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.