Cuxson gerrardpro nation insoles cuxson gerrard pro nation orthotics offer an immediate solution as you walk your feet roll in as they drive the next step this motion is called pronation excessive pronation can cause pain in the foot leg and back the orthotics can be cut to length following the markings by the toe area wear the orthotics for a few hours a day to start with until feet are accustomed to the improved support always wear in closed shoes