and Directional Properties of Articular Cartilage in Uniaxial Tension. J. of Biomechanics, 12(4):437:446, 1979. 2. Woo, S. L-Y., Ritter, M.A., Amiel, D., Sanders, T.M., Gomez, M.A., Garfin, S.R. and Akeson, W.H.: The Biomechanical and Biochemical Properties of Tendons: Long Term Effects of Exercise on the Digital Extensors. Connective Tissue Research, 7:177-183, 1980. 3. Woo, S. L-Y., Gomez, M.A., Amiel, D., Ritter, M.A., Gelberman, R.H. and Akeson, W.H.: The Effects of Exercise on the Biomechanical and Biochemical Properties of Swine Digital Flexor Tendons. J. of Biomech. Engrg., 103(1):51-56, 1981. 4. Woo, S. L-Y., Kuei, S.C., Amiel, D., Gomez, M.A., Hayes, W.C., White, F. and Akeson, W.H.: The Effect of Prolonged Physical Training on the Properties of Long Bones - A Study of Wolff's Law. J. Bone Joint Surg. (American) 63A: 780-787, 1981. 5. Woo, S. L-Y., Gomez, M.A. and Akeson, W.H.: The Time and History Dependent Viscoelastic Properties of Canine Medial Collateral Ligaments. J. of Biomech. Engrg., 103(4): 293-298, 1981. 6. Hargens, A.R., Gomez, M.A., Evans, K.L., Tipton, C.M. and Akeson, W.H.: Correlation of Interstitial Fluid Pressure and Contraction Force in Canine Skeletal Muscle. Recent Advances in Microcirculatory Research. Bibliotheca Anatomica 20:260-262, 1981. 7. Woo, S. L-Y., Gomez, M.A., Woo, Y.K. and Akeson, W.H.: Mechanical Properties of Tendons and Ligaments - II. The Relationships of Immobilization and Exercise on Tissue Remodeling. Biorhelogy, 19:397-408, 1982. 8. Woo, S. L-Y, Simon, B.R., Akeson, W.H., Gomez, M.A. and Seguchi, Y.: New Approach to the Design of Internal Fixation Plates. J. of Biomed. Materials Research, 17:427-439, 1983. 9. Woo, S. L-Y., Gomez, M.A., Seguchi, Y., Endo, C. and Akeson, W.H.: On the Measurement of Mechanical Properties of Ligament Substance from a Bone-Ligament-Bone Preparation. J. of Orthopaedic Research, 1(1):22-29, 1983. 10. Gomez, M.A., Woo, S. L-Y. and Coutts, R.D.: A New Femoral Component Design Based on the Trabecular Systems of the Proximal Femur. Biomaterials, Medical Devices and Artificial Organs, 11 (1): 39-50, 1983. 11. Frank, C.B., Woo, S. L-Y., Amiel, D., Gomez, M.A., Harwood, F.L. and Akeson, W.H.: Medial Collateral Ligament Healing -A Multidisciplinary Assessment in Rabbits. AOSSM Basic Science Award paper. American Journal of Sports Medicine, 11(6):379-389, 1983. 12. Woo, S. L-Y., Lothringer, K.S., Akeson, W.H., Coutts, R.D., Woo, T.K., Simon, B.R. and Gomez, M.A.: Less Rigid Internal Fixation Plates: Historical Perspectives and New Concepts. J. of Orthopaedic Research, 1(4): 431-449, 1984. 13. Woo, S. L-Y., Orlando, C.A., Gomez, M.A., Frank, C.B. and Akeson, W.H.: Tensile Properties of the Medial Collateral Ligament as a Function of Age. J. of Orthopaedic Research, 4:133-141, 1986. 4 14. Mark Allen Gomez, Ph.D. Woo, S. L-Y., Inoue, M., McGurk-Burleson, E. and Gomez, M.A.: Treatment of Medial Collateral Ligament Injury: II. Structure and Function of Canine Knees in Response to Differing Treatment Regimens. The 1986 AM. Society for Sports Medicine Excellence in Research Award (Sports Science). Am. Journal of Sports Medicine, 15(1):22-29, 1987. 