Everyday Muscle.

Extensor Hallucis Brevis

Foot
Often considered the medial part of extensor digitorum brevis rather than a separate muscle.
Function
Extends great toe at MTP joint
Origin
Anterolateral calcaneus
Insertion
Base of proximal phalanx of great toe
Innervation
Deep fibular nerve (L5-S1)
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Extensor Digitorum Brevis Abductor Hallucis Adductor Hallucis Flexor Digitorum Brevis Flexor Digiti Minimi Brevis (Foot) Opponens Digiti Minimi (Foot) Quadratus Plantae Lumbricals (Foot) Plantar Interossei (Foot) Dorsal Interossei (Foot)