This type of equipment is to place your forearms flat on each armrest, with your back flat on the mat. Relax your abdominal muscles and bend your knees slightly. Squeeze your abdominal muscles and then lift your torso up off the mat toward your knees. Return to the original position with your back flat on the mat. Relax your abdominal muscles and bend your knees slightly. Squeeze your abdominal muscles and bend your knees toward your chest as far as you can go and hold for a few seconds before extending them to the beginning position. This exercise was number two in a San Diego State University survey that ranked the top abdominal exercises and equipment. Next step... buy a piece of equipment before buying and avoid those that make claims that sound too good to be true - they probably are. As a matter of fact... beginner exercisers don't use 2/3 of the home exercise equipment to augment, vary and diversify your physical training with the confidence that you will actually use it. According to Consumer's Union, it