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Extensor hallucis brevis

Other Terms: Musculus extensor hallucis brevis, Muscle court extenseur de l'hallux

Muscle parts

None

Latin name

Musculus extensor hallucis brevis

Latin muscle parts

None

Group

Foot muscle – dorsal group

Etymology

In English this muscle’s name is the short muscle that straightens the big toe. The word extensor comes from the Latin ex meaning “out from” and tendere meaning “to stretch.” The term hallucis is from the Latin hallux, which originally arose from the Greek halmos meaning “to leap or spring.” The big toe was so-named because of its functional role in leaping. Brevis is the Latin term meaning “short.” This is being used as a comparative reference to a longer muscle that does the same thing.

Origin

Dorsal surface of the calcaneus.

Insertion

Dorsal surface of the base of the proximal phalanx of the big toe.

Action

Assists with extension of the big toe.

Nerve supply

Deep peroneal nerve (L5 and S1)

Blood supply

The perforating branch of the peroneal artery, anterior lateral malleolar artery, lateral tarsal arteries, dorsalis pedis artery, arcuate artery, first dorsal metatarsal artery, and dorsal digital arteries.

Latin

Musculus extensor hallucis brevis

French

Muscle court extenseur de l'hallux

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