2. Epicranius O: Occipital bone I: Skin and muscles around eye
F: Raises eyebrow

3. Temporalis O: Temporal bone
I: Coronoid process and lateral surface of mandible
A: Closes (elevates) jaw

4. Masseter O: Lower border of zygomatic arch
I: Lateral surface of mandible
A: Closes (elevates) jaw

5. Sternocleidomastoid O: Anterior surface of sternum
O: Upper surface of clavicle
I: Mastoid process of temporal bone
A: Pulls head to one side or to chest

6. Sternocleidomastoid

7. Trapezius O: Occipital bone
O: Spines of cervical and thoracic vertebrae
I: Clavicle
I: Spine and acromion process of scapula
A: Moves scapula

8. Serratus Anterior O: Outer surface of upper ribs
I: Ventral surface of scapula
A: Pulls scapula anteriorly and inferiorly

9. Pectoralis Major
O:Clavicle, sternum, and costal cartilages of upper ribs
I: Intertubercular groove of humerus
A: Internal rotation, adduction, horizontal adduction of arm

10. Latissimus Dorsi
O: Spines of sacral, lumbar, and lower thoracic vertebrae
O: Iliac crest
O: Lower ribs
I: Intertubercular groove of humerus
A: Pulls shoulder down and back

11. Deltoid O: Acromion process O: Spine of scapula O: Clavicle
I: Deltoid tuberosity of humerus
A: Abducts arm
A: Extends or flexes humerus

12. Deltoid

13. Supraspinatus O: Posterior surface of scapula
I: Greater tubercle of humerus
A: Abducts arm

14. Supraspinatus

15. Infraspinatus O: Posterior surface of scapula
I: Greater tubercle of humerus
F: Rotates arm laterally (external rotation)

16. Infraspinatus

17. Subscapularis O: Anterior surface of scapula
I: Lesser tubercle of humerus
A: Rotates arm medially (internal rotation)

18. Teres Minor O: Lateral border of scapula
I: Greater tubercle of humerus
A: Rotates arm laterally (external rotation)

19. Terres Minor

20. Rotator Cuff Supraspinatus Subscapularis S-Supraspinatus Terres Minor
I-Infraspinatus
T-Terres Minor
S-Subscapularis
Terres Minor
Infraspinatus

21. Biceps Brachii O: Coracoid process of scapula
O: Tubercle above glenoid cavity of scapula
I: Radial tuberosity of radius
A: Flexes elbow and shoulder; supinates forearm

22. Biceps Brachii

23. Triceps Brachii O: Tubercle below glenoid cavity of scapula
O: Lateral and medial borders of humerus
I: Olecranon process of ulna
A: Extends elbow

24. Triceps Brachii

25. External Oblique O: Outer surfaces of lower ribs
I: Outer lip of iliac crest and linea alba
A: Tenses abdominal wall

26. Rectus Abdominus O: Crest of pubis and symphysis pubis
I: Xiphoid process of sternum and costal cartilages
A: Tenses abdominal wall; flexes trunk

27. Want a Six Pack? Linea Alba Internal Oblique External Oblique
Transverse Abdominus
External Oblique
Rectus Abdominus

28. Gluteus Maximus O: Sacrum, coccyx, and posterior surface of ilium
I: Posterior surface of femur and fascia of thigh
A: Extends hip

29. Tensor Fascia Latae O: Anterior iliac crest I: Fascia of thigh
A: Abducts, flexes, and rotates thigh laterally (internal rotation)

30. Gracilis O: Lower edge of symphysis pubis I: Medial surface of tibia
A: Adducts thigh, flexes and rotates lower limb medially

31. Biceps Femoris O: Ischial tuberosity and posterior sufrace of femur
I: Head of fibula nad lateral condyle of tibia
A: Flexes leg, extends thigh

32. Semitendonosis O: Ischial tuberosity I: Medial surface of tibia
A: Flexes leg; extends thigh

33. Semimembranosis O: Ischial tuberosity I: Medial condyle of tibia
A: Flexes leg; extends thigh

34. Hamstring Group
Biceps Femoris
Semitendonosis
Semimembranosis

35. Sartorius O: Anterior superior iliac spine I: Medial surface of tibia
A: Flexes leg and thigh, abducts thigh, rotates thigh laterally, and rotates leg medially

36. Rectus Femoris O: Spine of ilium and margin of acetabulum
I: Patellar tendon to tibial tuberosity
A: Extends leg at knee

37. Vastus Lateralis O: Greater trochanter and posterior surface of femur
I: Patellar tendon to tibial tuberosity
A: Extends leg at knee

38. Vastus Medialis O: Medial surface of femur
I: Patellar tendon to tibial tuberosity
A: Extends leg at knee

39. Vastus Intermedius O: Anterior and lateral surfaces of femur
I: Patellar tendon to tibial tuberosity
A: Extends leg at knee

40. Quadriceps Group Rectus Femoris Vastus Intermedius Vastus Medialis
Vastus Lateralis

41. Soleus O: Head and shaft of fibula; posterior surface ot tibia
I: Posterior surface of calcaneus
A: Plantar flexion of foot

42. Gastrocnemius O: Lateral and medial condyles of femur
I: Posterior surface of calcaneus
A: Plantar flexion of foot
A: Flexion of leg at knee

43. Triceps Surae
Gastrocnemius
Gastrocnemius
Soleus
Soleus