I remember reading something bout HIIT a couple days ago (not the same article posted here). It stated that HIIT can burn up to 52% more calories. Well a thought that just came to my head is that I usually run about 2 miles and when I did my first 2 sessions of HIIT, I probably ran about 3/4 of a mile. Either way, how can it burn 52% more calories. Is it in reference to of the same amount of time? If thats the case, why wouldnt I do HIIT and then something later on in the day as well...
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