horse riding machine engages the thigh,back, abdominal, for no-impact strength training with high-impact results 1. Advanced 3-D virtual reality technology imitates horseback riding experience and helps to build physical strength and endurance 2. All-new 8-curve action with forward/backward tilt and horizontal motion, strengthen abdominal, side, thigh and back muscles 3. Effectively strengthen the spine and helps to maintain a good posture, develop muscles strength and flexibility, trains the nerve system to improve motor function 4. Build muscle strength and raise metabolic rate easily through the smooth "8-shaped" seat movement 5. Basic "8-shaped" movement, together with the forward/backward tilt of the seat, focuses in shaping the waist and the hip