15. Woo, S. L-Y., Lee, T.Q., Gomez, M.A., Sato, S. and Field, F.P.: Temperature Dependent Behavior of the Canine Medial Collateral Ligament. J. of Biomechanical Engineering, 109:68-71, 1987. 16. Woo, S. L-Y., Hollis, J.M., Roux, R.D., Gomez, M.A., Inoue, M. and Akeson, W.H.: The Effects of Knee Flexion on the Structural Properties of the Rabbit Femur-Anterior Cruciate Ligament Tibia Complex (FATC). J. of Biomechanics, 20(6):557-563, 1987. 17. Woo, S. L-Y., Gomez, M.A., Inoue, M. and Akeson, W.H.: New Experimental Procedures to Evaluate the Biomechanical Properties of Healing Canine Medial Collateral Ligament. J. of Orthopaedic Research, 5:425-432, 1987. 18. Woo, S. L-Y., Gomez, M.A., Sites, T., Newton, P.O., Orlando, C.A. and Akeson, W.H.: The Biomechanical and Morphological Changes of the MCL following Immobilization and Remobilization. J. Bone and Joint Surgery, 69-A(8):1200-1211, 1987. 19. Gomez, M.A., Woo, S. L-Y., Inoue, M., Amiel, D., Harwood, F.L. and Kitabayashi, L.: Medial Collateral Ligament Healing Subsequent to Different Treatment Regimens. J. Applied Physiology, 66(1):245-252, 1989. 20. Woo, S.L-Y., Weiss, J.A., Gomez, M.A. and Hawkins, D.A.: Measurement of Changes in Ligament Tension With Knee Motion and Skeletal Maturation, J. of Biomech. Engrg., 112:46-51, 1990. 21. Inoue, M., Woo, S. L-Y., Gomez, M.A., Amiel, D., Ohland, K.J. and Kitabayashi, L.R.: Effects of Surgical Treatment and Immobilization on the Healing of the Medial Collateral Ligament: A Long-Term Multidisciplinary Study, Conn. Tissue Res., 25:13-26, 1990. 22. Gomez, M.A., Woo, S.L-Y., Amiel, D., Harwood, F., Kitabayashi, L. and Matyas, J.R.: The Effects of Increased Tension on Healing Medial Collateral Ligaments. (Winner of the 1990 O'Donoghue Award) American Journal of Sports Medicine, 19(4):347-354, 1991. 23. Nahum, A.M., Gomez, M.A. "Injury Reconstruction: The Biomechanical Analysis of Accidental Injury." International Congress & Exposition, February 28-March 3, 1994. SAE No. 940568. 24. Reis, M.D., Gomez, M.A., Eckhoff, D.G., Lewis, D.A., Brodie, M.R., Wiedel, J.D. "An In Vitro Study of Proximal Femoral Allograft Strains in Revision Hip Arthroplasty." Med. Eng. Phys., 16:292-296, July, 1994. 25. Ries, M.D., Lynch, F., Rauscher, L.A., Richman, J., Mick, C., Gomez, M.A., "Pulmonary Function During and After Total Knee Arthroplasty: The Effect of Overdrilling the Femoral Intramedullary Alignment Rod Hole." American Journal of Knee Surgery, 7(2):57-64, 1994. 5 Mark Allen Gomez, Ph.D. PUBLISHED ABSTRACTS AND EXTENDED ABSTRACTS 1. Woo, S. L-Y., Ritter, M.A., Sanders, T.M., Gomez, M.A., Garfin, S.R. and Akeson, W.H.: Longterm Exercise Effect on the Biomechanical and Structural Properties of Swine Tendon. 25th Orthopaedic Research Society, 1979. 2. Kuei, S.C., Woo, S. L-Y., Gomez, M.A. and Akeson, W.H.: The Viscoelastic, Thermoelastic and Time Dependent Properties of the Knee Ligaments. 25th Orthopaedic Research Society, 1979. 