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Throw intense, high-speed intervals into your usual cardio workout, and you’ll burn the same or more total calories in a shorter amount of time—and the harder you push it, the more calories you burn after your workout, Holland says, meaning the fat will melt off to reveal your abs. Peterson recommends adding sprints of 10, 20, and 30 seconds and recovering for two to three times that long. Bonus: You can “sprint” on anything: treadmill, bike, rower, swimming, elliptical—you name it.
Everything you need to shrink your stomach, reduce bloat, and rock that bikini
Everything you need to shrink your stomach, reduce bloat, and rock that bikini.
Toned, athletic woman with great abs
The 30 Greatest Flat-Belly Tips of All Time