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The healthiest BMI

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  • auntstephie321
    auntstephie321 Posts: 3,586 Member
    GaleHawkins wrote: »
    Most all measurements are relative and of value in some way. My BMI was 35 at the start and 27.9 this AM and scales reported a body fat % of 29. What is of interest is drinking the same amount of water my % of hydration has worked from 48% to 52% on average as my weight declined. My term life insurance renewal is up and BMI number will impact my renewal premium.

    That's true, it's not the only factor though, you can have a normal bmi and if there are other negative factors it affects the rating negatively. Sounds like you've had tons of positive health changes so a slightly higher than normal bmi shouldn't cause a higher cost on its own.
  • minties82
    minties82 Posts: 907 Member
    edited June 2015
    Sabine_Stroehm wrote: »
    GaleHawkins wrote: »
    PPumpItUp wrote: »
    GaleHawkins wrote: »
    My scales readout started at 35 BMI and are down to 28 now. I can see I am to have to go down to 25 if my gut is going to become relatively flat. I really do not want to be below 25 should I get very sick.

    Scales that show your body-fat are notoriously incorrect. I bought an expensive scale that has a lot of different features and one of them is to test your BMI. It says I am 30% bf. I was perplexed with this figure so I did a tape test and it showed me at 21% bf. I then purchased some calipers on bodybuilding.com and when they came in my friend did a 6 point skin fold test on me which showed me to be at 22% bf, I repeated this test severmal times to make sure.

    Minties, there is no way your husband it 24% bf, he looks more like he is in the high teens, did he measure it on an electric scale? Get a cheap caliper and do a skin fold test or if you don't want to spend the extra money you can go with the slightly less accurate tape test.

    My scales are relatively correct because as my weight goes down so does my BMI. :) My % of water goes up so maybe fat cells do not contain water.

    BF or BMI?
    Not interchangeable, as far as I know.
    http://www.mayoclinic.org/bmi-calculator/itt-20084938
    I've never known a body comp (aka body fat) scale that tells you BMI (though it would be an easy easy thing to do, once it knows your height). Or am I missing something?

    I'm wondering why there is so much talk of body fat percentages also? Body mass index and body fat percentages are different things. Someone very muscular would have a relatively high BMI but could have a small body fat percentage.

    Are you guys thinking they are the same thing? Colour me confused. Of course BMI goes down as weight goes down, your mass is reducing.

    If my BMI correlated to my body fat percentage like that, then I would have 52.8kg of lower body mass and 30kg of fat. While I wish that were so, it's extremely unlikely that a 149cm/4'11" person has 52.8kg/116.5lbs of LBM. I would say my BMI of 37 does not correlate to a fat percentage of 37 at all.
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