Extensor hallucis brevis muscle
The extensor hallucis brevis is a muscle on the dorsal surface of the foot which helps to extend the big toe.
Summary
-
origin
- superolateral surface of calcaneus
-
insertion
- base of proximal phalanx of great toe
-
action
- extension of metatarsophalangeal joint of great toe
- arterial supply
- innervation
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