Biology 218 – Human Anatomy
CAT Muscle Quick Study
Session:
Section:
Days / Time:
Instructor:
Fall 2011
52999
M W 5:00 PM – 9:20 PM
RIDDELL
Muscle
Origin
Insertion
Action
1.
Trapezius:
spinotrapezius,
acromiotrapezius, and
clavotrapezius
occipital bone, spines of C7
and all T vertebrae
spine and acromion of extends, elevates, rotates
scapula, lateral clavicle and retracts scapula;
secondary: extends head
2.
latissimus dorsi
via thoracolumbar fascia, the intertubercular groove
lower 6 thoracic vertebrae,
of humerus
lumbar vertebrae, iliac crest
extends, adducts and
medially rotates arm
3.
serratus anterior
upper 8 ribs
anterior aspect of
medial border of
scapula
protracts and rotates
scapula superiorly and
laterally
4.
rhomboideus
spinous process of C7-T5
medial border of
scapula
stabilize scapula
5.
pectoralis major
clavicle, sternum, costal
cartilages
greater tubercle of
humerus
flexes, adducts and
medially rotates arm
6.
pectoralis minor
ribs 3,4,5
coracoid process of
scapula
draws scapula anteriorly
and inferiorly
7.
Deltoids:
acromiodeltoideus,
spinodeltoideus and
clavodeltoideus
clavicle, acromion and
scapular spine
deltoid tuberosity of
humerus
abducts arm
8.
supraspinatus
supraspinous fossa of
scapula
greater tubercle of the
humerus
abducts and stabilizes
humerus
9.
infraspinatus
infraspinous fossa
greater tubercle of the
humerus
lateral rotation of
humerus
10. triceps brachii
Infraglenoid tubercle of
scapula, posterior humerus
olecranon process of the extends forearm
ulna
11. biceps brachii
coracoid process,
supraglenoid tubercle
radial tuberosity
flexes elbow, supinates
forearm
12. brachialis
distal anterior humerus
coronoid process
of ulna
flexes forearm
13. flexor carpi ulnaris
medial epicondyle of
humerus, olecranon process
base of 5th
metacarpal, pisiform
and hamate
flexes wrist, adducts
hand
14. palmaris longus
medial epicondyle of
humerus
palmar aponeurosis
tenses skin and fascia of
palm; weak flexor of
wrist
15. flexor carpi radialis
medial epicondyle of
humerus
base of 2nd and 3d
metacarpals
flexes wrist, abducts
hand
Biology 218 – Human Anatomy
CAT Muscle Quick Study
Session:
Section:
Days / Time:
Instructor:
Fall 2011
52999
M W 5:00 PM – 9:20 PM
RIDDELL
16. pronator teres
medial epicondyle of
humerus
lateral radius
pronates and flexes
forearm
17. brachioradialis
lateral supracondylar ridge
styloid process of radius flexes forearm
18. extensor carpi radialis
Supracondylar ridge and
lateral epicondyle of
humerus
metacarpals II and III
extends and abducts
wrist
19. extensor digitorum
communis
lateral epicondyle of the
humerus
posterior surfaces of
distal phalanges of
digits 2-5
extends fingers and wrist,
abducts fingers
20. extensor digitorum
minimi
--
--
extends 5th digit
21. extensor carpi ulnaris
lateral epicondyle of
humerus
metacarpal V
extends and adducts
wrist
22. masseter
zygomatic arch
angle and ramus of
mandible
elevates mandible
23. mylohyoideus
mandible
Hyoid
elevates hyoid
24. digastricus
mandible and mastoid
process
hyoid bone
open mouth and depress
mandible
25. sternohyoideus
manubrium and clavicle
hyoid bone
depresses hyoid and
larynx
26. sternomastoideus
manubrium, clavicle
mastoid process
singly, rotates head to
opposite shoulder;
together, flexes head
27. external oblique
lower 8 ribs
iliac crest and linea alba flexion and rotation at
waist
28. internal oblique
lumbar fascia; inguinal
ligament; iliac crest
lower 4 ribs; linea alba; flexion and rotation of
pubic crest
trunk; lateral flexion
29. transverse abdominis
iliac crest, cartilages of lower linea alba and pubic
6 ribs
crest
compresses abdominal
wall
30. rectus abdominis
pubic crest and pubic
symphysis
ribs 5-7 and xiphoid
process
flexion at waist
31. tensor fascia latae
iliac crest and anterior
superior iliac spine
iliotibial tract
steadies trunk on thigh
32. gluteus medius
ilium
greater trochanter of the abduction and medial
femur
rotation of thigh
33. gluteus maximus
ilium, sacrum, coccyx
gluteal tuberosity of
femur
major extensor of thigh
34. sartorius
anterior superior iliac spine
tibia
flexes, abducts and
Biology 218 – Human Anatomy
CAT Muscle Quick Study
Session:
Section:
Days / Time:
Instructor:
Fall 2011
52999
M W 5:00 PM – 9:20 PM
RIDDELL
laterally rotates thigh;
flexes knee
35. gracilis
pubis
medial tibia
adducts thigh, flexes and
medially rotates leg
36. adductor femoris =
adductor magnus in
humans
ischium and pubis
linea aspera of femur
adducts, flexes and
medially rotates thigh
37. biceps femoris
ischial tuberosity and femur
tibia and fibula
extends thigh, flexes
knee
38. semitendinosus
ischial tuberosity
medial aspect of
proximal tibia
extends thigh, flexes
knee
39. semimembranosus
ischial tuberosity
medial condyle of tibia
extends thigh, flexes
knee
40. vastus lateralis
Greater trochanter
patella and tibial
tuberosity
extends knee, stabilizes
knee
41. vastus medialis
linea aspera
patella and tibial
tuberosity
extends knee
42. vastus intermedius
proximal femur
patella and tibial
tuberosity
extends knee
43. rectus femoris
anterior inferior iliac spine
patella and tibial
tuberosity
extends knee, flexes
thigh at hip
44. gastrocnemius
medial and lateral condyles
of femur
calcaneal tendon onto
calcaneus
flexes lower leg,
plantarflexes foot
45. tibialis anterior
lateral condyle and tibial
shaft
first cuneiform and first dorsiflexes and inverts
metatarsals
foot
46. soleus
head of fibula and tibia
calcaneal tendon onto
calcaneus
plantarflexes foot
47. fibularis longus
head of fibula
first metatarsal and
medial cuneiform
plantarflexion and foot
eversion
48. extensor digitorum
longus
posterior tibia
distal phalanges of toes
2-5
extend toes 2 - 5 and
dorsiflexes ankle
49. teres major
posterior surface of inferior
angle of scapula
lesser tubercle of
humerus
extends, adducts and
medially rotates arm
50. teres minor
lateral border of scapula
greater tubercle of
humerus
lateral rotation of
humerus
51. subscapularis
subscapular fossa of scapula lesser tubercle of
humerus
medial rotation of
humerus, stabilizes
shoulder joint
Biology 218 – Human Anatomy
CAT Muscle Quick Study
Session:
Section:
Days / Time:
Instructor:
Fall 2011
52999
M W 5:00 PM – 9:20 PM
RIDDELL
52. pectineus
pubis
posterior femur
adducts, flexes and
medially rotates thigh
53. psoas major
lumbar vertebrae
lesser trochanter of the
femur
prime mover in thigh
flexion and in flexing
trunk