Good athletes and fitness oriented person use exercises like running and jogging as the primary cardio-vascular exercise. However, the elliptical trainer is a great alternative. In the event of an injury, especially to the legs or knees, running and jogging may not be possible. Lack of training will cause a rapid deterioration in fitness. This is a horrid thought to a fit person. Knowing how to use an elliptical trainer allows a fit person to stay fit even of the injury does not allow a full range of motion in the legs or knees.
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