BMI - (Body Mass Index)

  • Posted by a hidden member.
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    Nov 10, 2010 2:07 PM GMT
    For a healthy adult your BMI should be no more than 25 - mine is 26 which puts me in the realm of being overweight...should we take medical calculations seriously? Work out yours here http://www.nhlbisupport.com/bmi/bmicalc.htm
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    Nov 10, 2010 2:09 PM GMT
    No!
    My trainer is awesomely muscular. His BMI puts him at obese.
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    Nov 10, 2010 2:35 PM GMT
    BuddyinNYC saidNo!
    My trainer is awesomely muscular. His BMI puts him at obese.


    Yeah same here!! It put me at 29,
    I certainly don't look obese, maybe it doesn't take muscle mass into consideration?
  • Posted by a hidden member.
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    Nov 10, 2010 3:36 PM GMT
    BMI is only useful if you don't have significant muscle mass. Medical professionals know this; most bodybuilders know this. Not a big deal.
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    Nov 10, 2010 7:46 PM GMT
    averagejoe saidBMI is only useful if you don't have significant muscle mass. Medical professionals know this; most bodybuilders know this. Not a big deal.


    It's a shame my doctor was unaware when she told me to lose 5 kgs, which I found a bit insulting really!
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    Nov 10, 2010 8:07 PM GMT
    marty3112 said
    It's a shame my doctor was unaware when she told me to lose 5 kgs, which I found a bit insulting really!


    WTF?!
    Just as your are now is awesome.
    Gaining 5kg lean muscle would be ultra hott, as would 'losing' the sweats.
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    Nov 10, 2010 8:38 PM GMT
    marty3112 said
    averagejoe saidBMI is only useful if you don't have significant muscle mass. Medical professionals know this; most bodybuilders know this. Not a big deal.


    It's a shame my doctor was unaware when she told me to lose 5 kgs, which I found a bit insulting really!
    Maybe your Dr said "5 articles of clothing" and you just misunderstood? icon_wink.gif
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    Nov 11, 2010 11:23 AM GMT
    paulflexes said
    marty3112 said
    averagejoe saidBMI is only useful if you don't have significant muscle mass. Medical professionals know this; most bodybuilders know this. Not a big deal.


    It's a shame my doctor was unaware when she told me to lose 5 kgs, which I found a bit insulting really!
    Maybe your Dr said "5 articles of clothing" and you just misunderstood? icon_wink.gif


    lol, maybe i did misunderstand - and for the record I now have a new doctor....who said I was certainly not obese :-)
  • bad_wolf

    Posts: 1002

    Nov 11, 2010 11:30 AM GMT
    BMI is a calculation of weight against dimension in order to workout overall mass distribution, but they don't account for varying density, which isn't easily measured and therefore cannot be factored in.

    In conclusion; BMI = bollocks.
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    Nov 11, 2010 11:49 AM GMT
    marty3112 saidFor a healthy adult your BMI should be no more than 25 - mine is 26 which puts me in the realm of being overweight...should we take medical calculations seriously? Work out yours here http://www.nhlbisupport.com/bmi/bmicalc.htm


    BMI is bunk.

    Use your fat % instead.

    Just FYI, my BMI runs 28 to 32.
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    Nov 11, 2010 12:13 PM GMT
    BMI is used to run statistics. And a BMI of around 26 I think puts you in the lowest mortality group.
    Waist measurement is much more powerful predictor of health though.

    http://www.nature.com/oby/journal/v11/n7/abs/oby2003123a.html
    http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0002619
    http://content.karger.com/ProdukteDB/produkte.asp?Aktion=ShowAbstract&ArtikelNr=137822&Ausgabe=239067&ProduktNr=233731

    And if you don't have time to read them here are the relevant graphs. It's average health care expenses by waist circumference. This was done with men and women in their fifties btw.
    One useful thing with socialised health care is the great data mining opportunities ;)

    7d2935da-bd53-4ad7-b23f-8b7da5f33dd1.jpg

    6b412d7d-f601-47f3-9bb6-bd3c55ae843a.jpg
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    Nov 11, 2010 5:43 PM GMT
    Great stuff.

    Waist measure is a good indicator of mortality.

    BMI really only works on sedentary folks, and any qualified medical person should know that.

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    Nov 11, 2010 9:09 PM GMT
    To further illustrate the absurdity of BMI:

    Imagine a man (or woman for that matter) 2 meters tall and 100kg heavy. That's a BMI of 25. Now shoot the man with your ACME shrink ray so he is 1 meter tall. Since he exists in 3 dimensions his weight will reduce to 1/8th (½*½*½) and his BMI will be 12.5 even though he is proportionally exactly the same.

    Also your old doctor was an idiot. *But* according to your profile your BMI is 24.9. If your BMI is 26 then you're about 4kg heavier. Unless your height has changed. Maybe she had a point ;) j/k