Quote:
Originally Posted by Medusa
I just did 15 minutes on the bike. Eh, not great at all but I'm exhausted and doing 15 minutes was a chore.
According to my calorie thing on the bike, it burned 115 calories. I don't trust it so I'm going to look it up. 
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Quote:
Originally Posted by Rockinonahigh
If u figure out how u did that please let me know,I did 9 f-n miles on the bike for 223 calories used....I know I had to have used more than that from all the huffing and puffing I was doing rideing the dam thing.
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Hey everyone,
I found this nifty tool online. It's a little weird to use at first, but....you put in your weight, how long you did something, and click on the activity you did (like biking, stationary - moderate....that's the weird part) and click calculate.
It tells you how many calories you burned.
According to it, a 220 lb. person doing 30 mins. of moderate stationary biking burns 349 calories. So I'm guessing you both did better than you thought.
Here's the link:
http://www.caloriesperhour.com/index_burn.php