Yeah, not quite the same but my arches stabilised by moving to a more forward strike - mid to forefoot. We've been careful with my son who is now 6 to have flex

Yeah, not quite the same but my arches stabilised by moving to a more forward strike - mid to forefoot. We've been careful with my son who is now 6 to have flexible soled shoes and he naturally runs like this (may not be related, but interesting to note).