Maybe you already have a collection of different exercise devices... but you are convinced that with this new contraption you will definitely reach your fitness goals. Some elliptical machines fold up to save space when not in use. They generally fall in the mid to higher price range compared to other types of home fitness equipment, although some can be quite expensive, it is also a very versatile piece that is suitable for exercise enthusiasts of varying fitness and skill levels. The most expensive models are extremely durable and can handle a great deal of intense use by serious runners. More mid-range models are not quite as durable, and the low-end models are generally best suited for walking and light uses. Lift your legs straight up above your head 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. Abdominal