1. Section 3 The muscles of head and neck
一、The muscles of head
(一) The facial muscles
1 The epicranius (the occipitofrontalis)
2 The orbicularis oculi
3 The muscles around the mouth

2. Muscles of facial expression

3. Muscles of facial expression

4. (二) The masticatory muscles
1 The master
2 The temporalis
3 The medial pterygoid
4 The lateral pterygoid

5. Masticatory muscles

6. Masticatory muscles

7. 二、The muscles of neck
(一) The superficial group
1 The platysma
2 The sternocleidomastoid

8. Muscles of neck(anterior)

9. Sternocleidomastoid

10. (二) The hyoid muscles
1 The suprahyoid muscles : the digastric 、the mylohyoid、the stylohyoid 、the geniohyoid
2 The infrahyoid muscles: the sternohyoid 、the omohyoid、 the sternothyroid、the thyrohyoid

12. (三) The deep cervical muscles
1 Lateral group: scalenus anterior 、
scalenus medius 、scalenus posterior
2 Medial group

13. Muscles of neck (deep)

14. Section 4 The muscles of upper limb
一、The muscles of shoulder
1 The deltoid
2 The suparspinatus
3 The infraspinatus
4 The teres minor
5 The teres major
6 The subscapularis

15. Deltoid

16. Muscles of shoulder

19. 二、 The muscles of arm (一) The anterior group
1 The biceps brachii: has two heads. Actions : Flexes elbow joint and supinates forearm.
2 The coracobrachialis
3 The brachialis

20. Muscles of arm (ant. View)

21. Muscles of arm (deep view)

22. (二) The posterior group :
The triceps brachii: has three heads. Action : Extends the elbow joint and its long head can also adduct the shoulder joint.

24. 三、 The muscles of forearm
(一) The anterior group ( nine in number)
1 The first layer : from radial to ulnar →
The brachioradialis 、 The pronator teres 、 The flexor carpi radialis 、 The palmaris longus 、The flexor carpi ulnaris

25. Muscles of forearm

26. 2 The second layer : The flexor
digitorum superficialis
3 The third layer :
Radial: The flexor pollicis longus
Ulnar:The flexor digitorum profundus
4 The fourth layer : The pronator
quadratus

27. Muscles of forearm(deep)

30. (二) The posterior group (ten in number)
1 The superficial layer : from radial to ulnar →
The extensor carpi radialis longus and brevis 、The extensor digitorum 、The extensor digiti minimi and the extensor carpi ulnaris

31. Muscles of forearm(pos. view)

32. 2 The deep layer : from radial to ulnar →
The abductor pollicis longus 、The extensor pollicis brevis and longus 、The extensor indicis except the supinator

33. Muscles of forearm(pos. view-deep)

34. Muscles of forearm

35. 2 The second layer : The flexor
digitorum superficialis
3 The third layer :
Radial: The flexor pollicis longus
Ulnar:The flexor digitorum profundus
4 The fourth layer : The pronator
quadratus

36. Muscles of forearm(deep)

39. (二) The posterior group (ten in number)
1 The superficial layer : from radial to ulnar →
The extensor carpi radialis longus and brevis 、The extensor digitorum 、The extensor digiti minimi and the extensor carpi ulnaris

40. Muscles of forearm(pos. view)

41. 2 The deep layer : from radial to ulnar →
The abductor pollicis longus 、The extensor pollicis brevis and longus 、The extensor indicis except the supinator

42. Muscles of forearm(pos. view-deep)

43. 四、 The muscles of hand (一) The lateral group : thenar
(二) The medial group : hypothenar
(三) The intermediate group
1 The lumbricales (four in number)
2 The interosseous muscles (seven in number)

44. Muscles of hand

48. Section 5 The muscles of lower limb
一、 The muscles of hip
(一) The anterior group
1 The iliopsoas : includes the psoas major and the iliacus
2 The tensor fasciae latae

51. (二) The posterior group
1 The gluteus maximus
2 The gluteus medius
3 The gluteus minimus
4 The piriformis
5 The obturator internus
6 The quadratus femoris

52. Muscles of hip and thigh(pos. view)

53. Muscles of hip and thigh (pos. view)

54. (一) The anterior group
1 The sartorius
2 The quadriceps femoris : has four heads → the rectus femoris 、the vastus medialis 、the vastus lateralis 、the vastus intermedius . Actions: Extends the knee joint and the rectus femoris also flexes the thigh .

55. Muscles of thigh (ant. View)

56. Muscles of thigh (ant. View)

57. (二) The medial group
The pectineus 、the adductor longus 、the gracilis 、the adductor brevis 、the adductor magnus

58. Muscles of thigh(deep)

59. (三) The posterior group
1 The biceps femoris
2 The semitendinosus
3 The semimembranosus

61. 三、 The muscles of leg (一) The anterior group 1 The tibialis anterior
2 The extensor digitorum longus
3 The extensor hallucis longus
Actions : dorsiflex the ankle joint and the tibialis anterior can invert the foot.

62. Muscles of leg(ant. View)

63. (二) The lateral group
1 The peroneus longus
2 The peroneus brevis
Actions: evert the ankle joint and plantar-flex

64. Muscles of leg (lat. View)

65. (三) The posterior group
1 The superficial layer ( triceps surae )
a The gastrocnemius
b The soleus

66. Muscles of leg (pos. view)

68. 2 The deep layer
a The flexor digitorum longus
b The tibialis posterior
c The flexor hallucis longus
d The popliteus
Actions : plantar-flexes the ankle joint and invert the foot.

71. 四、 The muscles of foot