ventral forearm

Question 0

flexor carpi radialis (superficial)

Answer 0

PA: medial epicondyle of humerus
DA: base of 2nd (3rd) metacarpal
N: median N (C6,7)
MA: flexes and abducts hand

Question 1

Prontator teres (superficial)

Answer 1

PA: Ulnar head: coronoid process of ulna
Humeral head: medial epicondyle of humerus
DA: middle of convexity of lateral surface of radius
N: Median N. (C6,C7)
MA: pronates and flexes forearm

Question 2

palmaris longus (superficial)

Answer 2

PA: medial epicondyle of humerus
DA: distal half of flexor retinaculum, palmar aponeurosis
N: median N. (C7,8)
MA: flexes hand and tenses palmar aponeurosis

Question 3

flexor carpi ulnaris (superficial)

Answer 3

PA: olecranon and posterior border of ulna (via aponeurosis)
DA: pisiform, hook of hamate, 5th metacarpal
N: ulnar N. (C7, C8)
MA: flexes and adducts hand

Question 4

flexor digitorum superficialis (intermediate)

Answer 4

PA: humero-ulnar head: medial epicondyle of humerus and coronoid process of ulna
Radial head: oblique line of radius
DA: shafts of middle phalanges of medial four digits
N: median nerve (C7,8, T1)
MA: flexes wrist, flexes middle 4 digits (not tips)

Question 5

flexor digitorum profundus (deep)

Answer 5

PA: proximal three quarters of medial / anterior surface of ulna and interosseous membrane
DA: bases of distal phalanges of 2-5 digits
N: 2-3 digits – medial nerve (C8, T1)
4-5 digits – ulnar nerve (C8,T1)
MA: flexes wrist, flexes distal digits 2-5

Question 6

flexor pollicis longus (deep)

Answer 6

PA: anterior surface of radius and adjacent interosseous membrane
DA: base of distal phalanx of thumb
N: anterior interosseous N. from median nerve (C8,T1)
MA: flexes wrist; flexes joints of thumb

Question 7

Pronator quadratus (deep)

Answer 7

PA: distal quarter of anterior surface of ulna
DA: distal quarters of anterior surface of radius
N: anterior interosseous N. from median N. (C8,T1)
MA: pronates forearm; deep fibers bind radius and ulna together