Toning muscles and burning calories in as little as four minutes? Yes, it’s possible. This HIIT workout is fast and fun, and you can tailor it to your fitness level.
High intensity interval training (HIIT) sounds like a concept spawned from the cold, calculating minds that brought you Ivan Drago’s gym, situated behind the Iron Curtain of icy Soviet Russia. Rocky references aside, this form of training provides unparalleled results and efficiency.