extensor digitorum brevis (muscle)
ex·ten·sor di·gi·to·rum bre·vis (mus·cle)[TA]
intrinsic muscle of dorsum of foot; origin, dorsal surface of calcaneus; insertion, by four tendons fusing with those of the extensor digitorum longus, and by a slip attached independently to the base of the proximal phalanx of the great toe; action, extends four lateral toes (II-V); nerve supply, deep fibular.
Synonym(s): musculus extensor digitorum brevis [TA], musculus extensor brevis digitorum, short extensor (muscle) of toes
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