For a workout that activates all your major muscle groups and burns a ton of cals in less time, try high-intensity interval training (HIIT). Join celebrity trainer Brett Hoebel as he demonstrates a time-saving technique for blasting calories and toning muscles that he calls the HIITman workout.

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High-Intensity Interval Training w/ Brett Hoebel–Fast At-Home Workout–SELF’s Burn 100 Calories

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