Manual treadmills, powered entirely by the user's movement, offer a distinct advantage in workout intensity and efficiency compared to their electric counterparts. Because the user must exert effort to both start and maintain the belt's movement, a manual treadmill demands greater muscular engagement, especially in the glutes, hamstrings, and calves. This increased physical demand often translates to a higher calorie expenditure—studies suggest up to 30% more—at the same speed, making them highl