3. Woo, S. L-Y., Kuei, S.C., Gomez, M.A., Amiel, D., Pardee, P.J., Akeson, W.H. and Garfin, S.R.: The Study of Strength Characteristics of Bone-Ligament-Bone complex and Isolated Ligaments A New Methodology. Trans. of 25th Annual Orth. Res. Soc., 4:279, Feb., 1979. 4. Woo, S. L-Y., Kuei, S.C., Gomez, M.A., Winters, J.M., Amiel, D. and Akeson, W.H.: The Effect of Immobilization and Exercise on the Strength Characteristics of Bone-Medial Collateral-Bone Complex. 1979 American Society of Mech. Engineers, Biomechanics Symposium, AMD, 32:6770, June 1979. 5. Woo, S. L-Y., Ritter, M.A., Gomez, M.A., Kuei, S.C. and Akeson, W.H.: The Biomechanical and Structural Properties of Swine Digital Flexor Tendons Secondary to Running Exercise. Trans. of 26th Annual Orth. Res. Soc., 5:17, 1980. 6. Kuei, S.C., Woo, S. L-Y., Gomez, M.A., Amiel, D. and Akeson, W.H.: The Study of Strength Characteristics of Bone-Ligament-Bone-Complex - A New Methodology. Trans. of 26th Annual Orth. Res. Soc., 5:355, 1980. 7. Smith, R.K., Tipton, C.M., Hargens, A.R., Evans, K.L., Zweifach, S.S., Gomez, M.A., Mubarak, S.J. and Akeson, W.H.: Evaluation of Long-Term Function in Skeletal Muscle. 26th Annual Orth. Res. Society, Atlanta, GA., 5:54, 1980. 8. Hargens, A.R., Gomez, M.A., Evans, K.L., Tipton, C.M. and Akeson, W.H.: Correlation of Interstitial Fluid Pressure and Contraction Force in Canine Skeletal Muscle. XI. European Conference for Microcirculation, Garmisch-Partenkirchen, Germany, 1980. 9. Woo, S. L-Y., Gomez, M.A., Amiel, D., Cobb, N.G., Hayes, W.C. and Akeson, W.H.: The Effect of Short and Long Term Exercise Training on Cortical Bone Hypertrophy. Trans. of 27th Orth. Res. Soc., 6:63, 1981. 10. Woo, S. L-Y., Akeson, W.H., Coutts, R.D., Gomez, M.A., Cobb N.G., Gonsalves, M. and Amiel, D.: Potential Advantages of Less Rigid Internal Fixation Plates. 7th Annual Society for Biomaterials, 4:58, May, 1981. 11. Woo, S. L-Y., Gomez, M.A., Endo, C. and Akeson, W.H.: On the Measurement of Ligament Strains and Strain Distribution. Biorheology, 4:108, 1981. 12. Coutts, R.D., Woo, S. L-Y., Woo, Y-K., Lothringer, K. and Gomez, M.A.: Potential Advantages of Non-reaming Multiple Intramedullary Rod System for Fixation of Fractures. Proc. of 2nd International Symposium on Internal Fixation of Fractures, Lyon, France, September, 1982. 13. Gomez, M.A., Woo, S. L-Y. and Coutts, R.D.: A New Design for the Femoral Component Used in Total Hip Arthroplasty. 5th University of Calif., Davis Biomedical Engrg. Symposium, Davis, Calif., pp. 13-16, October, 1982. 14. Woo, S. L-Y., Gomez, M.A. and Akeson, W.H.: Mechanical Properties Along the Medial Collateral Ligament. Trans. of 29th Annual Orth. Res. Soc., 8:7, 1983. 15. Woo, S. L-Y., Newton, P.O., Gomez, M.A.: Effect of Immobilization and Remobilization on the Properties of the Medial Collateral Ligaments. 7th Annual Meeting of American Society of Biomechanics, Rochester, Minn., Sept., pg. 21, 1983. 6 16. Mark Allen Gomez, Ph.D. Woo, S. L-Y., Camp, J.F., Gomez, M.A. and Akeson, W.H.: Comparison of the Biomechanical Properties of Fresh and Frozen Ligaments. 