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How Does a Non Electric Treadmill Work? A manual treadmill is also known as a self-propelled or flat-bed treadmill. It relies on your body weight to move the belt. It is simple to store and doesn't require an electric outlet. Research has shown that running on a treadmill without motors closely resembles outdoor running. This is especially applicable to HIIT training. It includes a waist belt that is curved A manual treadmill with a curvature does not have a motor, which