Re: Body Mass Calculator


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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.

I don't agree it's often wrong, unless you mean it can't attribute
the
same percentage of body fat to any two people with the same BMI.

My point is SOLELY how so called BMI is determined. There can be as
much
as
30% difference based on how it was determined.

Gotcha. I'm just saying it's a useful tool for *most* people
(including me, with a BMI of 24.7)

Water displacement is the only one that works for all people.

An aqueous solution if there ever was one. ;)


Is that another of those homeopathy cures??

Yep, just one human in all that water.

For those who don't want or don't need a fancy system, pinch the stomach
and
/ or the side between the thumb and forefinger. If either is over 1" a
problem exists.

You had to remind me, didn't you? No peanut butter cookied for me
tonight.


This group came to mind yesterday. I was at the local market and saw some
chocolate covered, custard filled thingies by Krispy Kreme. I bought two
and ate them as soon as I got home.

At least you made it home. I used to hop the curb in the parking lot
with one knee on the steering wheel and goop all over my cheeks. That
was 20 pounds ago. ;)

.

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