Plantar Fasciosis (Plantar Fasciitis) By Kendrick Alan Whitney, DPM, Temple University School of Podiatric Medicine Reviewed / Revised Oct 2021 | Modified Sep 2022 View Patient Education Etiology Symptoms and Signs Diagnosis Treatment Key Points Topic Resources Heel Spur How to Examine the Foot How To Examine the Ankle Plantar fasciosis is pain at the site of the attachment of the plantar fascia and the calcaneus (calcaneal enthesopathy), with or without accompanying pain along the medial band of the plantar fascia.