20 calories per 100 crunches, if you're doing them correctly.
I have no idea what the previous person was talking about.Anyway, 100 crunches burns about 50 calories.
you would lose 300 calories in a 100 metre sprint
No it burns more
Depends on what you eat. If you really want to lose weight try jogging or walking. Cardio burns more fat.
200 crunches burn about 10 calories, so if you divide 10 by 200 you find that one crunch would burn 0.05 callories.You actually burn 50 calories doing 100 crunches, so 200 would burn 100 calories
Doing crunches does not make you skinny. Eating less calories than you burn and being active (cardio exercise) will make you skinny.
You aren't losing calories. Instead, you are burning them off. If you are burning that many calories through exercise, though, it is healthier to up your calories intake by 100 or 200 calories, though.
It depends on how many calories you eat versus how many calories you burn through this exercise.
It take 3500 calories to lose 1 pound. On average running a mile will minus you about 100 calories or so.
100 calories
About 1000, more if you exercise. Each hour walking is about 100 calories.