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Thread: what EXACTLY is "LEAN BODY MASS"?

  1. #1
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    what EXACTLY is "LEAN BODY MASS"?

    Say a guys lean body mass is 175. Is that his body weight with 0% body fat?

  2. #2
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    I always refer to LBM as pure muscle mass when calculating gross (not net) gains:

    Say I gained 30 lbs off a cycle, and 15 of those lbs would be fat and water accumulation, I have really gained 15 lbs of LBM (lean body mass).

    That's the way I've always looked at it anyway.

  3. #3
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    Re: what EXACTLY is "LEAN BODY MASS"?

    Originally posted by PAGUY26
    Say a guys lean body mass is 175. Is that his body weight with 0% body fat?

    say that you were 200 pounds and your LBM was 175, you have 175 pounds of muscle on you and 25 pounds of fat/water/bone etc..

  4. #4
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    25lbs of fat water and bone? shit you must be like a rock.

    Lean Body Mass is not a real term...atleast not one that you can calculate and use. If yo're not counting water then you better cut out like 60% of your body weight atleast. And fat is easy to count since everyone thinks they know their bodyweight, we'll say like 15% BF. Now if yo'uve ever picked up a real skeleton in an anatomy class or something, it's not a feather, so i'll take an educated guess at 10%. So using you guys definition, i'm left with 15% of my body weight equals Lean Body Mass

    You can see how LBM is a useless term because nobody has a good definition of it. And even if we did, it's not something we can calculate off the top of our heads.

  5. #5
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    LBM is a good concept for people with a high BF. This makes figuring out how much protein you need much easier. I know a lot of guys that are pushing 300lb with probably 100lbs of fat yet they eat 300+g of protein because they have fallen into the myth that you need 1g/lb of protein. Your muscle weight is what counts for your protein intake, hummm and they wonder why they can't shed a few pounds!!! When you start getting leaner <11% BF (IMO) I think you don't have to worry so much about the LBM figure.

    Pain

  6. #6
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    Originally posted by brad fuel
    25lbs of fat water and bone? shit you must be like a rock.

    Lean Body Mass is not a real term...atleast not one that you can calculate and use. If yo're not counting water then you better cut out like 60% of your body weight atleast. And fat is easy to count since everyone thinks they know their bodyweight, we'll say like 15% BF. Now if yo'uve ever picked up a real skeleton in an anatomy class or something, it's not a feather, so i'll take an educated guess at 10%. So using you guys definition, i'm left with 15% of my body weight equals Lean Body Mass

    You can see how LBM is a useless term because nobody has a good definition of it. And even if we did, it's not something we can calculate off the top of our heads.

    Are you on crack? seriously?

  7. #7
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    lol and here i always thought it was lean tissue, bone and other "goo", everything but the fat

  8. #8
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    Originally posted by Decoder



    Are you on crack? seriously?
    you're the one that said don't count "fat/water/bone"

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