The day got away from me today and by the time I had the free time for running it was 10PM and too dark to jog in the park.

But it wasn't a complete waste. Mike & Amy have a fitness game for the XBox, called Yourself!Fitness. They've been using it to manage their exercise routines for the past week or so and invited me to give it a try, so tonight I did.

I asked the game to give me an upper body workout, but tonight's session was mostly jumping jacks and other low-impact cardio. Mike suggested it would work better if we had weights of some kind. Perhaps next time I'll use water bottles or grocery bags with paperback books...

The game told me I burned about 80 calories. Armed with this information I may begin counting, or at least estimating, my calorie input throughout the day.