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Abductor hallucis

Other Terms: Musculus abductor hallucis, Muscle abducteur de l'hallux

Muscle parts

None

Latin name

Musculus abductor hallucis

Latin muscle parts

None

Group

Foot muscle – plantar group – first layer

Etymology

In English, this muscle’s name is the muscle that leads the big toe away (from the other toes). Abductor is a term that describes the function or action of the muscle. It literally means to draw or to lead away from and is derived from the Latin ab meaning “away from” and ducere meaning “to lead or to draw.” 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.

Origin

Flexor retinaculum, the medial aspect of the calcaneal tuberosity, and the plantar aponeurosis.

Insertion

Medial side of the base of proximal phalanx of big toe and the medial side of the medial sesamoid bone of the big toe.

Action

Abduction of big toe; important role in deepening the longitudinal plantar arch when pushing off the ground with the toes (as in walking).

Nerve supply

Medial plantar nerve (S1 and S2)

Blood supply

The muscle belly is supplied by the medial malleolar artery, medial calcaneal branches of the lateral plantar artery, and the medial plantar artery. The tendon of the is supplied by the first plantar metatarsal artery.

Latin

Musculus abductor hallucis

French

Muscle abducteur de l'hallux

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