ENCOURAGES GLUTEAL TRAINING Curvilinear path of motion encourages gluteal training without relying on hip alignment. MINIMIZES BACK STRESS Adjustable abdominal support and positioning the knee under the hip encourages proper spine alignment and minimizes back stress. SUPERIOR DESIGN FOR EVERY BODY. PRESTIGE STRENGTH VRS The Prestige Glute offers a curvilinear path of motion that doesn\'t rely on hip alignment for gluteal training, while stil encouraging proper spine alignment and minimized back stress with the abdominal support. Biomechanically correct solution for \"walkup and workout\" users. SPECIFICATION: Brand Cybex Usage Home Use, Commercial Use Condition Brand New Warranty 2 Year on Parts, 1 Year Labor, 10 years frame, 120 Days Belts and Cables, Grips and Upholstery