Origin:
HUMERAL head: from medial epicondylar ridge of the Humerus and the common forearm flexor origin
ULNAR head: from the medial side of coronoid process of the Ulna
Insertion: Middle of lateral surface of the Radius
Function: Pronates the Forearm, along with other muscles which pronate the forearm secondary Elbow flexor along with other muscles which flex the elbow
Nerve: Median Nerve
Artery: Anterior Ulnar Recurrent artery