pronator teres (muscle)

(redirected from round pronator muscle)

pro·na·tor te·res (mus·cle)

muscle of superficial layer of anterior compartment of forearm; origin, superficial (humeral) head from the common flexor origin on the medial epicondyle of the humerus, deep (ulnar) head from the medial side of the coronoid process of the ulna; insertion, middle of the lateral surface of the radius; action, pronates forearm; nerve supply, median.