Burning the fat: How many sit-ups will that burger cost you?

Published On: Apr 26 2013 03:08:41 PM CDT   Updated On: Apr 29 2013 01:00:00 AM CDT

Wouldn't it be great if you could eat whatever you wanted and just exercised a little more later? Unfortunately, it doesn't always work out that way. Take a look at what it would take to work off some of our favorite high-calorie indulgences.

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Rick Wilking / Reuters

Wendy's Chocolate Frosty. A medium-size Chocolate Frosty from Wendy's is 420 calories—about the same as an hour-long, quad-torching spin class.

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