Whats the earliest age at which JUMPSOLES can be effectively used?
A rule of thumb is: you are ready if your shoe size is at least 5, or you are at least 12 years old. While your musculature is not quite ready to do intensive plyometrics or power lifting at this age, your neural system is ready to learn the proper mechanics of jumping and sprinting. JUMPSOLES condition your motor neural pathways so that you power off your forefoot for maximum jump height and stride length.
