Medial and Lateral Plantar Nerve Anatomy

This schematic drawing of the medial aspect of the right ankle and foot illustrates the site of entrapment of the tibial nerve.

(1) Tendon of the posterior tibial muscle

(2) Tendon of the flexor digitorum longus muscle

(3) Tibial nerve

(4) Flexor retinaculum

(5) Medial plantar nerve

(6) Lateral plantar nerve