| Distally, it branches off, and attaches to the supinator crest. |
| It functions as the primary supinator of the forearm and the secondary flexor of the forearm along with the brachialis. |
| The humerus is remarkable for the great development of the supinator ridge. |
| The supinators include the supinator and biceps brachii muscles. |
| Here the artery lies in the interval between the supinator longus and the pronator radii teres. |
| It may also join the supinator, the tendon of pronator teres, or the ulna. |
