Treadmills - The Good, the Bad, and the Ugly A treadmill can be a useful tool to improve your cardiovascular fitness. A treadmill is a great alternative for those worried about injury. It is safe and simple to use. Treadmills can be utilized to train for intervals and high intensity. https://home-treadmill60276.jaiblogs.com/51426966/the-10-most-terrifying-things-about-treadmills-at-home