How to Perform High Intensity Interval Training (HIIT)

Cardiovascular exercise is an important cornerstone of overall fitness. One variety of cardiovascular exercise is known as High Intensity Interval Training, or HIIT. HIIT refers to training intensely for short bursts followed by similar periods of low intensity. HIIT workouts are usually short but intense and burn a large number of calories in a short period of time.

Graspr | June 27, 2008

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