Treadmills - The Good, the Bad, and the Ugly A treadmill can be a very beneficial tool for improving your cardiovascular fitness. It's also a great option for those who have injuries. It is easy to use and is safe. Treadmills are great to train for intervals and high intensity. https://hometreadmills74836.blog-ezine.com/24918833/10-things-everybody-has-to-say-about-treadmill