#EffYourDXAScanStandards

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So I'm overweight. 5'9 and ~176 lbs. My body fat percentage according to dxa scan results today have me at 12.4. Visually, i look like I'm between the 20 and 25% body fat for men according to the pics of men's body fat% found online and on these forums

Losing weight at this point should be about fat loss and not muscle loss... so my deficit should be really small since I'm already quite close to "normal" bmi.

However, if the goal for health and longevity is to have a low body fat percentage, isn't 12% low enough? What risks am i proactively guarding against by lowering my body fat from 12% to under 10%?

Or is my understanding of all this stuff completely skewed?

Internet, please provide some direction.
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Replies

  • jemhh
    jemhh Posts: 14,261 Member
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    Your bf is well within the bounds of healthy.

    http://www.builtlean.com/2010/08/03/ideal-body-fat-percentage-chart/

    Going under 10% is a personal preference, not a health requirement.
  • Protranser
    Protranser Posts: 517 Member
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    Thank you! So my follow up question is, should i keep aiming for bmi 24.9? Will losing more weight also cause me to lose more muscle than fat?
  • Merkavar
    Merkavar Posts: 3,082 Member
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    Protranser wrote: »
    Thank you! So my follow up question is, should i keep aiming for bmi 24.9? Will losing more weight also cause me to lose more muscle than fat?

    Small deficit, enough protein and lift weights should minimise any muscle lose.
  • jemhh
    jemhh Posts: 14,261 Member
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    Merkavar wrote: »
    Protranser wrote: »
    Thank you! So my follow up question is, should i keep aiming for bmi 24.9? Will losing more weight also cause me to lose more muscle than fat?

    Small deficit, enough protein and lift weights should minimise any muscle lose.

    Agreed.

    Do you lift weights? They make a huge difference in your physique. I am near the top if my bmi range and still working on fat loss but look better than I ever did when thinner with less muscle.
  • Protranser
    Protranser Posts: 517 Member
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    Thanks everyone for your time :-)
  • Alatariel75
    Alatariel75 Posts: 17,959 Member
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    For people with higher muscle mass, BMI is completely skewed. Professional bodybuilders come up at obese in many cases. At 12% you are well within the healthy range for body fat. I think you'd be forgiven for doing away with BMI, it really is only useful for the very obese or underweight people.
  • Protranser
    Protranser Posts: 517 Member
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    I do bodyweight training, but not actual weight training with barbells/dumbbells. I do like how that has changed my physique; I'm just not sure if i should be at a deficit or maintenance calories. I'd imagine at a tiny deficit like this, it really won't matter if i have the extra 250 to eat or not.

    I don't see any health benefit to lower my body fat more if it's already in the low teens, so having a goal of getting to a lower bmi than i have now isn't something i need to concern myself with. I mean, i don't think i look terrible now. I have no aspirations to be a fitness model or underwear model. I think i can just maintain 25.8 bmi.

    I'm just confused about health benefits of having bmi 24.9 versus 25.8 considering my bodyfat is 12.4 as per dexa
  • Merkavar
    Merkavar Posts: 3,082 Member
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    Protranser wrote: »
    I do bodyweight training, but not actual weight training with barbells/dumbbells. I do like how that has changed my physique; I'm just not sure if i should be at a deficit or maintenance calories. I'd imagine at a tiny deficit like this, it really won't matter if i have the extra 250 to eat or not.

    I don't see any health benefit to lower my body fat more if it's already in the low teens, so having a goal of getting to a lower bmi than i have now isn't something i need to concern myself with. I mean, i don't think i look terrible now. I have no aspirations to be a fitness model or underwear model. I think i can just maintain 25.8 bmi.

    I'm just confused about health benefits of having bmi 24.9 versus 25.8 considering my bodyfat is 12.4 as per dexa

    Just a guess but I would say 1% BMI has zero difference.

    Like someone else said BMI isn't really for people with lots of muscles.

    It's meant to be for population studies, on average people, average people don't weigh 176lb with 12% body fat.

    So if you have more than average muscles BMI isn't a great indicator.
  • jemhh
    jemhh Posts: 14,261 Member
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    I wouldn't even worry about it then.

    Eat at maintenence and keep training.

    Just looked at your profile. Good work!
  • Alatariel75
    Alatariel75 Posts: 17,959 Member
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    Protranser wrote: »
    I do bodyweight training, but not actual weight training with barbells/dumbbells. I do like how that has changed my physique; I'm just not sure if i should be at a deficit or maintenance calories. I'd imagine at a tiny deficit like this, it really won't matter if i have the extra 250 to eat or not.

    I don't see any health benefit to lower my body fat more if it's already in the low teens, so having a goal of getting to a lower bmi than i have now isn't something i need to concern myself with. I mean, i don't think i look terrible now. I have no aspirations to be a fitness model or underwear model. I think i can just maintain 25.8 bmi.

