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
-
Toe raises.
Example stretches
- Shin stretch.
- Standing shin stretch.
- Advanced shin stretch.
Related injuries
- Inflammation of the extensor tendons of the foot.
Related muscles
- Tibialis anterior.
- Extensor hallucis longus.