1983 Advances in Bioengineering, American Society of Mechanical Engineers, pp. 98-99, Nov., 1983. 17. Frank, C.B., Amiel, D., Woo, S. L-Y., Harwood, F.L., Gomez, M.A. and Akeson, W.H.: Collagen Abnormalities and Tensile Properties of the Healing Medial Collateral Ligament. Trans. of 30th Annual Orth. Res. Soc., 9:107, 1984. 18. Woo, S. L-Y., Gomez, M.A., Woo, Y-K., Sato, S. and Akeson, W.H.: On the Measurement of Joint Laxity and Mechanical Properties of Healing Ligament. Trans. of 30th Annual ORth. Res. Soc., 9:108, 1984. 19. Woo, S. L-Y., Newton, P.O., Gomez, M.A. and Akeson, W.H.: Responses of Medial Collateral Ligament to Immobilization and Remobilization, Trans. of 30th Annual Orth. Res. Soc., 9:131, 1984. 20. Gomez, M.A., Woo, S. L-Y., Sato, S., Amiel, D., Harwood, F.L. and Akeson, W.H.: The Mechanical Properties of Healing Canine MCL Ligament. 37th Alliance for Engrg. in Medicine and Biology, pg. 269, Los Angeles, Calif., Sept. 17-19, 1984. 21. Woo, S. L-Y., Sato, S., Lee, T.Q. and Gomez, M.A.: Thermal Effects on Ligament Tensile Behavior. 37th Alliance for Engrg. in Medicine and Biology, pg. 273, Los Angeles, Calif., Sept. 17-19, 1984. 22. Woo, S. L-Y., Gomez, M.A. and Akeson, W.H.: On the Biomechanical Behavior of Medial Collateral Ligaments. Proc. of Int'l. Symposium on Frontiers in Applied Mechanics and Biomechanics honoring Y.C. Fung., Univ. of Calif., San Diego, July 21-23, 1984. 23. Woo, S. L-Y., Orlando, C.A., Sato, S., Camp, J.F., Gomez, M.A. and Akeson, W.H.: The Effects of Aging, Temperature and Postmortem Storage on Ligament Tensile Behavior. 1984 ASME Winter Annual Meeting, Bioengineering Symposium, pg. 337, New Orleans, La., Dec. 9-14, 1984. 24. Sato, S., Lee, T.Q., Gomez, M.A. and Woo, S. L-Y.: Temperature Dependent Tensile Behavior of the Canine Medial Collateral Ligament. Trans. of 31st Annual Orth. Res. Soc., 10:40, 1985. 25. Woo, S. L-Y., Orlando, C.A., Frank, C.B., Gomez, M.A. and Akeson, W.H.: Tensile Properties of Medial Collateral Ligament as a Function of Age. Trans. of 31st Annual Orth. Res. Soc., 10:38, 1985. 26. Roux, R.D., Hollis, J.M., Gomez, M.A., Inoue, M., Kleiner, J.B., Akeson, W.H. and Woo, S. LY.: Tensile Testing of the Anterior Cruciate Ligament (ACL): A New Methodology. Trans. of 32nd Annual Orth. Res. Soc., 11:237, 1986. 27. Inoue, M., Gomez, M.A., Hollis, J.M., Roux, R.D., Lee, E.B., Burleson, E.M. and Woo, S. L-Y.: Medial Collateral Ligament Healing: Repair vs. Non-Repair. Trans. of 32nd Annual Orth. Res. Soc., 11:78, 1986. 28. Gomez, M.A., Inoue, M., Burleson, E. and Woo, S. L-Y.: Medial Collateral Ligament Healing: A Biomechanical Assessment. 5th Mtg. of European Society of Biomechanics, Berlin, West Germany, Sept. 8-10, 1986. 29. Hollis, J.M., Gomez, M.A., Inoue, M., Burleson, E.M. and Woo, S. L-Y.: The Effect of Degrees of Freedom on Varus-valgus Knee Laxity. No. Amer. Congress on Biomechanics, Montreal, Quebec, Canada, pp. 101-102, 1986. 