Elliptical crosstrainers offer a zero-impact aerobic workout. They have become popular as home exercise equipment because of their versatility and value.

An "ellipse" is an oval shape, roughly describing the path your feet take when you walk or run. The machine enables your feet to move somewhere between the circular motion of a bike and the flat motion of a treadmill, thereby easing the strain on your joints.

The primary motion is a forward ellipse, but some offer a backwards motion as well.

An elliptical crosstrainers adds variety to your workout and allows different leg muscles to be used