Ventral Forearm and Wrist

Question 1

Pronator Teres O

Answer 1

ulnar head: coronoid process of ulna

humeral head: medial epicondyle of humerus

Question 2

pronator teres I

Answer 2

middle of convexity of lateral surface of radius

Question 3

pronator teres innervation

Answer 3

median nerve (C6, C7)

Question 4

pronator teres action

Answer 4

pronates and flexes forearm

Question 5

flexor carpi radialis O

Answer 5

medial epicondyle of humerus

Question 6

flexor carpi radialis insertion

Answer 6

base of 2nd (3rd) metacarpal

Question 7

flexor carpi radialis innervation

Answer 7

median nerve (C6, C7)

Question 8

flexor carpi radialis action

Answer 8

flexes and abducts hand at wrist

Question 9

palmaris longus O

Answer 9

medial epicondyle of the humerus

Question 10

palmaris longus I

Answer 10

distal half of flexor retinacula

palmar aponeurosis

Question 11

palmaris longus innervation

Answer 11

median nerve (C7, C8)

Question 12

palmaris longus action

Answer 12

flexes hand (at wrist) and tenses palmar aponeurosis

Question 13

flexor digitorum superficialis O

Answer 13

humero-ulnar head: medial epicondyle of huemrus and coronois process of ulna

radial head: oblique line of radius

Question 14

flexor digitorum superficialis I

Answer 14

shafts (bodies) of middle phalanges of medial four digits

Question 15

flexor digitorum superficialis innervation

Answer 15

median nerve ( C7 - T1)

Question 16

flexor digitorum superficialis action

Answer 16

flexes wrist joint

flexes proximal IP joint of middle four digits
also flexes proximal phalanges at metacarpophalangeal joints

Question 17

flexor carpi ulnaris (humeral head and ulnar head) O

Answer 17

olecranon and posterior border of ulna (via aponeurosis)

Question 18

flexor carpi ulnaris (humeral head and ulnar head) I

Answer 18

pisiform
hook of hamate
5th metacarpal

Question 19

flexor carpi ulnaris (humeral head and ulnar head) innervation

Answer 19

ulnar nerve (C7, C8)

Question 20

flexor carpi ulnaris (humeral head and ulnar head) action

Answer 20

flexes and adducts hand at wrist

Question 21

flexor pollicis longus O

Answer 21

anterior surface of radius and adjacent interosseous membrane

Question 22

flexor pollicis longus I

Answer 22

base of distal phalanx of thumb

Question 23

flexor pollicis longus Innervation

Answer 23

anterior interosseous nerve from median nerve (C8, T1)

Question 24

flexor pollicis longus action

Answer 24

flexes wrist

flexes metacarpophalangeal and interphalangeal joints of thumb

Question 25

flexor digitorum profundus O

Answer 25

proximal three quarters of medial and anterior surfaces of ulna and interosseous membrane

Question 26

flexor digitorum profundus I

Answer 26

bases of distal phalanges of 2nd-5th digits

Question 27

flexor digitorum profundus innervation

Answer 27

lateral part to digits 2 & 3: median nerve (C8 T1) (anterior interosseous branch)

medial part (to digits 4 and 5): ulnar nerve (C8 T1)

Question 28

flexor digitorum profundus action

Answer 28

flexes wrist joint

flexes distal interphalangeal joints of digits 2-5

assists with wrist flexion

Question 29

pronator quadrates O

Answer 29

distal quarter of anterior surface of ulna

Question 30

pronator quadrates I

Answer 30

distal quarter of anterior surface of radius

Question 31

pronator quadrates innervation

Answer 31

anterior interosseous nerve, from median nerve (C8, T1)

Question 32

pronator quadrates action

Answer 32

pronates forearm

deep fibers bind radius and ulna together