What is HIIT? High Intensity Interval Training, or HIIT, are workouts that utilize multiple exercises performed in short bursts of high intensity. There is typically a short rest period between exercises and each workout can be performed multiple times. The rules for HIIT workouts are loose, not to be confused with Tabata workouts, which have a specific set of rules. Because of the loose rule structure, HIIT workouts are extremely popular, … [Read more...]