Module 10 Upper Muscles

Question 1

What does the trapezius do?

Answer 1

Retracts & elevates scapula
(elevates shoulders, shrugging and pulls shoulder blades together)

Question 2

What does the rhomboid major do?

Answer 2

Retracts & inferiorly rotates
scapula (stabilizes scapula during pectoral girdle movements)

Question 3

What does the pectoralis minor do?

Answer 3

Depresses scapula and
elevates ribs (assist with inhalation)

Question 4

What does the pectoralis major do?

Answer 4

flexion, adduction and medial
rotation of humerus

Question 5

What does the Latissimus dorsi do?

Answer 5

extension, adduction and
medial rotation of humerus, depression of scapula

Question 6

What does the deltoid do?

Answer 6

abduction, flexion, extension,
medial, and lateral rotation of humerus

Question 7

What does the biceps brachii do?

Answer 7

flexion and supination of
forearm

Question 8

What does the triceps brachii

Answer 8

extension of forearm

Question 9

What does the Pronator teres do?

Answer 9

pronation of forearm

Question 10

What does the Supinator do?

Answer 10

supination of forearm

Question 11

What does the Flexor carpi ulnaris do?

Answer 11

flexion and adduction of wrist

Question 12

What does the Extensor carpi ulnaris do?

Answer 12

extension and adduction of
wrist

Question 13

What does the Oponens digiti do?

Answer 13

opposition