Wondering what all the HIIT hype is about? Named one of the top two fitness fads in 2014 by The American College of Sports Medicine, the notoriously tough exercise method has become the darling of personal trainers and other fitness experts. But is all that huffing and puffing really worth it? Here, your beginner's guide to HIIT training.
Fitness
Can’t Afford A Trainer? These Are The Best Workout Apps
