Lab 7

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created 7 years ago by anoffke
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Trunk and Limb Muscles
updated 7 years ago by anoffke
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human anatomy
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1

Flexors and extensors on upper limb

Flexors: anterior side

Extensors: posterior side

2

Flexors and extensors on lower limb

Flexors: posterior side

Extensors: anterior side

3

Action of serratus anterior

protraction and rotation of scapula

4

Action of rhomboid

elevation, retraction and rotation of scapula

5

Action of levator scapulae

elevation and rotation of scapula

6

Action of trapezius

elevation, retraction, and depression of scapula

7

Action of deltoid

abduction, flexion, extension and rotation of arm

8

Action of latissimus dorsi

extension, medial rotation and adduction of arm

9

Action of pectoralis major

flexion, medial rotation and adduction of arm

10

Action of teres major

extension of shoulder and adduction and rotation of arm

11

Action of supraspinatus

abduction of arm

12

Action of infraspinatus

adduction and lateral rotation of arm

13

Action of teres major

adduction and lateral rotation of arm

14

Action of subscapularis

medial rotation of arm

15

Action of biceps brachii

flexion and supination of forearm

16

Action of brachialis

flexion of forearm

17

Action of brachioradialis

flexion of forearm

18

Action of triceps brachii

extension of forearm

19

Action of pronator teres

pronation of forearm

20

Action of supinator

supination of forearm

21

Action of flexor carpi radialis

flexion of wrist and abduction of hand

22

Action of flexor carpi ulnaris

flexion of wrist and adduction of hand

23

Action of flexor digitorum

flexion of wrist and digits

24

Action of extensor carpi radialis

extension of wrist and abduction of hand

25

Action of extensor carpi ulnaris

extension of wrist and adduction of hand

26

Action of extensor digitorum

extension of wrist and digits

27

Action of iliopsoas

flexion of thigh at hip

28

Action of gluteus maximus

extension and lateral rotation of thigh at hip

29

Action of gluteus medius

abduction of thigh at hip

30

Action of gluteus minimus

abduction of thigh at hip

31

Action of quadriceps femoris

extension of knee

32

Action of sartorius

flexion of thigh and knee and lateral rotation of thigh

33

Action of adductors

adduction of thigh

34

Action of hamstrings

flexion of knee

35

Action of gastrocnemius

flexion of foot

36

Action of soleus

flexion of foot

37

Action of calcaneal tendon

gastrocnemius and soleus attach to calcaneus via calcaneal tendon

38

Origin and insertion of pectoralis major

origin: sternum, clavicle and ribs

insertion: intertubercular sulcus of humerus

39

Origin and insertion of supraspinatus

origin: supraspinous fossa of scapula

insertion: greater tubercle of humerus

40

Origin and insertion of infraspinatus

origin: infraspinous fossa of scapula

insertion: greater tubercle of humerus

41

Origin and insertion of teres minor

origin: lateral edge of scapula

insertion: greater tubercle of scapula

42

Origin and insertion of subscapularis

origin: subscapular fossa

insertion: lesser tubercle of humerus

43

Origin and insertion of biceps brachii

origin: scapula

insertion: radial tuberosity

44

Origin and insertion of triceps brachii

origin: scapula and humerus

insertion: olecranon process of ulna

45

Origin and insertion of gluteus maximus

origin: ilium, sacrum, and coccyx

insertion: posterior side of femur

46

Origin and insertion of gluteus minimus

origin: ilium

insertion: greater trochanter of femur

47

Origin and insertion of gluteus medius

origin: ilium

insertion: greater trochanter of femur

48

Origin and insertion of quadriceps femoris

origin: ilium, greater trochanter of femur and shaft of femur

insertion: tibial tuberosity of tibia

49

Origin and insertion of gastrocnemius

origin: lateral and medial condyles of femur

insertion: calcaneus