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We dare you to attempt six rounds without stopping.
Lose the gut with these fat-incinerating routines.
Power through as many rounds as possible of these two moves.
This 30-minute routine will leave your muscles burning.
This 22-year-old completely overhauled his lifestyle to make it happen.
Follow these seven tips to start cutting fat fast.
Like fireworks for your muscles.
Set your legs, back, and chest on fire with this punishing total-body routine.