30. Hawkins, D.A., Gomez, M.A. and Woo, S. L-Y.: An Indirect Method to Determine Ligament Stresses In Situ. 1986 Adv. in Bioengineering, ASME/BED, 2:166-167, 1986. 7 31. Mark Allen Gomez, Ph.D. Hollis, J.M., Lee, E.B., Ballock, R.T., Gomez, M.A. and Woo, S. L-Y.: The Effect of Loading Direction on the Failure Properties of the Femur-Anterior Cruciate Ligament-Tibia Complex. 1986 Adv. in Bioengineering, ASME/BED, 2:168-169, 1986. 32. Peterson, R.H., Gomez, M.A. and Woo, S. L-Y.: The Effects of Strain Rate on the Biomechanical Properties of the Medial Collateral Ligament: A Study of Immature and Mature Rabbits. Trans. of 33rd Annual Orth. Res. Soc., 12:127, 1987. 33. Hollis, J.M., Lee, E.B., Ballock, R.T., Inoue, M., Gomez, M.A. and Woo, S. L-Y.: Variation of Structural Properties of the Anterior Cruciate Ligament as a Function of Loading Direction. Trans. of 33rd Annual Orth. Res. Soc., 12:196, 1987. 34. Woo, S. L-Y., Gomez, M.A. and Sites, T.J.: The Microstructural and Biomechanical Changes of the Ligament-Bone Complex following Immobilization and Remobilization. 1987 ASME Biomechanics Symposium, Cincinnati, Ohio, June, 1987. 35. Woo, S. L-Y., Gomez, M.A., Hawkins, D. and Weiss, J.: The Measurement of Ligament Stresses and Strains In-situ. Workshop on Biomechanics of Human Knee Ligaments. Ulm, Germany, June, 1987. 36. Gomez, M.A., Ishizue, K.K., Lyon, R.M., Kwan, M.K-W., Wayne, J.S., Furniss, M.A. and Woo, S. L-Y.: The Effects of Increased Stress on Medial Collateral Ligaments: An Experimental and Analytical Approach. Trans. of 34th Annual Orth. Res. Soc., 13:194, 1988. 37. Ishizue, K.K., Lyon, R., Amiel, D., Woo, S. L-Y., Kitabayashi, L., Harwood, F.L., Gomez, M.A. and Akeson, W.H.: Hemarthrosis: A Biochemical and Mechanical Evaluation of Effects on the Anterior Cruciate Ligament and Menisci. Trans. of 34th Annual Orth. Res. Soc., 13:55, 1988. 38. Lavernia, C.J., Reindel, E., Gomez, M.A., Compton, P., Woo, S. L-Y. and Convery, F.R.: The Effects of Sustained Pressurization on the Bone-Cement Interface Mechanics. Trans. of 34th Annual Orth. Res. Soc., 13:356, 1988. 39. Weiss, J.A., Gomez, M.A., Hawkins, D.A. and Woo, S. L-Y.: The Effect of Epiphyseal Closure on Ligament In-Situ Stresses and Strains, Proceedings of 12th Annual Meeting Amer. Soc. Biomech, p. 106-107, Sept. 1988. 40. Gomez, M.A., Kwan, M.K. and Woo, S. L-Y.: An Analytical Technique for Defining the Mechanical Properties of Ligament Tissues. 3rd Joint ASCE/ASME Mechanics Conference, AMD, 98:45-48, 1989. 41. Gomez, M.A. and Woo, S. L-Y.: The Advantages of Applied Tension on Healing Medial Collateral Ligament. Trans. of 35th Annual Meeting of Orth. Res. Soc., 14:184, 1989. 42. Gomez, M.A.: Healing Ligament and Joint Function, First World Congress of Biomechanics, 2:231, September 1990. 43. Ries, M.D., Gomez, M.A., Eckhoff, D.G., Lewis, D.A., Brodie, M.R. and Wiedel, J.D.: Proximal Femoral Allograft Strain Distribution in Revision Arthroplasty. Trans. 36th Ann. Meeting of Orth. Res. Soc., 15(2):449, 1990. 