The HIIT Treadmill Workout

Getting a HIIT treadmill workout, or “high intensity interval training” session, is one of the best ways of optimizing your cardio while boosting your metabolism. Running on treadmills is easier on the joints than running on concrete or asphalt. Plus you can really... Protection Status


Top Fitness Magazine is reader-supported – thank you! When you buy through links on our site, we may earn a commission at no cost to you. Learn more.