Re: Body Mass Calculator


"PeterB" <pkm@xxxxxxxxxxxxxxx> wrote in message
news:1146591318.850308.208680@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

vernon wrote:
"PeterB" <pkm@xxxxxxxxxxxxxxx> wrote in message
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David Wright wrote:
In article <1146497093.261275.197450@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
PeterB <pkm@xxxxxxxxxxxxxxx> wrote:
http://nhlbisupport.com/bmi/

Please note that "body mass index" is not terribly useful for anyone
aside from sedentary populations. Just because it says you're
'overweight' doesn't mean you are, and just because it says you're NOT
overweight isn't an automatic reason to relax.

Nonsense. If you fall within the recommended ranges, you know you're
better off (statistically) than those who don't.

The heavier you are, the more it hurts when you fall and the harder it is
to
get up.

My stupidity being said, body mass calculator is often not usefull only
because of innacuracy.
For instance, I have large bones and have a better than normal muscle
mass.
When I use the "calculator", I am "fat"
When I use the water displacement, impedance measurement or professional
pinch test, I am very lean.

BMI is based on what's true for most people, but will overestimate body
fat in a few (probably less than 2%.) It will even underestimate body
fat in a few, mainly the elderly. So yes, constitutional differences
(even those related to ethnicity) can be a factor. A friend whose BMI
is over 30 is more fat than muscle, even though he exercises. He's an
example of the average person for whom BMI is a useful tool because it
tells him how he is doing.



BMI is a general term. I agree with what you say. My point was that BMI
can be estimated or presented in several different ways, often wrong.


Same with exercise (your friend). Most people think running and walking and
treadmill is useful for body mass or weight loss. It is almost useless.
When doing aerobics the metabolism goes up for the length of the exercise
time plus, at max (max) 20 minutes before it actually dips below normal for
that person. Weights or "resistance" exercise usually creates a setup for
metabolism that lasts from 4 to 12 hours.

A 6K run is 1/2 a donut.

In any case calories, especially sugar and carbs have to be controlled.
Again all people are not the same. USUALLY carbs should not exceed 40% of
total calories. (counting carbs without any association to total calories
is where people go wrong)


.

Relevant Pages

  • Re: Body Mass Calculator
    ... body mass calculator is often not usefull only ... fat in a few, mainly the elderly. ... A friend whose BMI ... Same with exercise. ...
    (misc.health.alternative)
  • Re: Body Mass Calculator
    ... vernon wrote: ... body mass calculator is often not ... BMI is based on what's true for most people, ... fat in a few, mainly the elderly. ...
    (misc.health.alternative)
  • Re: Body Mass Calculator
    ... vernon wrote: ... body mass calculator is often not usefull ... fat in a few, mainly the elderly. ... A friend whose BMI ...
    (misc.health.alternative)
  • Re: Body Mass Calculator
    ... vernon wrote: ... body mass calculator is often not usefull ... BMI is based on what's true for most people, ... fat in a few, mainly the elderly. ...
    (misc.health.alternative)
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