Shoulder

Question 1

Origin of trapezius

Answer 1

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

Question 2

Insertion of trapezius

Answer 2

acromion
clavicle
spine of scapula

Question 3

Innervation of trapezius

Answer 3

CN XI, C3, C4

Question 4

Function of trapezius

Answer 4

elevates, retracts and rotates scapula

Question 5

Origin of latissimus dorsi

Answer 5

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

Question 6

Insertion of latissimus dorsi

Answer 6

intertubercular groove of humerus

Question 7

Innervation of latissimus dorsi

Answer 7

thoracodorsal nerve

Question 8

Function of latissimus dorsi

Answer 8

extends, adducts and internally rotates arm

Question 9

Origin of levator scapulae

Answer 9

transverse processes C1-C4

Question 10

Insertion of levator scapulae

Answer 10

medial border of scapula

Question 11

Innervation of levator scapulae

Answer 11

C3, C4, dorsal scapular nerve

Question 12

Function of levator scapulae

Answer 12

elevates scapula and bends spine

Question 13

Origin of deltoid

Answer 13

clavicle, acromion, spine of scapula

Question 14

Insertion of deltoid

Answer 14

deltoid tuberosity of humerus

Question 15

Innervation of deltoid

Answer 15

axillary nerve

Question 16

Function of deltoid

Answer 16

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

Question 17

Origin of supraspinatus

Answer 17

supraspinous fossa

Question 18

Insertion of supraspinatus

Answer 18

greater tuberosity of humerus

Question 19

Innervation of supraspinatus

Answer 19

suprascapular nerve

Question 20

Function of supraspinatus

Answer 20

abducts arm

Question 21

Origin of infraspinatus

Answer 21

infraspinous fossa

Question 22

Insertion of infraspinatus

Answer 22

greater tuberosity

Question 23

Innervation of infraspinatus

Answer 23

suprascapular nerve

Question 24

Function of infraspinatus

Answer 24

externally rotates arm

Question 25

Origin of teres minor

Answer 25

lateral border of scapula

Question 26

Insertion of teres minor

Answer 26

greater tuberosity

Question 27

Innervation of teres minor

Answer 27

axillary nerve

Question 28

Function of teres minor

Answer 28

externally rotates and weakly adducts arm

Question 29

Origin of teres major

Answer 29

inferior angle of scapula

Question 30

Insertion of teres major

Answer 30

intertubercular groove of humerus

Question 31

Innervation of teres major

Answer 31

subscapular nerve

Question 32

Function of teres major

Answer 32

extends, internally rotates and adducts arm

Question 33

Origin of subscapularis

Answer 33

subscapular fossa

Question 34

Insertion of subscapularis

Answer 34

lesser tuberosity

Question 35

Innervation of subscapularis

Answer 35

subscapular nerve

Question 36

Function of subscapularis

Answer 36

internally rotates arm

Question 37

Origin of pectoralis major

Answer 37

clavicle, sternum, costal cartilages 2-6

Question 38

Insertion of pectoralis major

Answer 38

intertubercular groove of humerus

Question 39

Innervation of pectoralis major

Answer 39

medial and lateral pectoral nerves

Question 40

Function of pectoralis major

Answer 40

flexes and adducts arm

Question 41

Name the rotator cuff muscles

Answer 41

supraspinatus infraspinatus subscapularis teres minor