elbow

Question 1

attachments of biceps brachii

Answer 1

1. long head: supraglenoid tubercle of scapula
2. short head: coracoid process of scapula
3. bicipital tuberosity of radius

Question 2

nerve of biceps

Answer 2

musculocutaneous

Question 3

action of biceps

Answer 3

elbow flexion, forearm supination, and shoulder flexion

Question 4

attachments of brachialis

Answer 4

1. anterior aspect of distal humerus
2. coronoid process of ulna

Question 5

nerve of brachialis

Answer 5

musculocutaneous

Question 6

actions of brachialis

Answer 6

elbow flexion

Question 7

attachments of brachioradialis

Answer 7

1. lateral supracondylar ridge of humerus
2. near styloid process of distal radius

Question 8

nerve of brachioradialis

Answer 8

radial

Question 9

actions of brachioradialis

Answer 9

elbow flexion, pronating, and supinating

Question 10

attachments of triceps

Answer 10

1. Long head: infraglenoid tubercle
2. Lateral head: posterior aspect superior humerus
3. medial head: same as lateral head
4. olecranon process

Question 11

nerve of triceps

Answer 11

radial

Question 12

actions of triceps

Answer 12

elbow extension, long head does shoulder extension

Question 13

attachments of the supinator

Answer 13

1. lateral epicondyle
2. supinator crest of ulna
3. lateral surface of the proximal radius

Question 14

nerve of supinator

Answer 14

radial

Question 15

actions of supinator

Answer 15

supination

Question 16

attachments of pronator teres

Answer 16

1. humeral head: medial epicondyle
2. lateral surface of mid radius

Question 17

nerve of pronator teres

Answer 17

median nerve

Question 18

actions of pronator teres

Answer 18

pronation and elbow flexion

Question 19

attachments of pronator quadratus

Answer 19

1. anterior surface of distal ulna
2. anterior surface of distal radius

Question 20

nerve of pronator quadratus

Answer 20

median

Question 21

actions of pronator quadratus

Answer 21

pronation

Question 22

nerve that supplies elbow flexors

Answer 22

musculocutaneous

Question 23

nerve that supplies elbow extension

Answer 23

radial

Question 24

nerve that supplies pronators

Answer 24

median