this post was submitted on 24 Oct 2024
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"The body mass index has long been criticized as a flawed indicator of health. A replacement has been gaining support: the body roundness index." Article unfortunately doesn't give the freaking formula for chrissakes; it's "364.2 − 365.5 × √(1 − [waist circumference in centimeters / 2π]2 / [0.5 × height in centimeters]2), according to the formula developed by Thomas et al.10"

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[–] [email protected] 1 points 22 hours ago

At 198cm (6'6") and 111kg (245lbs) BMI states that I'm on the high end of "overweight". My waist is 96cm (38"), which makes my RFM "average". I like that better.

[–] [email protected] 9 points 1 day ago

Well, it turns out they both tell me I'm a little too fat.

[–] [email protected] 2 points 2 days ago (2 children)
[–] [email protected] 4 points 2 days ago

Says I'm 10%. BMI says I'm 22.5. I think that's a big difference? I'm very tall, thin, but have solid muscle and work out about two hours per day.

[–] [email protected] 3 points 2 days ago (1 children)

Wonder if I'm doing it wrong? I have an athletic build similar to a soccer player, surfer, etc.

It puts me in the average range but close to obese. I have a six pack LOL.

I'm interested in other people's experience with the tool.

[–] [email protected] 1 points 1 day ago (1 children)

Are you sure you've put in your actual waist measurement and not your hips? The 'waist' on most pants nowadays sits at or below the hip line and is therefore gonna be fairly wider than your waist. If you look up a graphic it should make sense

[–] [email protected] 1 points 1 day ago

I found a website that said your waist is halfway between your bottom rib and the top of your hip. That was pretty close to my belly button. Got anywhere from 34" to 36" using a metal measuring tape, which could have been part of the issue. But 6'2" with 34" waist should be considered thin, right?

[–] [email protected] 5 points 2 days ago (2 children)

Now tell the doctors because as recently as this year one that I went to was talking about BMI.

[–] [email protected] 8 points 2 days ago

It's not doctors that need to know. It's the insurance companies. They wrote the policies that pay doctors based on the BMI metric. Until those policy changes happen nothing will change.

Insurance companies quietly control so much and most people don't realize it.

[–] [email protected] 5 points 2 days ago

BMI has been antiquated for like 15+ years, so my guess is it'll change when they die

[–] [email protected] 28 points 2 days ago* (last edited 1 day ago) (1 children)

Waist to height is the only proven metric. And the problem with BMI is not that it is overestimating fat, it's that it's underestimating fat because it completely misses skinny-fat people, and the number of those is much higher than the number of jacked overweight not fat athletes.

Add to this the complicating factor that it's really torso fat that is metabolically active and dangerous to your health.

Waist should be less than half your height, you don't even need a measuring tape. Get someone to cut a string as long as you are tall, and see if it can go around your waist twice, with at least some extra length. If so, you are good, probably don't have too much torso fat.

ETA I don't understand why they need that complicated formula, why not just a ratio? The only inputs are waist and height. Never understood the point of squaring height to get BMI either, it's also just a mass to height comparison, why not a simple ratio?

[–] [email protected] 11 points 2 days ago (2 children)

...people...have...waists...that're...half their height‽‽‽‽

[–] [email protected] 4 points 1 day ago (3 children)

I’m a normal sized human.

72inches tall (6’) 32inch waist

I could easily see a fat dude having a 40 inch waist at 6’ tall.

[–] [email protected] 1 points 1 day ago

6' fat dude here... 46" I think... maybe only 44...

[–] [email protected] 2 points 1 day ago

Right, you are proportionate, waist to height as a measurement means a 7' tall guy would be healthy with a 40" waist, but a lady (or man) who is 5' tall really does need smaller than 30" to be in shape.

[–] [email protected] 2 points 1 day ago

Oh shoot I conflated wrists with waist😭

[–] [email protected] 17 points 2 days ago (2 children)
[–] [email protected] 2 points 2 days ago (1 children)

people have wrists that are 1/6.28⋯ their height‽‽

[–] [email protected] 3 points 1 day ago

That's a strong wrist. Too much self-pleasure!

[–] [email protected] 1 points 2 days ago

peopleofwalmart.com has entered the chat

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