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Types of Treadmills - Electric and Non Electric Running on a treadmill could increase the physical load of your workout without requiring an electrical outlet. If you want to increase your gains from training, though, look beyond the standard treadmills with motors. A manual treadmill, also known as a self-propelled or non-motorized treadmill--uses your own bodyweight and effort to move the belt. They have an incline and a slight curv