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Because muscle and bone are denser than fat, and exist in higher proportion in fitter people, two people could easily have identical BMIs even though one is a p
by Kluny 10y ago
Because muscle and bone are denser than fat, and exist in higher proportion in fitter people, two people could easily have identical BMIs even though one is a powerlifter with 5% body fat and the other is mostly made of Cheetos.
- Retric 10y agoThe body builder would need more blood flow to support his muscle's metabolic needs. That's a major demand on his cardiovascular system.
- coldtea 10y agoYes, but powerlifters with 5% body fat are far more rarer than Cheetos-munging fat people. So the possibility of such false positives is not that high, making still a good heuristic. Not to mention: if one is a thin, mostly-muscle powerlifter type, they already know they are not obese...