Forearm flexor muscles

Question 1

Pronator teres m. (Superficial)

Answer 1

I: Lateral surface of radius
A: Pronate forearm/flex elbow
N: Median nerve
Blood Supply: Ulnar artery, anterior recurrent ulnar a.

Question 2

Flexor carpi radialis m. (Superficial)

Answer 2

I: Base of second metacarpal
A: Flex wrist, ABduct hand
N: Median n.
Blood Supply: Ulnar a.

Question 3

Palmaris longus m. (Superficial)

Answer 3

I: Apex of palmar aponeurosis
A: Flex wrist
N: Median n.
Blood Supply: Ulnar a.

Question 4

Flexor carpi ulnaris m. (Superficial)

Answer 4

I: Hook of hamate, base of 5th carpal bone
A: Flex wrist, ADduct hand
N: Ulnar n.
Blood Supply: Ulnar a.

Question 5

Flexor digitorum superficialis m. (intermediate)

Answer 5

I: Body of middle phalanges
A: Flex forearm, hand @ wrist, and metacarpophalangeal joints
N: Median n.
Blood Supply: Ulnar a.

Question 6

Flexor digitorum profundus m. (deep)

Answer 6

I: Base of distal phalanges

A: Flexes digits 2-5 + assists in flexing wrist

N: Anterior Interosseous n. (part of median n.)

Blood Supply: Anterior interosseous a.

Question 7

Flexor pollicis longus m. (deep)

Answer 7

I: Base of distal phalanx pollex

A: Flex hand, carpometacarpal joint, metacarpophalangeal joint, interphalaneal joint @ 1st digit

N: Anterior Interosseous N.

Blood Supply: Anterior interosseous a.

Question 8

Pronator quadratus m. (deep)

Answer 8

I: Anterior aspect of the distal radius

A: Pronate forearm

N: Anterior interosseous nerve

Blood Supply: Anterior interosseous artery