How many push ups does it take to burn 100 calories?!

Question: haha..i would say 4 sets of 30..
or 5 sets of 20

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Answers: haha..i would say 4 sets of 30..
or 5 sets of 20

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I can't understand why someone would do push ups to burn calories... I see it as a way to strengthen your arm muscles.
Im guessing around 100 push ups? but not many people can do it without stopping. Running is best way to lose calories.

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