Extensor Hallucis Longus

Extensor Hallucis Longus Muscle

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
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