Of the Following Muscles of the Forearm, Which One Rotates

Question

Of the following muscles of the forearm, which one rotates the forearm to turn the palm upwards?
A) Supinator
B) Triceps brachii
C) Brachialis
D) Pronator quadratus
E) Brachioradialis

Accepted Answer

The supinator muscle is specifically responsible for supination of the forearm, which is the action of rotating the forearm to turn the palm upwards.