The peroneus longus muscle (or fibularis longus) is a major mover and stabilizer of your foot and ankle. The muscle runs down ...

The peroneus longus is an important muscle in your lower leg. It starts at the top of the fibula before running down the outside of the leg and connecting to the foot with the peroneus longus tendon.

Plantar flexion is a movement in which the top of your foot points away from your leg. You use plantar flexion whenever you stand on the tip of your toes or point your toes. Every person’s natural ...