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08-06-07, 02:16 PM
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#1 (permalink)
| | BMI is for the BIRDS!
Join Date: Oct 2006 Location: Phoenix
Posts: 956
Weight Statistics10/1/2006 Start Date:
310 lb Start Weight:
214.5 lb Current Weight:
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| This is why I say FORGET BMI
This guy would be considered morbidly obese: Scott Mendelson - Bench-Press.net
Does Body Mass Index (BMI) Measure Body Fat?
No. BMI does not take into account body fat or body fat percentage.
BMI only measures total weight in relation to height.
So a very muscular athlete will have a high (possibly unhealthy) BMI even though he/she may be in perfect health.
But for most people BMI is a very convenient and reasonably accurate measurement of whether we are (a) Underweight; (b) Normal Weight; (c) Overweight; or (d) Obese.
Some more info: http://en.wikipedia.org/wiki/Body_fat_percentage
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No reason to diet, subscribe to food services, have surgery or take diet pills. Learn to eat right, count calories and exercise. If 400+lb people on Biggest Loser can do it, so can you!
Mike B 6'4" 39 yrs young
**Oct 1 2006 - 310 lbs 40%+ BF ***NEW LOW!!!*** June 8th 2008 - 214.5lbs and dropping!
I had the pain of regret for many years, I now proudly bear the pain of sacrifice.
189lbs LBM last tested Aug 1. 210lbs for 10% BF
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08-06-07, 03:02 PM
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#2 (permalink)
| | Administrator
Join Date: Jan 2005 Location: Phoenix, AZ
Posts: 7,795
Weight Statistics8/1/2006 Start Date:
185 lb Start Weight:
152 lb Current Weight:
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5/1/2007 Goal Date:
| Re: This is why I say FORGET BMI
I could not agree more. BMI is not the most accurate measurement, but this becomes moreso true for those who exercise frequenly (and have a good amount of muscle mass).
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08-07-07, 10:51 PM
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#3 (permalink)
| | Super Moderator
Join Date: Feb 2006
Posts: 1,149
Weight Statistics8/1/07 Start Date:
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| Re: This is why I say FORGET BMI
Mike owns the body fat testing market! 
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08-30-07, 03:37 PM
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#4 (permalink)
| | Newbie
Join Date: Aug 2007 Location: Omaha, Nebraska
Posts: 22
Weight StatisticsMay 15, 2007 Start Date:
225 lb Start Weight:
198 lb Current Weight:
190 lb Goal Weight:
-27 lb Weight Loss:
12/25/2007 Goal Date:
Body Mass Index31 BMI Start:
28 BMI Current:
26 BMI Goal:
| Re: This is why I say FORGET BMI
I could'nt agree more about the shortcomings of relying on BMI to say who is overweight and who isn't. It's always irked me that because I do work hard to build and maintain muscle that my BMI puts me at 28 which is only 2 BMI points under the obese designation. Waist to hip ratio is a simple but more telling measure than BMI. I can't believe how light I'd have to be to just be at the high end of 'normal'. That would leave me with virtually no muscle. And, what's more, you don't have to be a college or professional athlete to be the exception to the BMI rule. I'm 56 years old but have worked out for 30 years.
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08-30-07, 04:52 PM
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#5 (permalink)
| | resident fogey
Join Date: Mar 2006 Location: pittsburgh, pennsylvania
Posts: 680
Weight Statisticsjune 2006 Start Date:
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| Re: This is why I say FORGET BMI
Quote:
Originally Posted by dugan51  I could'nt agree more about the shortcomings of relying on BMI to say who is overweight and who isn't. It's always irked me that because I do work hard to build and maintain muscle that my BMI puts me at 28 which is only 2 BMI points under the obese designation. Waist to hip ratio is a simple but more telling measure than BMI. I can't believe how light I'd have to be to just be at the high end of 'normal'. That would leave me with virtually no muscle. And, what's more, you don't have to be a college or professional athlete to be the exception to the BMI rule. I'm 56 years old but have worked out for 30 years. | 
you would think the government with all of its money and experts could have come up with something better than BMI. they probably won't change it for another 10 years like the food pyramid. 
i think the goverment should make body fat testing the standard, and spend money on hydrostatic body fat testing equipment, putting them all over the united states and making insurance cover dips in the tank.
