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Speaker 1: Welcome to Fitness Disrupted, a production of I Heart Radio.

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Speaker 1: I am Tom Holland, and this is Fitness Disrupted. Let's

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Speaker 1: talk about yet another acronym in health and wellness b

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Speaker 1: m I. What does that stand for? Body mass index?

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Speaker 1: Some of you may know what that means, many of

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Speaker 1: you do not, And I'm sure there's confusion out there

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Speaker 1: even if you kind of think you know what it means.

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Speaker 1: So let me explain it to you, all right, your

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Speaker 1: body mass index. It is a screening tool that can

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Speaker 1: indicate whether you're underweight, whether you're a healthy weight, or

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Speaker 1: whether you're overweight. And as I've said on so many

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Speaker 1: occasions in so many other shows, we want to be

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Speaker 1: our healthiest weight, not too little and not too much

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Speaker 1: because both come with an increase in health risks. We

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Speaker 1: want to be our healthiest weight. Okay, So the b

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Speaker 1: M I is not accurate enough to be used as

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Speaker 1: a diagnostic tool. It's a screening tool. Okay. What does

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Speaker 1: it take into account? Only two things, and that's where

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Speaker 1: it can become problematic. It's just your height and your weight.

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Speaker 1: It's a formula that utilizes your height and your weight.

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Speaker 1: And I will give it to you in a second,

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Speaker 1: but it does not measure your body fat directly, and

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Speaker 1: it doesn't account for your age, your sex or things

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Speaker 1: like that. Then you're saying why use it. Well, unfortunately

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Speaker 1: it works for a large part of the population because

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Speaker 1: even though it does not take into account muscle mass,

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Speaker 1: there aren't a lot of people running around with a

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Speaker 1: lot of muscle mass to make this formula go away,

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Speaker 1: and that would be awesome, and I'm one of those people.

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Speaker 1: So I will give you my numbers. I am if

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Speaker 1: nothing transparent, So I just had a physical recently. My

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Speaker 1: number is twenty eight point seven and that's overweight, and

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Speaker 1: I will give you the ranges shortly. But I have

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Speaker 1: a significant amount of muscle mass because I've been lifting

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Speaker 1: weights and doing push ups since i was fourteen years old.

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Speaker 1: So I am also on the shorter side, or Seinfeld says,

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Speaker 1: I am not overweight, I am under height. But the

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Speaker 1: b M I again, it's just your height and your weight.

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Speaker 1: So the formula is your weight in pounds times seven

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Speaker 1: oh three, and then you're gonna divide that by your

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Speaker 1: height in inches squared. I know it's it's a little complicated,

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Speaker 1: but it's not for those of you using the metric system,

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Speaker 1: you would use your weight in kilograms divided by your

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Speaker 1: height in meters squared. All right, So you're gonna divide

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Speaker 1: your weight in kilograms by the square of your height

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Speaker 1: in meters. So you're gonna divide your height in centimeters

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Speaker 1: by one hundred to get your height in meters. All right.

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Speaker 1: So let me give you my specific numbers. So I

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Speaker 1: weighed in at my recent physical I'm on the higher

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Speaker 1: end a little a couple of extra pounds. It's winter,

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Speaker 1: it's a Peano noir time. But as I will show you,

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Speaker 1: the numbers are skewed because of my muscle. So dight

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Speaker 1: nine pounds. Yeah, I'm up there, And so you multiply

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Speaker 1: that by seven oh three. That comes out to hundred

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Speaker 1: thirty two thousand, eight hundred sixty seven. All right. Then

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Speaker 1: you take my height in inches squared sixty eight inches

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Speaker 1: squared four thousand, six twenty four. You divide the first number,

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Speaker 1: hundred thirty two thousand, eight sixty seven by four thousand,

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Speaker 1: six hundred twenty four. You come out with yes, twenty

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Speaker 1: eight point seven. Okay, So let me give you the

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Speaker 1: chart below. Eighteen point five is considered underweight. Eighteen point

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Speaker 1: five to twenty four point nine. That's in the healthy range.

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Speaker 1: Here's where I fall on the higher end of the

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Speaker 1: overweight twenty five point zero to twenty nine point nine overweight,

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Speaker 1: and if you're over thirty b m I that is

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Speaker 1: considered obese. Now again, it doesn't take into account muscle,

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Speaker 1: so you can be skewed as I am. I'm not

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Speaker 1: saying listen, I got a couple extra pounds I will

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Speaker 1: get off. But it's not all that it seems when

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Speaker 1: it comes to the chart because I am on the

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Speaker 1: heavier muscle side. Bodybuilders, holy smokes, obviously way there in

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Speaker 1: the the obese range, even though they have low body fat.

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Speaker 1: So it doesn't take into account body fat. But it

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Speaker 1: does work because people aren't lifting weights enough, because we're

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Speaker 1: not building enough muscle mass. And that would be awesome.

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Speaker 1: As I said earlier, is for this to go away

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Speaker 1: and say, you know, people, uh, it doesn't work because

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Speaker 1: more people have muscle uh than not. But we're not there.

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Speaker 1: So it's a screening tool. It's not a diagnostic tool.

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Speaker 1: You need to know your numbers, but it's something a

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Speaker 1: doctor can use to start that conversation about healthy eating

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Speaker 1: and exercise. But there you have it if you are

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Speaker 1: someone who lifts weights, male or female, because it doesn't

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Speaker 1: take into account any of that stuff. It's a starting

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Speaker 1: point and unfortunately, again it works because we're not lifting weights.

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Speaker 1: It's yet another sign and reason for us to get

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Speaker 1: on that bandwagon for people to realize the value of

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Speaker 1: strength training and building lean muscle. The more lean muscle

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Speaker 1: you have, the more your your body burns calories twenty

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Speaker 1: four hours a day, seven days a week. It is

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Speaker 1: the only natural way to do that twenty four hours

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Speaker 1: a day is to build lean muscle to increase your metabolism. Okay,

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Speaker 1: so body mass index, Yes, there is some value to it, obviously,

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Speaker 1: but get to that point where you're like me, on

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Speaker 1: the higher end because you have a lot of muscle.

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Speaker 1: And let me say this, had a new doctor, changed doctors.

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Speaker 1: My my doctor retired at like ninety and so my

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Speaker 1: most recent physical was with a new doctor. She didn't

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Speaker 1: say anything about the weight because the b m I

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Speaker 1: didn't show a true indication of where I was. And

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Speaker 1: so hopefully, if you're not there yet, get there. And

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Speaker 1: if you are there as far as your b m I,

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Speaker 1: you're on the higher side. Because of my soul that's great,

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Speaker 1: but we all have the ability to change those numbers. Okay,

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Speaker 1: b M I. There you have it. It works and

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Speaker 1: it doesn't. The more muscle you have, the less accurate

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Speaker 1: it is. Thank you for listening. Hope you're enjoying the

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Speaker 1: shorter shows. Please rate the show if you have not already,

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Speaker 1: and thank you for doing so. And if you want

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Speaker 1: to leave comments, please do. I will answer questions in

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Speaker 1: future shows. Tell a friend thank you again for listening.

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Speaker 1: I am Tom Holland. Believe in Yourself. Fitness Disrupted is

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Speaker 1: a production of I Heart Radio. For more podcasts from

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Speaker 1: my heart Radio, visit the I heart Radio app, Apple Podcasts,

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Speaker 1: or wherever you listen to your favorite shows.