The supinator muscle is a broad muscle that is curved, covering the superior third of the radius. It gets its name from its function, which is to assist the biceps brachii in supinating, or turning up, the hand.
On this page, you can find all information you'd want about this forearm muscle. Learn its anatomy, view pictures and discover the best exercises for training it.
Use the table of contents (TOC) on the right to easily navigate through this guide.
OriginSuperficial Fibers Deep Fibers Supinator crest of the ulnaLateral epicondyle of the humerusRadial collateral ligamentAnnular ligament
Functions^ up to TOC
DumbbellSeated SupinationLying Supination
MachineStanding SupinationSeated Supination^ up to TOC^ up to TOC
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