Extensor hallucis longus 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.
| Extensor hallucis longus muscle | |
|---|---|
The mucous sheaths of the tendons around the ankle. Lateral aspect. (Ext. hall. long. labeled at upper left.) | |
Animation | |
| 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 | |
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