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 muscle, forearm, picture

Supinator Video

Supinator muscle
Forearm & Hand 4990021123528928081

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