Understanding High Intensity Interval Training

Understanding High Intensity Interval Training

High-intensity interval training (HIIT), also called high-intensity intermittent exercise (HIIE) or sprint interval training (SIT), is a form of interval training, a cardiovascular exercise strategy alternating short periods of intense anaerobic exercise with less intense recovery periods, until too exhausted to continue. The intense workouts typically last around 30 minutes in total, with times varying based on a participant's current fitness level.

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Understanding High Intensity Interval Training