83 Pronator teres
Origin:
Humeral head - Medial epicondyle of humerus (common flexor origin)
Ulnar head - Coronoid process of ulna
Insertion:
Middle of convexity of lateral surface of radius
Blood Supply:
Anterior ulnar recurrent artery
Innervation:
Median nerve (C6, C7)
Main Action:
Pronates and flexes forearm (at elbow)