@KitLaughlin We have hit 100K views on this video; thanks everyone. Don't forget there's a detailed post in the forums about this common problem; the Anti-pronation exercise is only a small part of a larger whole. View it here: https://kitlaughlin.com/forums/index.php?/topic/33-flat-feet-pronation-in-response-to-a-q-from-coach-sommer/& Membership is free; this is how we work.