Achilles Tendon Enthesopathy By Kendrick Alan Whitney, DPM, Temple University School of Podiatric Medicine Reviewed / Revised Oct 2021 | Modified Sep 2022 View Patient Education Treatment Topic Resources How to Examine the Foot How To Examine the Ankle Standing Gastrocnemius Stretch Achilles tendon enthesopathy is pain at the insertion of the Achilles tendon at the posterosuperior aspect of the calcaneus.