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How to Use a Treadmill Without Electricity Research has proven that running on treadmills is just as taxing to your body as running outdoors. However, there's no universal treadmill solution. Electric treadmills have motors that drive the belt at a speed you select. They are ideal for specific workouts and practicing your speed in races. Motorized Treadmills Motorized treadmills have a motor-driven belt system that moves over a deck, allowing individuals to personalize their workout routine with built-in
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