A HIIT workout is characterised by short periods of all-out exercise, interspersed with rest or active recovery sessions. — Photos: 123rf.com
High-intensity interval training (HIIT) workouts have been trending these past few years.
Ever since the study High-Intensity Circuit Training Using Body Weight: Maximum Results With Minimal Investment was published in the American College of Sports Medicine’s Health and Fitness Journal in 2013, the fitness industry has moved up a notch.
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