Muscle
Flexor hallucis longus
Flexes the big toe, push-off
High-yield
Push-off power for the great toe; tibial nerve. Tendon is the "Harry" behind the medial malleolus.
Overview
A powerful deep posterior leg muscle that flexes the great toe and provides the final push-off in walking and running.
Reference facts
- Origin
Posterior surface of the fibula and interosseous membrane
- Insertion
Base of the distal phalanx of the great toe
- Action
Flexes the great toe and plantarflexes the ankle; supports the medial arch
- Innervation
Tibial nerve (S1, S2, S3)
- Blood supply
Fibular (peroneal) artery