This step-by-step (literally) High Intensity Interval Training (HIIT) guide is probably the best one in the galaxy. My justification for such a bold claim? We have dinosaurs and Muppets in ours! Plus lots of terrible puns. In this guide, we’re gonna cover: If you’re a busy person, you don’t need to be spending hours a day on a treadmill or out jogging around your neighborhood to lose weight. In fact, those hours of running could actually cause a litany of…