HIIT Workout: What It Is and Why It Works

  HIIT is all the hype lately. According to a survey conducted by The American College of Sports Medicine, it’s one of the two top fitness trends for 2014 (the other being bodyweight training). So what’s this type of training all about? What is it with HIIT?   HIIT, or high-intensity interval training, is a training technique in which you give all-out, one hundred percent effort through quick, intense bursts of exercise, followed by short, sometimes active, recovery periods. This type of