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Flashcards in Shoulder Deck (41):
1

Origin of trapezius

external occipital protuberance and crest
nuchal ligament
spinous processes C7-T12

2

Insertion of trapezius

acromion
clavicle
spine of scapula

3

Innervation of trapezius

CN XI, C3, C4

4

Function of trapezius

elevates, retracts and rotates scapula

5

Origin of latissimus dorsi

spinous process T7-T12
thoracolumbar fascia
iliac crest
ribs 9-12
inferior angle of scapula

6

Insertion of latissimus dorsi

intertubercular groove of humerus

7

Innervation of latissimus dorsi

thoracodorsal nerve

8

Function of latissimus dorsi

extends, adducts and internally rotates arm

9

Origin of levator scapulae

transverse processes C1-C4

10

Insertion of levator scapulae

medial border of scapula

11

Innervation of levator scapulae

C3, C4, dorsal scapular nerve

12

Function of levator scapulae

elevates scapula and bends spine

13

Origin of deltoid

clavicle, acromion, spine of scapula

14

Insertion of deltoid

deltoid tuberosity of humerus

15

Innervation of deltoid

axillary nerve

16

Function of deltoid

flexes, extends, internally rotates, externally rotates, abducts and adducts arm

17

Origin of supraspinatus

supraspinous fossa

18

Insertion of supraspinatus

greater tuberosity of humerus

19

Innervation of supraspinatus

suprascapular nerve

20

Function of supraspinatus

abducts arm

21

Origin of infraspinatus

infraspinous fossa

22

Insertion of infraspinatus

greater tuberosity

23

Innervation of infraspinatus

suprascapular nerve

24

Function of infraspinatus

externally rotates arm

25

Origin of teres minor

lateral border of scapula

26

Insertion of teres minor

greater tuberosity

27

Innervation of teres minor

axillary nerve

28

Function of teres minor

externally rotates and weakly adducts arm

29

Origin of teres major

inferior angle of scapula

30

Insertion of teres major

intertubercular groove of humerus

31

Innervation of teres major

subscapular nerve

32

Function of teres major

extends, internally rotates and adducts arm

33

Origin of subscapularis

subscapular fossa

34

Insertion of subscapularis

lesser tuberosity

35

Innervation of subscapularis

subscapular nerve

36

Function of subscapularis

internally rotates arm

37

Origin of pectoralis major

clavicle, sternum, costal cartilages 2-6

38

Insertion of pectoralis major

intertubercular groove of humerus

39

Innervation of pectoralis major

medial and lateral pectoral nerves

40

Function of pectoralis major

flexes and adducts arm

41

Name the rotator cuff muscles

supraspinatus
infraspinatus
subscapularis
teres minor