1. Manual treadmills: These treadmills do not have a motor and rely on the user to generate movement. They tend to be more affordable and quieter than motorized treadmills, but also require more effort to use. 2. Motorized treadmills: These treadmills have a motor that powers the belt, making them easier to use than manual treadmills. They also tend to have more features such as adjustable speed, incline, and pre-set programs. 3. Folding treadmills: These treadmills can be folded up and stored away when not in use, making them a good option for those with limited space.
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