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by thefz
592 days ago
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BMI is a shit metric and must be taken with a grain of salt.
If you take a not so tall person with a large muscle mass and sub 10% body fat, you can still end up in the severely overweight / obese range. Because muscle is way more dense than fat, and we should factor in for bone mineralization and bone weight in those who do resistance sports as well. So take BMI = kg/m2 with precaution, as there better metrics such as waist-to-height ratio. |
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BMI is a fine metric for describing a population's general health when it comes to weight. The actual reason the metric exists.
There are exceedingly few folks with 10% body fat and a BMI of 30. They tend to be clustered around professional athlete or bodybuilder circles. Again, not interesting to discuss these things outside of niche circles. Those that are outliers know already, due to the work they put in to be such.
No one is walking around with a BMI of 30 and happening to accidentally be at a healthy weight due to low body fat percentage/high lean muscle mass and not knowing it.