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Muscle-Building Workout and Diet


>>MARK: Hi I’m Mark Perry the creator of BuiltLean.com and today I’m going to answer the frequently
asked question, which is “What is lean body mass?”
It’s also known as LBM. I talk a lot about it on my website, and I
finally wanted to address it. So, lean body mass is the simple definition:
Everything in your body besides fat. So, what are we talking about? We’re talking about your blood, your bones,
your organs, your muscle, your skin. Again, anything that is not body fat.
And just so you know how to calculate it, essentially, you need your body fat percentage. It’s a little tricky sometimes, arriving at
your body fat percentage, I prefer to use a skin fold caliper, you can
also use what’s called Bioelectrical impedance analysis, which is kinda, you know, holding onto those,
you know, kinda machines Or, also you can do it by stepping on a scale
as well, but again, I strongly prefer calipers, specially if you have under 30% body fat. So once you have the body fat percentage calculation,
you’re gonna take your total body weight, multiply it by your body fat percentage,
and that’s gonna give you your fat in pounds. Now, to get your LBM you’re gonna take your
total body weight, subtract if from your fat pounds, now you got your LBM. And so, why is that so important?
Why is your LBM so important? Well, fundamentally, how to get lean,
is losing fat without losing muscle. So how do you know if you are not losing muscle?
If you don’t have an LBM calculation, you don’t know if you’re losing muscle.
So, having the LBM will allow you. Let’s just say you’re about 180 pounds. Right? You got, 30 pounds of body fat, If you lose, you know, let’s just say,
50 pounds of fat, without losing your LBM, then, your body fat percentage will obviously
decrease, however, if you’re losing half LBM, and half
fat, your body fat percentage is not gonna change
so much. So that’s one reason why I always talk about
the LBM, you wanna keep the LBM you have, or increase it and lose as much fat as you possibly can,
or that’s reasonably healthy. And so, I hope that’s been helpful, please do ask more questions, I’d love to
answer them, and I will see you next week.

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