44. Aaron, A., Gomez, M., Hurley, M. and Wiedel, J.: The Effects of Using Autograft or Allograft Menisci in Conjunction with Unicompartmental Osteochondral Allografts, Trans. of 37th Ann. Meeting of Ortho. Res. Soc., 16(2):287, 1991. 45. Gomez, M.: The Biomechanical, Biochemical and Histological Properties of Ligaments Subjected to Increased Tension, Transactions of the Combined Meeting of the Orthopaedic Research Societies of USA, Japan and Canada, 1:31, 1991. 46. Gomez, M., Moore, M. and Silver, G.: The Stability of Cervical Spine Motion Segments, American Society of Mechanical Engineers (ASME/BED), 20:25-27, 1991. 8 Mark Allen Gomez, Ph.D. 47. Gomez, M.A., Moore, M.R., Silver, G.E. and Odom, Jr., J.A.: Stability of Cervical Spine Motion Segments: The Response to Sequential Injury, Proc. 3rd USA-China-Japan Conference on Biomechanics, 3:117, August 25-29, 1991. 48. Gomez, M.A., Woo, S.L-Y., Amiel, D., Harwood, F.L., Kitabayashi, L. and Matyas, J.R.: The Effects of Increased Tension on Medial Collateral Ligaments: A Biomechanical, Biochemical and Histological Assessment, Proceedings of the 15th American Society of Biomechanics, 15:78-79, 1991. 49. Wiedel, J.D., Gomez, M.A. and Lisecki, E.J.: Total Hip Arthroplasty in Conjunction with an Intertrochanteric Osteotomy for Correction of Excessive Anteversion and Valgus Deformity, Proceedings of the 58th American Academy of Orthopaedic Surgeons, 58:265, 1991. 50. Gomez, M.A., Ries, M.D., Gottschalk, A.A., Goodell, E.M. and Wiedel, J.D.: The Structural Properties of Femoral Allograft-Implant-Host Bone Constructs: An In-Vivo Study in Sheep, Trans. of 38th Ann. Meeting of Ortho. Res. Soc., 17(2):576, 1992. 51. Moore, M.R., Brown, C.W., Dwyer, A.P., Gomez, M.A., Odom, Jr., J.A. and Silver, G.: Cervical Stability: Behavior of Cervical Motion Segments Under Physiologic Flexion Moments in Response to Sequential Injury, Proceedings of the 59th American Academy of Orthopaedic Surgeons, 59:216, 1992. 52. Moore, M.R., Gomez, M.A., Silver, G.E., Dwyer, A.P. and Odom, Jr., J.A.: Stability of Cervical Spine Motion Segments Subjected to Sequential Injury, Trans. of 38th Ann. Meeting of Ortho. Res. Soc., 17(1):65, 1992. 53. Ries, M.D., Lynch, Jr., F., Mick, C.A., Richman, J.A., Rauscher, L.A. and Gomez, M.A.: Intraoperative and Postoperative Pulmonary Function After Hybrid and Cementless Total Hip Replacement, Proceedings of the 59th American Academy of Orthopaedic Surgeons, 59:332, 1992. 54. Weinstein, D., Aaron, A., Thickman, D., Eilert, R., Alongi, C. and Gomez, M.: Comparison of Orthoroentgenograms and Computed Tomography in the Assessment of Limb Length Discrepancy, Proceedings of the 59th American Academy of Orthopaedic Surgeons, 59:166, 1992. 55. Saluja, R., Gomez, M., Eilert, R. and Wiedel, J.: A Biomechanical and Radiographic Assessment of Steel Pelvic Osteotomies, Proceedings of the 60th American Academy of Orthopaedic Surgeons, 60:454, 1993. 56. Ries, M.D., Gomez, M.A., Lynch, Jr., F., Mick, C.A., Rauscher, L.A. and Richman, J.A. : Intraoperative and Postoperative Pulmonary Function After Unilateral and Bilateral Total Knee Arthroplasty: Effect of Overdrilling the Intramedullary Alignment Hole, Proceedings of the 60th American Academy of Orthopaedic Surgeons, 60:453, 1993. 