Designed for natural human movement, a curved treadmill is a modern concave-shaped running machine that’s powered solely by your legs. No electricity required and no top speed, very similar to outdoor running. With its curved, slatted running surface, it allows you to propel the treadmill belt using

Natural runner, Engages more muscle groups⁠ ⁠, Burns Calories FASTER⁠,Kind to your joints⁠⁠.