By now I’m sure you’ve heard about high-intensity interval training (HIIT). HIIT combines short periods of intense exercise with short periods of rest. It has been purported to be one of the best exercise protocols for fat loss. But do you know why this is the case? Below I lay out 10 physiological adaptations your body undergoes when you do HIIT so that you can completely understand why it’s so effective for fat loss.
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