Extensor hallucis longus
Musculus extensor hallucis longus
MuscularDeep musclesLegLeft and right
View left in 3D View right in 3D
- What it is
- Thin muscle hidden between tibialis anterior and extensor digitorum longus, arising from the middle of the anterior fibula and the interosseous membrane.
- Function
- Extends the great toe and helps dorsiflex the ankle.
- Size
- Belly about 15 cm long.
- Clinical note
- Testing the strength of great-toe extension is the classic check of the L5 nerve root.