https://mozillabd.science/wiki..../Non_Electric_Treadm
How Does a Non Electric Treadmill Work? A manual treadmill, also known as a flat-bed or self-propelled treadmill, is a type of exercise equipment that uses your own body weight and effort to move the belt. It does not require an electrical outlet and is simple to store. Studies have demonstrated that running on a non-motorized treadmill more closely mimics outdoor running. This is especially applicable to HIIT-style training. It has a curving belt The manual treadmill with a curvature isn't pow