short radial extensor of wrist

short radial extensor of wrist

A hand muscle originating at the lateral epicondyle of humerus, radial collateral ligament of elbow joint and lateral intermuscular septum.
 
Action
Extends and abducts hand at wrist joint, acting in concert with the finger flexors to steady the wrist.

Nerve
Deep branch of radial nerve.

Insertion
Posterior base of third metacarpal and adjacent second metacarpal.
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