Muscle Anatomy

peroneus longus

The Peroneus Longus is a long, slender muscle located on the lateral side of the leg.

Arises from the head and upper two-thirds of the lateral fibula.

Inserts into the first metatarsal and medial cuneiform.

Contributes to eversion of the foot and plays a role in plantar flexion, aiding in pointing the toes downward.