H. I. I. T. = High Intensity Interval Training. This is a 45 minute, high intensity, killer workout! If you are the type of person that likes to get in there, work hard, and get it done quick... this is the perfect class for you! You'll perform dynamic moves such as burpees, squat jumps, push ups, and lunges to get your heart rate up, then after a short break to let your heart rate recover you'll go again. It's 45 minutes of hard work and sweat!