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Benefits of a Non Electric Treadmill Non-electric treadmills have no motor. You have to power them with your legs. This type of treadmill has many advantages. For instance, one manufacturer claims that its curved deck encourages runners to have more mechanically efficient gaits. Research has found that short (4-min) bouts on a nonmotorized treadmill that are arced significantly alter the gait patterns of runners. They are more convenient You won't have to worry about the treadmill running out