Peroneus Longus

Peroneus longus ankle muscles

Peroneus Longus is one of the peroneal muscle groups which passes down the outside of the lower leg and everts (turn out) the foot. These muscles are sometimes referred to as fibularis longus and brevis due to their attachments on the fibula.

  • Origin: Head of fibula. Upper 2/3 of fibula.
  • Insertion: Base of underside of first metatarsal.
    Undersurfaces of cuneiforms.
  • Actions: Eversion. Plantarflexion.
  • Innervation: Superficial peroneal (fibular) nerve.
  • Daily uses: Walking on uneven surfaces.
  • Example strengthening exercises: Active eversion with band
  • Example stretches: Peroneals stretch.
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