4. Boost metabolism
Igniting EPOC (aka afterburn) translates into a metabolic boost for up to 48 hours after a completed HIIT routine. Since HIIT helps build muscle mass, and muscle cells burn more calories than fat cells, HIIT further contributes to increasing your metabolism. In addition, some research suggests that anaerobic exercise increases resting energy consumption.
Scientifically speaking, anaerobic exercise increases your basal metabolic rate, which is the rate of energy expenditure by your body at rest and is measured in kJ (energy) per hour (time) per kg of body mass (muscle). Any time you have the opportunity to increase your metabolism, do it. It not only aids in weight loss, but it keeps your body healthy on the inside as well.
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