MOINA Muscles of the Lateral Fascial Compartment of the Forearm

Question 1

brachioradialis

Answer 1

origin: lateral supracondylar ridge of the humerus
insertion: base of styloid process of the radius

nerve: radial nerve

flexes forearm atridge of humerus elbow joint; rotates forearm to midprone position

Question 2

extensor carpi radialis longus

Answer 2

origin: lateral supracondylar ridge of humerus
insertion: posterior surface of base of second metarpal bone

nerve: radialis

extends and abducts hand at wrist joint