Treadmills - The Good, the Bad, and the Ugly A treadmill can be a useful tool to improve your cardiovascular fitness. It's also a great option for people with injury concerns. It is simple to use and is safe. Treadmills can be used for high-intensity interval training. They can help https://treadmill-for-home20319.blogitright.com/24943557/5-laws-everyone-working-in-treadmill-should-know