In the AF they used to do the whole measure your waist and neck, then subtract the neck from waist. That was a fullllllllllllllll load of crap. you have guys with 34" waists, and 16" necks and they are all of a sudden 18% bodyfat? uh.... ok....

The BMI is even worse. They dont take ANY considerations into your body build. According to this chart, you look at wrestlers, say Batista. He is 6'5", 300.. so according to that BS BMI chart, his BMI would be 40% and according to all the charts out there, he should be dying anytime soon....

I put absolutely NO stock in this whole load of crap, and still say if they want to measure how much in danger people are of this, they should do the most accurate way, and put them in a pool and measure it that way..