The arc Cybex 750AT is the total body cross training workout machine available for your everyday cardio and strength workouts. A Commercial High End cross trainer created for the most demanding users in the most demanding environment. The versatility of the Certified Pre-Owned CYBEX 750AT also makes it the workout of choice for beginning cross trainers – which allows the fitness center owner to purchase one unit to be used by all. CROSS TRAINERS VS ELLIPTICALS: Not all cross trainers are created equal. Cross training refers to working various parts of the body by combining different exercises in a variety of ways. Typically one activity or sport trains certain parts of the body but not others. Cross training aims to eliminate this. Cross trainers are generally non-impact machines – sometimes called “ellipticals” – which refers to a specific motion. All ellipticals are cross trainers but not all cross trainers are ellipticals. BURNS MORE CALORIES: More results in less time. Research shows that the CYBEX Arc Trainer burns more calories than any other cross trainer or elliptical cross trainer tested. The science behind the Arc Trainer’s big calorie burn is the Arc motion. It engages the right muscles – quads and glutes – that demand lots of energy from the body when they are called upon to work. That means big calorie burn. And … because the Arc is demanding of the muscles – not the joints, it can be used longer without putting a strain on the knees, hip or back. THREE MACHINES IN ONE: Train for strength, power, endurance, cardio, and weight loss. The CYBEX Arc Trainer offers broad incline and resistance ranges which mean it is really 3 machines in one. At the lower incline levels, the “glide” is a cross country skier. In the mid-range levels, the motion is a “stride” (like an elliptical except with proper positioning). At the high levels, the “climb” of a stepper or climber. Glide, Stride, and Climb.