Anterior Compartment of Forearm

Question 1

Overall action of anterior forearm compartment

Answer 1

Flexion of wrist & fingers
Pronation

Question 2

What nerve supplies all bar 2 muscles of anterior compartment

Answer 2

Median nerve

Question 3

What are the 2 muscles not supplied by median nerve

Answer 3

Flexor carpi ulnaris
Flexor digitorum profundus (ring & pinky fingers)
= Ulnar nerve

Question 4

What are the 4 muscles of superficial anterior forearm compartment

Answer 4

Palmaris longus
Pronator teres
Flexor carpi radialis
Flexor carpi ulnaris

Question 5

Palmaris longus action & origins

Answer 5

Flexion of wrist
medial epicondyle humerus to palmar aponeurosis

Question 6

Pronator teres action & origin

Answer 6

Pronation of forearm
medial epicondyle humerus & coracoid process of ulnar to mid-shaft radius

Question 7

Flexor carpi radialis action & origin

Answer 7

Flexion & abduction wrists
medial epicondyle humerus to radial side base of metacarpals II and III

Question 8

Flexor carpi ulnaris action and origin

Answer 8

Flexion & adduction wrist
medial epicondyle humerus to ulnar side of pisiform carpal bone
(ULNAR NERE SUPPLY)