... upper-body workout! First, it tones your midsection as you perform effective crunches at ANY fitness level. ... of Adult exercise equipment and Children exercise equipment, such as treadmill, upright bike, fitness bike, recumbent bike, ... , trampoline, rowing machine, AB machines and so on. All products are produced under strict standard of quality ... Time, Count, Calories AB ROLLER ABR-2 AS SEEN ON TV