Lateral Compartment Of Forearm

Question 1

Extensor carpi radialis longus

Answer 1

O: lateral supracondylar ridge of humerus

I: base of posterior surface of 2nd metacarpal

N: radial n.

A: extend and abduct hand at wrist joint

Question 2

Brachioradialis

Answer 2

O: lateral supracondylar ridge of humerus

I: base of styloid process of radius

N: radial n.

A: flex forearm at elbow joint and rotate forarm to midprone position