57. Gomez, M.A., Moore, M.R., Nguyen, S. and Silver, G.E.: Age Related Differences in Cervical Kinematics Under Conditions of Progressive Injury, Trans. of 39th Ann. Meeting of Ortho. Res. Soc., 18(2):402, 1993. 58. France, J., Gomez, M., Moore, M., Dwyer, A., and Lowe, T.: The Effect of Pedicle Distraction and Compression on Interbody Grafts ("What is the optimal posterior instrumentation construct in 360 degree lumbar fusion?"), Int'l Society for the Study of the Lumbar Spine, June, 1993. 9 59. Mark Allen Gomez, Ph.D. Eckhoff, DG, Metzger, RG, Gomez, MA and Vandewalle, M: Impact of Implant Alignment Technique on Rotary Laxity in Total Knee Arthroplasty. Trans. of 40th Orthopaedic Research Society, 19(2):817, 1994. 60. Jorgenson, S.S., Lowe, T.G., France, J.C., Akmakjian, J., and Gomez, M.: A Prospective Analysis of Autograft versus Allograft in Posterolateral Lumbar Fusion in the same Patient: A Minimum Follow-Up in 144 Patients, Proceedings of the 61st American Academy of Orthopaedic Surgeons, Paper No. 437, 1994. 61. White, K.K., Robertson, C.M., Mahar, A.T., Newton, P.O., and Gomez, M.A.: Cervical Spine Kinematics Following Sequential Sectioning: Novel Implications for Extension Type Injuries, IV World Congress on Biomechanics, Calgary, Canada, #549, August 4-9, 2002. 62. Newton, P, Faro F., Farnsworth, C., Shapiro, G., Mohamad F., Breisch, E., Mahar, A., Tomlinson, T., White, K., Bawa, M., and Gomez, M.: Thoracic Vertebral Screw Impingement on the Aorta in an In Vivo Bovine Model, Orthopaedic Research Society, Transactions of the 51st Annual Meeting, Washington, D.C., February 20-23, 2005. 63. Gomez, M.A.: Determining the Failure Potential of Total Hip Arthroplasty in Frontal Motor Vehicle Impacts: An Interdisciplinary Approach, 4 th Frontiers in Biomedical Devices Conference, ASME, #BioMed2009-83057, Irvine, California, June 8-9, 2009. INVITED PRESENTATIONS 1. "Measurement of Ligament Stresses In-Situ", Orthopaedic Research Seminar, University of Calgary Health Sciences Center, Calgary, Alberta, Canada, February 5, 1987. 2. "The Effects of Tension on Normal and Healing Medial Collateral Ligaments", Orthopaedic Grand Rounds, The Mayo Clinic Rochester, Rochester, Minnesota, April 20, 1988. 3. "Hip Implants: Structure vs. Design vs. Material", Citywide Orthopaedic Grand Rounds, University of Colorado Health Sciences Center, Denver, Colorado, December 6, 1989. 4. "The Structural Properties of Femoral Allograft-Implant-Host Bone Constructs: An In-Vivo Study in Sheep", Research Grand Rounds, The Mary Imogene Bassett Hospital, Cooperstown, NY, September 19, 1991. 5. "The Effects of Different Stress Levels on the Biomechanical and Histological Properties of Ligament: In-vitro and In-vivo Models, Workshop on the "Biological Basis of Micromechanical Models of Ligaments and Tendons to Help Understand Their Physiology and Pathology", Combined Meeting of the Orthopaedic Research Societies of USA, Japan and Canada, October 22, 1991. 