MOD 2: Proximal UE actions

Question 1

trapezius (upper fibers)

Answer 1

elevates and upwardly rotates scapula

Question 2

trapezius (middle fibers)

Answer 2

retracts scapula

Question 3

trapezius (lower fibers)

Answer 3

depresses and upwardly rotates the scapula

Question 4

levator scapulae

Answer 4

elevates and downwardly rotates scapula

Question 5

rhomboid minor

Answer 5

retracts and downwardly rotates the scapula (also keeps scapula flat against thoracic cage)

Question 6

rhomboid major

Answer 6

retracts and downwardly rotates the scapula (also keeps scapula flat against thoracic cage)

Question 7

serratus anterior

Answer 7

protracts and upwardly rotates the scapula

Question 8

pectoralis minor

Answer 8

depresses and protracts the scapula

Question 9

pectoralis major

Answer 9

adducts, IR of humerus at GH joint, extension from a flexed position

Question 10

latissimus dorsi

Answer 10

extends, adducts, and IR humerus at GH joint

Question 11

deltoid (anterior fibers)

Answer 11

flexion and IR humerus at GH joint

Question 12

deltoid (middle fibers)

Answer 12

abduction humerus at GH joint

Question 13

deltoid (posterior fibers)

Answer 13

extension and ER humerus at GH joint

Question 14

supraspinatus

Answer 14

abduction humerus at GH joint

Question 15

infraspinatus

Answer 15

ER humerus at GH joint

Question 16

teres minor

Answer 16

ER humerus at GH joint

Question 17

teres major

Answer 17

adduction, IR humerus at GH joint

Question 18

subscapularis

Answer 18

adduction, IR humerus at GH joint

Question 19

coracobrachialis

Answer 19

flexion and adduction of humerus at GH joint

Question 20

biceps brachii

Answer 20

flexion at forearm of humeroradial joint, supination at radioulnar joint

Question 21

triceps brachii

Answer 21

extension of forearm at humeroulnar joint

Question 22

brachialis

Answer 22

flexion at humeroulnar joint