The Biggest Loser Challenge - calories burned

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Does anyone on here have The Biggest Loser Challenge for the Wii? I was wondering how many calories you are logging for this. I have a hard time believing the calorie counter on the game is even close to accurate. It said I only burned 89 calories after 30 minutes of working out yesterday, however, I was sweating and breathing heavy at the end of it and am sore today. I had to have burned more calories than that! I was thinking about logging it as aeorobics instead, but just wasn't sure if that would be close either. I know I'm really just estimating either way, but would like to get at least a close estimate as to what I'm burning. Just curious how others log this. TIA ;-)

Kim