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Flashcards in SHOULDER MUSCLES LIST Deck (33)
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1

actions of supraspinatus

abducts arm

2

actions of infraspinatus

adducts and laterally rotates arm

3

actions of teres major

extends, adducts and medially rotates arm

4

actions of deltoid

flex and medially rotate arm. Prime mover of arm abduction. Extend and laterally rotate arm

5

actions of subscapularis

medially rotates arm

6

actions of pectorals major

agonist of arm flexion; also adducts and medially rotates arm

7

actions of trapezius

elevate and superiorly rotate scapula, retract and depress scapula

8

actions of latissimus dorsi

agonist of arm extension, also adducts and medially rotates arm

9

actions of teres minor

adducts and laterally rotates arm

10

origins of supraspinatus

supraspinous fossa of scapula

11

origins of infraspinatus

infraspinous fossa of scapula

12

origins of teres major

posterior aspect of inferior angle of scapula

13

origins of teres minor

lateral border of scapula

14

origins of deltoid

clavicle, acromion and spine of scapula

15

origins of subscapularis

subscapular fossa

16

origins of pectoralis major

anterior border of medial half of clavicle, anterior surface of sternum, superior six costal cartilages

17

origins of pectoralis minor

3-5 rib

18

origins of rhomboid major

spines process of T2-T5

19

origins of rhomboid minor

nuchal ligaments of and spinous process of C& and T1

20

origins of trapezius

spinous process of C1-T12

21

origins of latissimus dorsi

spinous process of T7-T5, thoracolumbar fascia, iliac crest, inferior 3 or 4 ribs, inferior angle of scapula

22

insertions of supraspinatus

superor facet of greater tubercle of humerus

23

insertions of infraspinatus

middle facet of greater tubercle of humerus

24

insertions of teres major

medial lip of inter tubercular sulcus of humerus

25

insertions of teres minor

inferior facet of greater tubercle of humerus

26

insertions of deltoid

deltoid tuberosity

27

insertions of subscapularis

lesser tubercle of humerus

28

insertions of pectoralis major

lateral lip of bicipital groove of humerus

29

insertions of pectoralis minor

coracoid process

30

insertions of rhomboid major

medial border of scapula