IGN's Wii Fit Preview: Calculating Your BMI

When you first begin training with Wii Fit you'll need to set up a profile. The game will ask you a series of questions then walk you through a few balance tests that will calculate your body mass index (BMI) and balance age. First you import the Mii you want as your avatar, then enter basic information like your date of birth and height. Soon it's time to calibrate the balance board and the game will ask you to step up.

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