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Your XFINITY Connect session has timed out due to inactivity. Click here to go back close The 25 Best Diet Tricks of All Time

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Keep the Burn Going

"During your workout, rest no more than 30 seconds between exercises. This will dramatically bump your calorie burn."

—Jillian Michaels, fitness expert, via Twitter

(Getty Images)

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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