1. Hydraulically adjustable angle for endless variation
 2. Natural dorsal flexion movement of the footrest in the pushing section easy angle change even while the machine is in use
 3. Adjustable foot platform by angle
 Sled travels on concave high-density nylon wheels and stainless steel rails (rather than traditional
 4. linear bearings and guide rods) for smoother operation.
 5. Adjustable lower safety stop provides security for users of various heights/ranges of motion