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Everything You Need To Know About HIIT Workout

By IGFitness Girls / 6 years ago

There is a new trend in anaerobic exercises. Why is so many people doing it? Well HIIT or High-intensity interval training , also called high intensity intermittent exercise (HIIE) or sprint interval training (SIT), is a form of interval training, an exercise strategy alternating short periods of intense anaerobic exercise with less-intense recovery periods. HIIT is a […]