6. "The Stresses of Using a Video Dimension Analyzer (VDA) for the Measurement of Strain in Soft Tissue", Workshop on the "Importance of Load in Tendon and Ligament Graft and Repair", Combined Meeting of the Orthopaedic Research Societies of USA, Japan and Canada, October 23, 1991. 7. "The Biomechanical Properties of Femoral Allograft-Implant-Host Bone Constructs", Orthopaedic Bioengineering Seminar, Indiana University, Indianapolis, Indiana, August 19, 1992. 8. SAE TOPTEC: "Low Speed Rear Impact Collision", Presentation on the "Injury Biomechanics of Soft Tissues in the Neck", Newport Beach, California, August 19, 1994. 9. "Injury Reconstruction: The Biomechanical Analysis of Accidental Injury", Accidental Injury: Biomechanics and Prevention Symposium, UCSD School of Medicine, San Diego, California, November 11, 1995. 10 Mark Allen Gomez, Ph.D. 10. "Soft Tissue Injuries of the Neck", Accidental Injury: Biomechanics and Prevention Symposium, UCSD School of Medicine, San Diego, California, November 12, 1995. 11. "Injury Biomechanics of Soft Tissues in the Neck During Low Speed Impact", Presentation to Consumer Attorneys Association of Los Angeles, December 2, 1995. 12. "Soft Tissue Injuries of the Neck", California Society of Physical Medicine and Rehabilitation, Burlingame, California, April 16, 1996. 13. SAE TOPTEC: "Low Speed Collision", Injury Biomechanics of Soft Tissues in the Neck During Low Speed Impact, Vancouver B.C., August 19, 1996. 14. "What to Look For Inside a Motor Vehicle", Law Enforcement Training Workshop on Biomechanics, San Diego Sheriff's Department, San Diego, November 22, 1996. 15. "Biomechanics of Injury from Traffic Collisions", National Institute of Forensic Studies, San Ramon, California, May 12, 1997. 16. “Biomechanics of Injury”, National Institute of Forensic Studies, and Canadian Association of Traffic Investigators and Reconstructionists, Niagara Falls, Ontario, Canada, August 17-23, 1998. 17. “Biomechanical Aspects of Low-Speed Accidents”, L&J Accident Reconstruction and Litigation Seminar: Low-Speed Automobile Accidents – From Collision to Trial, Scottsdale, Arizona, October 22, 1999. 18. “Biomechanics of Bone”, Accidental Injury: Biomechanics & Prevention, U.C.S.D. School of Medicine, San Diego, California, October 23-24, 1999. 19. SAE TOPTEC: “Accident Reconstruction: State-of-the-Art”, Costa Mesa, California, December 9, 1999. 20. “Accidental Injury Analysis; The Role of Vehicular and Accident Site Data”, Training Lecture, San Diego County Collision Investigator’s Association, San Diego, California, October 15, 2004. 21. “Expert Witness Testimony and Injury Biomechanics”, Forensic Expert Witness Association, Del Mar, California, October 25, 2005. 22. “Accidental Injury Analysis and Biomechanics”, Maersk Inc. - Annual President’s Safety Council, Charlotte, North Carolina, March 28, 2007. 23. “How the Biomechanical Expert Can Help the P.I. Attorney”, North County Bar Association – Vista, California, August 12, 2008. 11