Unit is specifically designed to strengthen and tone glutes, by engineering movement that totally isolates gluteal, hamstring, and quadriceps muscles * Quality rollers, comfortable pads, and simple adjustments make this an easy unit to use at home for fitness enthusiasts of all levels * Works each leg individually for maximum isolation of gluteus maximus, medius, and minimus; adjustable forearm pads slide to accommodate users of any height * Standard weight horn allows you to load weights to increase resistance; weights and adapter sleeves sold separately * Includes limited ten-year manufacturer"s warranty on frame and one-year manufacturer"s warranty on all other parts