Here is how I was taught, or what I have understood over the years. STJ is torque converter of the body. In cycling as the leg flexes and extends rotation is created, i.e. toque. The base of support is the foot at the pedal. Yes the forefoot bearing the load of ground reaction force. If there is excessive leg rotation, excessive being defined as motion that creates weekness or compensation some where else, we should try to control it. If the rotation is a result of something funky at the fore foot we address it with either floating cleates, cooll shoes and or posting, or any combo there of. If the rotation is a result of mid tarsal dysfunction we still try to help control it. If the dysfuntion is at the STJ we still try to control it as this is the torque converter. The shoes' heel counter is not high enough to control this torque. That being said posting the heel can and does help in cycling.If a person cycled with a ski boot on we would then be dealing with the problem diferently.It would be interesting for you guys with pressure mats to put a pressure deal in a cycling shoe and see what we get.