LECTURE 3 muscles of the thorax Flashcards Preview

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Flashcards in LECTURE 3 muscles of the thorax Deck (56):
1

origin of pectoralis major

sternum, clavicle, ribs 2-6

2

insertion of pectoralis major

intertubercular groove of humerus

3

action of pectoralis major

adduct, flex, medially rotate arm

4

innervation of pectoralis major

M & L pectorals

5

origin of pectoralis minor

ribs 3-5

6

insertion of pectoralis minor

coracoid process of scapula

7

action of pectoralis minor

depress, rotate scapula

8

innervation of pectoralis minor

M & L pectorals

9

origin of serratus ventralis

ribs 1-9

10

insertion of serratus ventralis

scapula

11

action of serratus ventralis

protract, rotate scapula

12

innervation of serratus ventralis

long thoracic

13

origin of levator scapula

c1-c4

14

insertion of levator scapula

medial border of scapula

15

action of levator scapula

elevate scapula

16

innervation of levator scapula

D scapular

17

origin of rhomboideus minor

c7-t1

18

insertion of rhomboideus minor

medial border of scapula

19

action of rhomboideus minor

adduct, elevate, rotate scapula

20

innervation of rhomboideus minor

D scapular

21

origin of rhomboideus major

t2-t5

22

insertion of rhomboideus major

medial border of scapula

23

action of rhomboideus major

adduct, elevate, rotate scapula

24

innervation of rhomboideus major

d scapular

25

origin of teres major

inferior angle of scapula

26

insertion of teres major

intertubercular groove of humerus

27

action of teres major

medially rotate, extend arm

28

innervation of teres major

subscapular

29

origin of trapezius

ligamentum nuchae, c7-t12

30

insertion of trapezius

clavicle, spine of scapula

31

action of trapezius

elevate, adduct, rotate, depress scapula

32

innervation of trapezius

accessory

33

origin of latissimus dorsi

iliac crest, t7-t12, lumbar fascia

34

insertion of latissimus dorsi

intertubercular groove of humerus

35

action of latissimus dorsi

extend, medially rotate, adduct arm

36

innervation of latissimus dorsi

thoracodorsal

37

origin of deltoids

lateral clavicle, spine and acromion of scapula

38

insertion of deltoids

deltoid tuberosity of humerus

39

action of deltoids

abduct, flex, extend, rotate arm

40

innervation of deltoids

axillary

41

origin of supraspinatus

supraspinous fossa of scapula

42

insertion of supraspinatus

greater tubercle of humerus

43

action of supraspinatus

abduction of arm

44

innervation of supraspinatus

suprascapular

45

origin of infraspinatus

infraspinous fossa of scapula

46

insertion of infraspinatus

greater tubercle of humerus

47

action of infraspinatus

lateral rotation of arm

48

innervation of infraspinatus

suprascapular

49

origin of teres minor

lateral border of scapula

50

insertion of teres minor

greater tubercle of humerus

51

action of teres minor

lateral rotation of arm

52

innervation of teres minor

axillary

53

origin of subscapularis

subscapular fossa of scapula

54

insertion of subscapularis

lesser tubercle of humerus

55

action of subscapularis

medial rotation of arm

56

innervation of subscapularis

subscapular