Extensor hallucis longus muscle
| 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 | |
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 causes dorsiflexion of the foot. It also assists with foot eversion and inversion.