Muscles of Anterior Forearm Osseofascial Compartment

Question 1

pronator teres humeral head (origin)

Answer 1

medial epicondyle of humerus

Question 2

pronator teres ulnar head (origin)

Answer 2

medial border of coronoid process of ulna

Question 3

pronator teres (insertion)

Answer 3

lateral aspect of shaft of radius

Question 4

pronator teres (nerve)

Answer 4

median nerve

Question 5

pronator teres (action)

Answer 5

pronation and flexion of forearm

Question 6

flexor carpi radialis (origin)

Answer 6

medial epicondyle of humerus

Question 7

flexor carpi radialis (insertion)

Answer 7

bases of second and third metacarpal bones

Question 8

flexor carpi radialis (nerve)

Answer 8

median nerve

Question 9

flexor carpi radialis (action)

Answer 9

flexes and abducts hand at wrist joint

Question 10

palmaris longus (origin)

Answer 10

medial epicondyle of humerus

Question 11

palmaris longus (insertion)

Answer 11

flexor retinaculum and palmar aponeurosis

Question 12

palmaris longus (nerve)

Answer 12

median nerve

Question 13

palmaris longus (action)

Answer 13

flexes hand

Question 14

flexor carpi ulnaris humeral head (origin)

Answer 14

medial epicondyle of humerus

Question 14

flexor carpi ulnaris ulnar head (origin)

Answer 14

medial aspect of olecranon process and posterior border of ulna

Question 14

flexor carpi ulnaris (insertion)

Answer 14

pisiform bone, hook of hammate, and base at fifth metacarpal bone

Question 15

flexor carpi ulnaris (nerve)

Answer 15

ulnar nerve

Question 16

flexor carpi ulnaris (action)

Answer 16

flexes and adducts hand at wrist joint

Question 17

flexor digitorum superficialis humeroulnar head (origin)

Answer 17

medial epicondyle of humerus; medial border of coronoid process of ulna

Question 18

flexor digitorum superficialis radial head (origin)

Answer 18

oblique line on anterior surface of shaft of radius

Question 19

flexor digitorum superficialis (insertion)

Answer 19

middle phalanx of medial four fingers

Question 20

flexor digitorum superficialis (nerve)

Answer 20

median nerve

Question 21

flexor digitorum superficialis (action)

Answer 21

flexes middle phalanx of fingers and assists in flexing proximal phalanx and hand

Question 22

flexor pollicis longus (origin)

Answer 22

anterior surface of shaft of radius

Question 23

flexor pollicis longus (insertion)

Answer 23

distal phalanx of thumb

Question 24

flexor pollicis longus (nerve)

Answer 24

anterior interosseous branch of median nerve

Question 25

flexor pollicis longus (action)

Answer 25

flexes distal phalanx of thumb

Question 26

flexor digitorum profundus (origin)

Answer 26

anteromedial surface of shaft of ulna

Question 27

flexor digitorum profundus (insertion)

Answer 27

distal phalanges of medial four fingers

Question 28

flexor digitorum profundus (nerve)

Answer 28

ulnar nerve (medial half) and median nerve (lateral half)

Question 29

flexor digitorum profundus (action)

Answer 29

flexes distal phalanx of medial four fingers; then assists in flexion of middle and proximal phalanx and wrist

Question 30

pronator quadratus (origin)

Answer 30

anterior surface of shaft of ulna

Question 31

pronator quadratus (insertion)

Answer 31

anterior surface of shaft of radius

Question 32

pronator quadratus (nerve)

Answer 32

anterior interosseous branch of median nerve

Question 33

pronator quadratus (action)

Answer 33

pronates forearm