extensor digiti minimi (muscle)

(redirected from extensor (muscle) of little finger)

ex·ten·sor di·gi·ti mi·ni·mi (mus·cle)

[TA]
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).