extensor digiti minimi (muscle)
Definition: muscle of posterior (extensor) compartment of forearm; origin, lateral epicondyle of humerus; insertion, dorsum of proximal, middle, and distal phalanges of little finger; action, extends little finger; nerve supply, radial (posterior interosseous).
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.