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Getting Your Feet Wet With a Non Electric Treadmill If you want to test your feet using a treadmill that isn't motorized take a look at the NordicTrack Commercial X22i. The model that is hybrid includes both an electric motor and an option for manual operation. Flat manual treadmills encourage a proper running technique by requiring you to land precisely under your hips, engaging the correct muscles. They are also more responsive to changes in speed and therefore are ideal for HIIT exercises. Manual Treadmills Manual treadmills are powered by your own muscles whi
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