Extensor Digitorum Longus

Extensor digitorum longus (often shortened to EDL) is found in the front of the lower leg, in the outer more muscle bound compartment.

Origin

  • Lateral condyle of the tibia.  
  • Head and anterior surface of the fibula.
  • Interosseous membrane (between tibia and fibia).  

Insertion

  • Dorsal (top) surface of the middle and end phalanges of the four outer toes.

Actions

  • Extends toes.  
  • Dorsiflexion.  
  • Eversion.  

Innervation

  •   Peroneal (Fibular) nerve.  

Daily uses

  •   Walking upstairs and making sure the toes clear the steps.  

Example strengthening exercises

Example stretches

Related injuries

Related muscles