https://click4r.com/posts/g/18....128084/under-desk-tr
The Advantages of a Curved Non Electric Treadmill Curved treadmills burn more calories as you're required to push the belt using your own energy. They also lessen the impact on joints, so they're a good choice for runners and walkers with knee problems. But, they're not suited for intense sprinting exercises. Research shows that curved treadmills can encourage a narrower foot strike, which can result in injuries to the calves and the hamstrings. Eco-friendly If you're in search of