High intensity interval training (HIIT) or cardio interval training is a type of training that helps improve performance or current fitness level with the use of short training sessions. It is a form of cardiovascular training that is designed to burn body fat in a quick and extremely intense workout routine.
HIIT sessions can be modified to meet the needs of any exerciser or trainee, but most sessions range from ten to twenty minutes. Intervals are short bursts of activity that vary in intensity levels. A 2:1 ratio is often used in HIIT styles of training, which means the athlete would alternate sprints of thirty seconds and a fifteen second jog or walk, that would then be repeated until the workout session is over. (Don’t forget to warm up and cool down, too!)
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