Supinator muscle

In human anatomy, the supinator is a broad muscle in the posterior compartment of the forearm, curved around the upper third of the radius. Its function is to supinate the forearm.[1]

Supinator muscle
Posterior view of the supinator. (Right arm.)
OriginLateral epicondyle of humerus, supinator crest of ulna, radial collateral ligament, annular ligament
InsertionLateral proximal radial shaft
ArteryRadial recurrent artery
NerveDeep branch of the radial nerve
ActionsSupinates forearm
AntagonistPronator teres, pronator quadratus
Latinmusculus supinator
Anatomical terms of muscle

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