Since the human body is formed with a symmetric structure, this product gives the fast blood circulation by making all big muscle to do distortion exercise each other toward a reverse direction.
And it is designed for arising motility between the minimal degree of 80, which is a reverse degree of muscle tensile degree, and the maximum degree of 130 with using an internal gear. The leg
stand of Power Zone can be adjusted to 35 degree of up and down, and it allows men and women of all ages to use with built-in ring gear, pinion gear, and bearing.