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Elliptical motion exercisers designed to simulate elliptical (in an oval plane) motions with the user sitting in a recumbent position. These exercisers typically consist of a pair of moving handlebars, a chain/belt drive, and two foot pedals or platforms on which a user can stride in a forward or reverse direction. Some exercisers can adjust the stride length; resistance is provided by a mechanical or magnetic belt. Most exercisers are non-powered, but some may include a motor to regulate speed. The exercisers usually include workout program modes that can adjust resistance and a monitor to display the workout time, distance, speed, calories burned, and heart rate; they often have handlebars with heart-rate sensors, and some may also have heart-rate controls to adjust resistance level to suit the targeted heart rate.
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