Muscles of Arm

Question 1

Biceps brachii (short head) - P

Answer 1

tip of coracoid process of scapula

Question 2

Biceps brachii (long head) - P

Answer 2

supraglenoid tubercle of scapula and some fibers insert into labrum

Question 3

Biceps brachii - D

Answer 3

tuberosity of radius and fascia of forearm via bicipital aponeurosis

Question 4

Biceps brachii - N

Answer 4

musculocutaneous nerve

Question 5

Biceps brachii - A

Answer 5

forearm supination
elbow flexion when supinated
shoulder flexion
short head resists dislocation of shoulder

Question 6

Brachialis - P

Answer 6

distal half of anterior surface of humerus

Question 7

Brachialis - D

Answer 7

coronoid process and tuberosity of ulna

Question 8

Brachialis - N

Answer 8

musculocutaneous nerve

Question 9

Brachialis - A

Answer 9

elbow flexion in all positions

Question 10

Coracobrachialis - P

Answer 10

tip of coracoid process of scapula

Question 11

Coracobrachialis - D

Answer 11

middle third of medial surface of humerus

Question 12

Coracobrachialis - N

Answer 12

musculocutaneous nerve

Question 13

Coracobrachialis - A

Answer 13

assist shoulder flexion
assist shoulder adduction
resists dislocation of shoulder

Question 14

Triceps brachii (long head) - P

Answer 14

infraglenoid tubercle of scapula

Question 15

Triceps brachii (lateral head) - P

Answer 15

posterior surface of humerus, superior to radial groove

Question 16

Triceps brachii (medial head) - P

Answer 16

posterior surface of humerus, inferior to radial groove

Question 17

Triceps brachii - D

Answer 17

olecranon of ulna and fascia of forearm

Question 18

Triceps brachii - N

Answer 18

radial nerve

Question 19

Triceps brachii - A

Answer 19

elbow extension (chief extensor) 
long head: shoulder extension and resists dislocation of humerus (especially important in ABduction)

Question 20

Anconeus - P

Answer 20

lateral epicondyle of humerus

Question 21

Anconeus - D

Answer 21

lateral surface of olecranon and superior part of posterior surface of ulna

Question 22

Anconeus - N

Answer 22

radial nerve

Question 23

Anconeus - A

Answer 23

assists triceps in elbow extension
stabilizes elbow
ABducts ulna during pronation