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Types of Treadmills - Electric and Non Electric You can boost your physical load by running on a treadmill, without needing an electrical outlet. If you want to maximize your training gains however, you should look beyond the standard motorized treadmills. Manual treadmills, also referred to as self-propelled treadmills, or non-motorized machines make use of your body weight and effort to move the belt. These machines typically have a slight slope and a curve that help
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