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 fibula). - 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.