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Extensor hallucis longus muscle | |
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Details | |
Origin | Arises from the middle portion of the fibula on the anterior surface and the interosseous membrane |
Insertion | Inserts on the dorsal side of the base of the distal phalanx of the big toe |
Artery | Anterior tibial artery |
Nerve | Deep fibular nerve, L5 (L4-S1) |
Actions | Extends (raises) the big toe and assists in dorsiflexion of the foot at the ankle. Also is a weak evertor/invertor |
Antagonist | Flexor hallucis longus, flexor hallucis brevis |
Identifiers | |
Latin | musculus extensor hallucis longus |
TA98 | A04.7.02.040 |
TA2 | 2650 |
FMA | 22533 |
Anatomical terms of muscle |
The extensor hallucis longus muscle is a thin skeletal muscle, situated between the tibialis anterior and the extensor digitorum longus. It extends the big toe and dorsiflects the foot. It also assists with foot eversion and inversion.