Medial and Lateral Plantar Nerve Entrapment By Kendrick Alan Whitney, DPM, Temple University School of Podiatric Medicine Reviewed / Revised Oct 2021 | Modified Sep 2022 View Patient Education Diagnosis Treatment Topic Resources Medial and Lateral Plantar... How to Examine the Foot How To Examine the Ankle Medial and lateral plantar nerve entrapment is symptomatic compression of the medial and / or lateral branches of the posterior tibial nerve at the medial heel and proximal arch.