Supinator muscle
Origin of Supinator
Lateral epicondyle of humerus, radial collateral and annular ligaments, supinator fossa and crest of ulna.
Insertion of Supinator
Lateral, posterior and anterior surfaces of proximal 1/3 of radius.
Muscle Function of Supinator
Supinates forearm (i.e., rotates radius to turn palm anteriorly).
Arterial (Blood) Supply of Supinator
Recurrent interosseous artery.
Supinator Video
Supinator muscle