Muscle Anatomy

extensor digitorum longus

The extensor digitorum longus is similar to the tibialis anterior and lies next to it on its outside edge.

Origin

The extensor digitorum longus originates on the condyle of the tibia and the upper three-fourths of the fibula.

Insertion

It inserts on the upper side of the four lesser toes.

Function

Ankle joint flexion (dorsi flexion) - raising the foot toward the shin.