Are you at a stand-still with your weight? Not producing the power needed to break the performance plateau? Can’t seem to improve your running time or just feel stuck? Then High-Intensity Interval Training, otherwise known as HIIT, could be the answer. Trending across the globe for another year are HIIT workouts. This calorie-torching workout has the attention of fitness enthusiasts worldwide. In fact, HIIT has been at or near the top of the ACSM’s Annual Worldwide Survey of Fitness Trends for 7 years straight!