Wii Workout Games vs. a Personal Trainer

But Hornsby did have one problem: "I think that grading people by BMI is misleading. By BMI specifications, Michael Jordan is obese. It doesn't differentiate between muscle weight and fat weight. Bone mass structure and body type are going to be different for a football player and a volleyball player."

Oh, and for his initial test, his Wii Fit "age" was 45. He's nowhere near that.

Score: Four dumbbells

Hornsby had to give props. "I'm glad people are doing this; just the fact that games like this are creating a platform for kids to be more active is great. Games are a different level of accessibility over workout DVDs, and because you can track information in the game--and interact with it--makes for a very cool implementation." It reaches people that you otherwise wouldn't get.