| Origin |
Lateral epicondyle of humerus, radial collateral and annular ligaments, supinator fossa and crest of ulna
|
| Insertion |
Lateral, posterior and anterior surfaces of proximal 1/3 of radius
|
| Action |
Supinates forearm (i.e., rotates radius to turn palm anteriorly)
|
| Innervation |
Deep branch of radial nerve (C5 and C6)
|
Arterial
Supply |
Recurrent interosseous artery
|
The medical illustrations contained in this online atlas are copyrighted © 1997 by the University of Washington.
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