Elliptical trainers provide a low-impact full-body workout that benefits both the upper and lower body. They are growing in popularity due to their ability to reduce stress on joints compared to high-impact exercises like running while still providing a cardio workout. Unlike treadmills, elliptical trainers move the feet in an elliptical motion that simulates walking or running without impact. This allows users to get the benefits of cardio exercise with less strain on aging joints. They also work muscles in the upper and lower body simultaneously, improving fat burning and muscle endurance while reducing the perceived effort of the workout.