Fitness and Workout Tips 2017 : This beginners guide to HIIT is a How To for getting started with HIIT! HIIT WOR… October 17, 2017, 2:59 pm 1.9k Views Fitness and Workout Tips 2017 Illustration Description This beginners guide to HIIT is a How To for getting started with HIIT! HIIT WORKS by burning more fat and calories in less time! 19 shares