The extensor hallucis longus is the only ankle muscle responsible for extending (pulling back) the big toe.
- Origin: Middle 2/3 of the inner surface of the front of the fibula.
- Insertion: Distal phalanx of the big toe.
- Actions: Extension of the big toe. Dorsiflexion Inversion.
- Innervation: Peroneal (fibular) nerve.
- Daily uses: Walking up the stairs it pulls the big toe up to clear the step.
- Example strengthening exercises: Toe raises.
- Related injuries: Inflammation of the extensor tendons of the toes.
- Related muscles: Extensor digitorum longus & Tibialis anterior