    I'm just confused about health benefits of having bmi 24.9 versus 25.8 considering my bodyfat is 12.4 as per dexa

    Bugger all. Like I said, BMI is a generalisation and having a higher than average (even slightly) muscle mass will screw up the calculation. I honestly don't think there would be any benefit to you getting below 25, because as you say it would involve a loss of muscle mass
  • Protranser
    Protranser Posts: 517 Member
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    I don't think of myself as having more than average muscle mass, which is probably where my confusion stems. Thank you all for insightful commentary :-) i will not worry about dropping to 24.9 anymore!
  • Merkavar
    Merkavar Posts: 3,082 Member
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    Protranser wrote: »
    I don't think of myself as having more than average muscle mass, which is probably where my confusion stems. Thank you all for insightful commentary :-) i will not worry about dropping to 24.9 anymore!

    If you have 12% body fat and a BMI over 25 I think it's safe to assume you have above average muscles.

    Maybe you comparing yourself to other more muscular people and not to the average joe on the street.


  • Protranser
    Protranser Posts: 517 Member
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    Merkavar wrote: »
    Protranser wrote: »
    I don't think of myself as having more than average muscle mass, which is probably where my confusion stems. Thank you all for insightful commentary :-) i will not worry about dropping to 24.9 anymore!

    If you have 12% body fat and a BMI over 25 I think it's safe to assume you have above average muscles.

    Maybe you comparing yourself to other more muscular people and not to the average joe on the street.


    This is true! :-)
  • senecarr
    senecarr Posts: 5,377 Member
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    For being overweight by BMI, but having body fat that is, lean, your health is probably fine.
    Not all epidemic information is known to be the same for BMI and for body fat ranges, particularly BMI that is obese. For example, sleep disturbances track with BMI, and having low body fat doesn't negate the association. As most disease information tracks BMI without body fat, an honest answer is, we don't know, but the inclination is you're fine.
  • Protranser
    Protranser Posts: 517 Member
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    Alright :-) I'll stop worrying now. Thanks again! You're all very comforting
  • tomatoey
    tomatoey Posts: 5,459 Member
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    I think you've settled at where you're going to be, given your lifestyle and fitness preferences. If you like bodyweight workouts, and don't want to lift, and don't want to lose more weight, you won't make more muscle or reduce body fat. That's fine. You're healthy. You don't have to look like a fitspo meme.
    Merkavar wrote: »
    Protranser wrote: »
    I don't think of myself as having more than average muscle mass, which is probably where my confusion stems. Thank you all for insightful commentary :-) i will not worry about dropping to 24.9 anymore!

    If you have 12% body fat and a BMI over 25 I think it's safe to assume you have above average muscles.

    Maybe you comparing yourself to other more muscular people and not to the average joe on the street.


    Although maybe you already do?
  • Sued0nim
    Sued0nim Posts: 17,456 Member
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    These guys are spot on

    Also ..you've lost 102lbs ...so you've got higher than average muscles just from living with that extra weight and you've clearly protected some on your weight loss journey

    The BMI scale is fairly irrelevant on a personal level
  • Protranser
    Protranser Posts: 517 Member
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    Looking at a picture I took of myself today, I definitely can stand to lose some more fat. I think trying to bulk and cut may be the wrong idea for me because, objectively, my torso looks like 20-25% even though the dxa claims ~11% in the torso.

    So recomp is the idea at this point, not deficit, right? Okay, I'll do it that way.

    Thanks everyone!
  • WBB55
    WBB55 Posts: 4,131 Member
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    Based on your last post, I think you should stay at your current weight and recomp for a bit. Also, if you JUST lost the 100 lbs, that means you have a lot of lose extra skin. I think you feel you "look" like 20-25% because of this loose skin more than actual fat mass. If you are at 25 BMI and 12% BF, in my opinion, you are near the ideal weight vs. muscle.

    I think what your skin needs is some time to recover from losing 100 lbs. Do the recomp, give your skin some time. After 6-9 months, you'll have a better idea if you need to bulk certain areas or cut more fat that's actually fat and not just weird loose skin. Just my 2 cents.
  • jemhh
    jemhh Posts: 14,261 Member
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    WBB55 wrote: »
    Based on your last post, I think you should stay at your current weight and recomp for a bit. Also, if you JUST lost the 100 lbs, that means you have a lot of lose extra skin. I think you feel you "look" like 20-25% because of this loose skin more than actual fat mass. If you are at 25 BMI and 12% BF, in my opinion, you are near the ideal weight vs. muscle.

    I think what your skin needs is some time to recover from losing 100 lbs. Do the recomp, give your skin some time. After 6-9 months, you'll have a better idea if you need to bulk certain areas or cut more fat that's actually fat and not just weird loose skin. Just my 2 cents.

    I was thinking the same thing.

    Eating more will increase your growth hormones, which can help with the skin repair. It seems like this is a good phase for you to move to, OP.