How Many Calories Do Crunches Burn?

Answer

The amount of calories burned doing crunches depends on how old you are, whether you are male or female, how much you weigh, your height, and how long you exercise. On average, a 200 pound man would burn 136 calories doing crunches for 30 minutes. Reverse crunches would burn 261 calories in 30 minutes and knee to chest crunches burns 211 crunches in 30 minutes. Seated abdominal crunches, using a Bowflex, burns 272 calories in 30 minutes.
Reference:
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