1. MUSCLES OF THE BODY
You need to be able to know the location and action of these muscles!!!

2. Wrinkle forehead, elevate eyebrow
Occipitalis
Wrinkle forehead, elevate eyebrow

3. Wrinkle forehead, elevate eyebrow
Frontalis
Wrinkle forehead, elevate eyebrow

4. Orbicularis Oculi
Blinks eye

5. Orbicularis Oris
Closes Lips

6. Buccinator
Compresses cheek

7. Helps to smile (lift corners of lips)
Zygomaticus
Helps to smile
(lift corners of lips)

8. Helps to frown (lower corners of lips)
Platysma
Helps to frown
(lower corners of lips)

9. Temporalis
Close jaw

10. Masseter
Close jaw

11. Flex neck and rotate head
Sternocleidomastoid
Flex neck and rotate head

13. Extends head, rotates and adducts scapula
Trapezius
Extends head, rotates and adducts scapula

14. Extend, adduct & rotate arm medially
Latissimus Dorsi
Extend, adduct & rotate arm medially

15. Deltoid
Abducts & flexes arm

17. Flexes, adducts & rotates arm medially
Pectoralis Major
Flexes, adducts & rotates arm medially

18. Rotator Cuff Group of 4 muscles that rotates & stabilizes arm
Supraspinatus, Infraspinatus, Subscapularis, Teres Minor

20. Rotates and extends vertebral column and head
Erector Spinae
Rotates and extends vertebral column and head

21. External Intercostals
Elevate ribs (inspiration)

22. Internal Intercostals
Depress ribs (forced expiration)

23. Diaphragm
Inspiration

24. Flexes & compresses abdomen
Rectus Abdominis
Flexes & compresses abdomen

25. External Oblique
Compresses abdomen

26. Internal Oblique
Compresses abdomen

27. Transversus Abdominis
Compresses abdomen

29. Flexes elbow joint (forearm)
Biceps Brachii
Flexes elbow joint (forearm)

30. Extend elbow joint (forearm)
Triceps Brachii
Extend elbow joint (forearm)

31. Flexes elbow joint (forearm)
Brachialis
Flexes elbow joint (forearm)

33. Flexes elbow joint (forearm)
Brachioradialis
Flexes elbow joint (forearm)

34. Forearm Muscles Flexor carpi ulnaris – flexes wrist
Flexor carpi radialis – flexes wrist

35. Forearm Muscles
Extensor carpi radialis - extends wrist

36. Forearm Muscles
Extensor carpi ulnaris - extends wrist

37. Forearm Muscles
Flexor digitorum - flexes fingers

38. Forearm Muscles
Extensor digitorum - extends fingers

39. Right Arm, Anterior Side
(Palm side up)

40. Right Arm, Posterior Side
(Palm side down)

42. Extends & rotates thigh laterally
Gluteus Maximus
Extends & rotates thigh laterally

43. Abducts & rotates thigh
Gluteus Medius
Abducts & rotates thigh

46. Upper Leg Muscles

47. Flexes Thigh, Extends Lower Leg (part of quadriceps)
Rectus Femoris
Flexes Thigh, Extends Lower Leg
(part of quadriceps)

48. Extends Lower Leg (part of quadriceps)
Vastus Lateralis
Extends Lower Leg
(part of quadriceps)

49. Extends Lower Leg (part of quadriceps)
Vastus Medialis
Extends Lower Leg
(part of quadriceps)

50. The 4th muscle of the “quad” group is the Vastus Intermedius, which is hidden below the other three!

51. 1. vastus medialis
2. vastus lateralis
3. vastus intermedius
4. rectus femoris

52. Flexes & laterally rotates thigh (longest muscle of the body!)
Sartorius
Flexes & laterally rotates thigh
(longest muscle of the body!)

54. Gracilis, Adductor Magnus, Adductor Longus, Adductor Brevis
Adductor Muscles
Adducts thigh
Gracilis, Adductor Magnus, Adductor Longus, Adductor Brevis

56. Flex knee and extend hip (part of hamstring group)
Biceps Femoris
Flex knee and extend hip
(part of hamstring group)

57. Flex knee and extend hip (part of hamstring group)
Semimembranosus
Flex knee and extend hip
(part of hamstring group)

58. Flex knee and extend hip (part of hamstring group)
Semitendinosus
Flex knee and extend hip
(part of hamstring group)

62. Dorsiflexes and inverts foot
Tibialis Anterior
Dorsiflexes and inverts foot

64. Plantar flexes foot & flex lower leg (calf muscle)
Gastrocnemius
Plantar flexes foot & flex lower leg
(calf muscle)

65. Soleus
Plantar flexes foot

67. Plantar flexes & everts foot
Fibularis Longus
Plantar flexes & everts foot

69. Extensor Digitorum Longus
Extends toes