The Workout That Can Help You Lose 2 Inches of Belly Fat. It’s scientifically proven to detonate fat, and it only takes 20 minutes

If you want to lose a belt size, skip the treadmill. Performing intervals during your regular workout may help you lose more belly fat than steady-state cardio, according to Greek researchers.

In the study, participants performed hour-long workouts four times a week. While everyone did 40 minutes of strength training, they were divided into two groups for cardio. One group ran for 20 minutes on treadmills and the other group performed body-weight intervals for 20 minutes.

At the end of eight weeks, the interval participants lost two inches of belly fat compared to the runners who lost less than one inch. (Looking for a fat-loss program that works even faster? —one guy lost 25 pounds in just 6 weeks!

The researchers think interval training—which alternates high-intensity levels of work with lower-intensity work—contributes to your body’s afterburn effect.

When you go all-out for short intervals, you quickly deplete your body’s oxygen stores. This forces your body to work harder afterward to reestablish its oxygen bank. So while you might burn as many calories during a jog, your body continues to burn more after the intervals.

(Want to get the most out of your intervals?

And the harder and longer you go, the more calories you’ll burn later, says Craig Ballantyne, M.S., Master Certified Turbulence Trainer.

That’s why Ballantyne designs intervals to alternate between exercises that work different muscle groups. This allows certain muscles to recover while you hammer other ones, so you can dial up the intensity and minimize rest without getting fatigued too quickly, he says.

Do this, and you’ll turn your body into a fat-burning machine.

Want to give it a try? Check out Ballantyne’s 20-minute gut-busting interval workout below.

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