extensor hallucis brevis (muscle)
intrinsic muscle of dorsum of foot considered by some anatomists as the medial belly of the extensor digitorum brevis muscle; origin, dorsal calcaneus; insertion, via a stout tendon into the dorsal aspect of the base of the proximal phalanx of the great toe; action, extends great toe; nerve supply, deep fibular.
Synonym(s): musculus extensor hallucis brevisTA, short extensor (muscle) of great toe
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