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Peroneus Longus

Peroneus Longus is one of the peroneals muscle group which pass down the outside of the lower leg and evert (turn out) the foot. These muscles are sometimes referred to as fibularis longus and brevis due to their attchments on the fibula.


  • Head of fibula.
  • Upper 2/3 of fibula.


  • Base of underside of first metatarsal.
  • Undersurfaces of cuneiforms.


  • Eversion.
  • Plantarflexion.


  • Superficial peroneal (fibular) nerve.

Daily uses

  • Walking on uneven surfaces.

Example strengthening exercises

Example stretches