Supinator muscle :-
Muscle details :-
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 .
lateral epicondyle of humerus , annualar ligament of superior radioulnar joint .
neck and shaft of upper 1\3rd of radius .
Nerve supply :-
deep branch of radial nerve .
supination of forearm when elbow is extended .