If your foot is at a right Angle to your outstretched leg and does not dangle, you have a low ankle-joint axis and will be more comfortable in flat shoes than in high heels.

Result:Unaffected side of hemiplegic patient and normal lower limb were notable different in time parameters, space parameters and knee joint angle(P<0.01).

With a unique 2-piece joint between the axle and the wheel, the same extreme wheel turning angle is divided into two shallower angles without joint binding.