Loose skin, does this affect body fat calipers accuracy???
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montanadanni
Posts: 184 Member
Hi everyone!
If someone has slightly loose skin( I don't mean fat, I mean skin and only skin) from big weight loss, will this affect when using body fat calipers?
For example if the tummy, upper arms, inner thighs have this saggy skin left how is a body fat caliper going to read that accuratly?
For me personally I have very little loose skin only in lower tummy and I hope to tighten it up more but my doctor said that some might never go away, no matter how lean and toned I get. So if I am very lean but still have skin, will the calipers read me as higher body fat since it can latch on to my loose skin?
What are your thoughts?
If someone has slightly loose skin( I don't mean fat, I mean skin and only skin) from big weight loss, will this affect when using body fat calipers?
For example if the tummy, upper arms, inner thighs have this saggy skin left how is a body fat caliper going to read that accuratly?
For me personally I have very little loose skin only in lower tummy and I hope to tighten it up more but my doctor said that some might never go away, no matter how lean and toned I get. So if I am very lean but still have skin, will the calipers read me as higher body fat since it can latch on to my loose skin?
What are your thoughts?
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Replies
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What a fantastic question! I hope to see answers to this one!0
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it seems like it would affect the results, but I have no real experience with this and can't tell you for sure.0
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I think that's how they're supposed to work. I thought they were designed for just this?0
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I think that's how they're supposed to work. I thought they were designed for just this?
No, they are designed to measure ones body fat % not how thick excess skin is.0 -
it seems like it would affect the results, but I have no real experience with this and can't tell you for sure.
I would think it would too. I wonder if there is a more accurate way to read body fat % for someone with loose skin?0 -
This article rates the various methods. Bod Pod, Dexa, and the water tank thing seem to be tops:
http://www.medicinenet.com/script/main/art.asp?articlekey=568300 -
I don't really think skin is "thick" I would assume that if it feels thick then there may be some fat there as well. I am no expert of course just my opinion. Which may be wrong.0
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Is the number that important if you are getting results?0
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no, the calipers will get a good reading regardless.0
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I thought that to get an accurate reading using calipers it is important to take readings on various body locations and average them. So an area with loose skin probably would not affect the overall reading that much.0
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I think it could affect your reading, depending on how much skin we're talking about here...but regardless, it would give you a baseline number. If the readings continually go down, and you're seeing results in the mirror, that's more important that the actual number in my opinion.
I mean, calipers just pinch...they don't tell you "oh, well this pinch is 20% skin and 80% fat" or vise versa...I don't think they are designed for people with tons of extra skin. Now just a small amount of excess skin probably won't affect it much...there's about a 3% margin of error anyway, even when it's done by someone experienced with caliper testing.0 -
I've been kinda curious about this too. It seems to me that when they use calipers that they pinch up and measure what's under the skin not the skin itself so much. But like the other poster said even if its not 100% right on it gives you a general base to go by so you can tell if you are at least reducing body fat...0
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Yes, it does.0
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Yes, it does.
No skin is skin, weather it is lose or not. Unless you wad up several layers of skin in the caliper, it will have no effect on the test.1 -
Yes, it does.
No skin is skin, weather it is lose or not. Unless you wad up several layers of skin in the caliper, it will have no effect on the test.
The fat is under the skin, how do they measure the fat without measuring the skin that takes up the space where the fat (or baby in women that have had children) once was (keep in mind the actual thickness of the many layers of skin on either side, fully surrounding the fat)? I'm not arguing. I am asking for info. Because clearly I need an accurate explanation of this, to be able to understand what you are claiming.
It is confusing for some people. Sometimes people that have a bmi of 16 post photos on here, pulling at their loose skin (from rapid weight loss) and think it is fat.0 -
I suppose what people are saying is that you still put the skin in the calipers (as you have to because it is over the fat), but the thickness of the measurement would be from the fat under the skin.0
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The fat is under the skin, how do they measure the fat without measuring the skin that takes up the space where the fat (or baby in women that have had children) once was (keep in mind the actual thickness of the many layers of skin on either side, fully surrounding the fat)? I'm not arguing. I am asking for info. Because clearly I need an accurate explanation of this, to be able to understand what you are claiming.
It is confusing for some people. Sometimes people that have a bmi of 16 post photos on here, pulling at their loose skin (from rapid weight loss) and think it is fat.I suppose what people are saying is that you still put the skin in the calipers (as you have to because it is over the fat), but the thickness of the measurement would be from the fat under the skin.
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Yes, it does.
No skin is skin, weather it is lose or not. Unless you wad up several layers of skin in the caliper, it will have no effect on the test.
This makes sense to me. I imagine that if your skin is loose, you'll just have a longer flap of skin to pinch - but the WIDTH of the pinched skin would be the same as if your skin were taut. Like... if the upholstery on your couch is loose and you pinch up a flap of it - the two pieces of fabric are the same width as if the upholstery were tight, but it's easier to pull more fabric up.
This is just my (possibly incorrect) deduction though.0 -
Yes, it does.
No skin is skin, weather it is lose or not. Unless you wad up several layers of skin in the caliper, it will have no effect on the test.
This makes sense to me. I imagine that if your skin is loose, you'll just have a longer flap of skin to pinch - but the WIDTH of the pinched skin would be the same as if your skin were taut. Like... if the upholstery on your couch is loose and you pinch up a flap of it - the two pieces of fabric are the same width as if the upholstery were tight, but it's easier to pull more fabric up.
This is just my (possibly incorrect) deduction though.
Yeah, that is what I think also (based on the responses here). I don't use calipers. My husband is a physicist and can do hydrostatic weighing for me. I just thought it seemed logical that loose skin would be one of the factors that results in false readings. But, this seems to be the reason it doesn't.
Prior to this, I was thinking of it this way:I think it could affect your reading, depending on how much skin we're talking about here...but regardless, it would give you a baseline number. If the readings continually go down, and you're seeing results in the mirror, that's more important that the actual number in my opinion.
I mean, calipers just pinch...they don't tell you "oh, well this pinch is 20% skin and 80% fat" or vise versa...I don't think they are designed for people with tons of extra skin. Now just a small amount of excess skin probably won't affect it much...there's about a 3% margin of error anyway, even when it's done by someone experienced with caliper testing.0 -
While the thickness of the skin is figured into the calculation of body fat measurement for calipers, what is being pinched to measure is the thickness of mass between a pinched area. If you pinched and were only holding just loose skin between and did the measurement, it would be inaccurate.
You can pinch skin on the back of your hand and if that was used as a measurement (like pinching loose skin around your arms for example) then the measurement would be wrong.
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