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extensor carpi radialis brevis (muscle)


Definition: muscle of posterior compartment of forearm; origin, lateral epicondyle of humerus; insertion, base of third metacarpal bone; action, extends and abducts hand at wrist joint; nerve supply, deep radial.

Synonym(s): musculus extensor carpi radialis brevisTA, short radial extensor muscle of wrist

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.