Summary: There isn't one single form of exercise that's more effective than HIIT for fat loss. Piles and piles of research are stacking up showing that HITT is in a league of it's own. It works, but only if you work it. So today you're going to learn 15 different ways to do HIIT that you can use whether you're a beginner, intermediate, or more advanced in your condition and physique.
