In the event the foot pronates an excessive amount of (ie. flattens far too much when strolling), it's got the unintended consequence of knocking ALL of your foot joints from alignment As you wander or run. Tenderness posterior to medial malleolus and obliquely throughout sole of foot to base of https://www.theorthopaedicandpainpractice.com/a-comprehensive-guide-to-treating-foot-heel-pain/