1. You’ll keep burning the calories for hours
“HIIT burns more calories during and after a workout than continuous aerobic training,” says exercise physiologist and athletic trainer Scott Weiss, C.S.C.S. “The bursts of increased intensity simply increase the caloric expenditure; thus, more total calories are burned, aiding in better body composition.” Even more: You burn more calories for about two hours after exercise, adding to the greater caloric burn, he explains. Exercise post-oxygen consumption is the body’s natural ability to return to homeostasis after exercise. “With HIIT, the total calories burned is greater in EPOC than with continuous exercise,” he says.
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