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01-25-08, 01:57 PM
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#6 (permalink)
| | Newbie
Join Date: Jan 2008 Location: In a quaint Log Cabin on a river in the Great Northwest
Posts: 9
Weight StatisticsJanuary12, 2007 after a cardiac event Start Date:
278 lb Start Weight:
278 lb Current Weight:
June, 2008 Goal Date:
Body Mass Index37 BMI Start:
37 BMI Current:
30 BMI Goal:
| Re: This is why I say FORGET BMI
BMI is especially perilous for women. I am a 37, about 35% body fat, bench press 250 and squat 350. I possess a significant amount of muscle mass, but yet, my doctor says I am obese. BMI is not based on good science, it is based on vanity.
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01-25-08, 04:49 PM
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#7 (permalink)
| | Administrator
Join Date: Jan 2005 Location: Phoenix, AZ
Posts: 7,795
Weight Statistics8/1/2006 Start Date:
185 lb Start Weight:
152 lb Current Weight:
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| Re: This is why I say FORGET BMI
Quote:
Originally Posted by mrsreveal BMI is especially perilous for women. I am a 37, about 35% body fat, bench press 250 and squat 350. I possess a significant amount of muscle mass, but yet, my doctor says I am obese. BMI is not based on good science, it is based on vanity. | 35% bodyfat does not seem too terribly low though? 
Very nice numbers!
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01-25-08, 06:02 PM
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#8 (permalink)
| | Newbie
Join Date: Jan 2008 Location: In a quaint Log Cabin on a river in the Great Northwest
Posts: 9
Weight StatisticsJanuary12, 2007 after a cardiac event Start Date:
278 lb Start Weight:
278 lb Current Weight:
June, 2008 Goal Date:
Body Mass Index37 BMI Start:
37 BMI Current:
30 BMI Goal:
| Re: This is why I say FORGET BMI
Did I forget to say that I am FAT? Hehehe, I know it's not low, however, my point is that 37 is probably not an accurate representation of bodyfat to lean mass ratio. My biggest problem is angioedema from the calcium channel blockers I am taking to combat my hypertension. BMI does not have a side bar for edema. But you know that...
Thank you for the compliment... 
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05-18-08, 09:40 AM
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#9 (permalink)
| | I used to be 217 lb
Join Date: May 2008 Location: Indiana
Posts: 68
Weight StatisticsMay 12, 2008 Start Date:
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183.5 lb Current Weight:
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| Re: This is why I say FORGET BMI
Quote:
Originally Posted by dugan51 Waist to hip ratio is a simple but more telling measure than BMI. | Does anyone know how this is used to calculate BMI?
A friend and I have the same weight and height, but my waist is 36 inches and my hips are 47 inches while her waist is 40 inches and her hips 42 inches.
Depending on which method is used, her BMI comes to two different values. Mine is roughly the same.
So which method (height to weight or waist to height) is more accurate?
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05-18-08, 05:12 PM
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#10 (permalink)
| | elephant class
Join Date: May 2008
Posts: 36
Weight Statisticsapril 12 08 Start Date:
363 lb Start Weight:
336 lb Current Weight:
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52 BMI Current:
26 BMI Goal:
| Re: This is why I say FORGET BMI
I think BMI is the simplest way to judge body weight based on the idea that everybody knows their height but wouldn't trouble to measure their waist. Doctor's should use more elaborate criteria to estimate someone's health condition. However some doctors seem to prefer a light body to a heavier one, even with the same fat percentage.
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05-27-08, 02:40 AM
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#11 (permalink)
| | Administrator
Join Date: Jan 2005 Location: Phoenix, AZ
Posts: 7,795
Weight Statistics8/1/2006 Start Date:
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152 lb Current Weight:
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| Re: This is why I say FORGET BMI
Quote:
Originally Posted by Alia Does anyone know how this is used to calculate BMI?
A friend and I have the same weight and height, but my waist is 36 inches and my hips are 47 inches while her waist is 40 inches and her hips 42 inches.
Depending on which method is used, her BMI comes to two different values. Mine is roughly the same.
So which method (height to weight or waist to height) is more accurate? | Neither is terribly accurate; I'd ignore them both personally. Hydrostatic bodyfat testing is the only measure I'd trust. That and the mirror and my waistline. 
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