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Author Topic: Difference between amount lenghtened and increase in height  (Read 483 times)

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Philosopher

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On the website of a clinic specializing in limb lengthening, I've read that 'on average, for each centimeter of lengthening achieved, you may expect a corresponding increase in height of approximately 0.6 to 0.7 centimeters.'

How true is this claim? How does it relate to those who have various conditions like bow legs, or longer than average tibias/femurs?
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In some northern regions of Samogitia, the average height for 20 year old males is around 6'3''.
So yes, you can say I am striving for average. 🙃

Estimate surgery date: 2026 summer

Body Builder

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Re: Difference between amount lenghtened and increase in height
« Reply #1 on: July 07, 2023, 10:16:23 PM »

This is true only for femurs. And not that much of a difference but something about 10% loss compared the amount you lengthened.
For tibias you gain exactly as much as you lengthened except you have very bowed legs but in that case you are gonna need to fix it together witl LL.
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GrowGrow123

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Re: Difference between amount lenghtened and increase in height
« Reply #2 on: July 07, 2023, 10:50:42 PM »

I believe there are two possible sources for this:

1) For femurs primarily, there is a slight bend or arch. So the bone being lengthened 1cm does not mean your standing height will go up exactly 1cm. However, the loss here is very minimal. It’s like 0.95cm for every 1cm lengthened.

2) There are some LL methods where you lengthen X amount, but lose a bit of that X once you’ve stopped lengthening and start consolidating.

Not sure which of these specifically the site you’re looking at is referring to (or both!)
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Mockups at www.limblengthener.com

5' 9.5" -> 6' 0.5" after Precise 2.2 Femurs in 2023

markr09

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Re: Difference between amount lenghtened and increase in height
« Reply #3 on: July 08, 2023, 01:49:05 PM »

What website is it? I feel like .6 to .7 cm per 1cm lengthened is pretty substantial for a normal femur natural bend. That means if you lengthened 5 cm, you only really stood taller 3.5cm. From what I've read and other people's accounts from doctors here, it's very minimal. Close to .9cm per 1cm.
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Ideal goal: (178cm~180cm) 5'10~5'11 with two separate bilateral(femur+tibia) lengthening / (183cm) 6' at max safe goal
Normal goal: (176cm) 5'9 with femur lengthening
Minimum goal: (173.5cm) 5'8 with femur/tibia lengthening

Plan in 2025~2026 when Precice Max comes and has some good outcomes.

Philosopher

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Re: Difference between amount lenghtened and increase in height
« Reply #4 on: July 08, 2023, 03:10:16 PM »

It's somewhere from wannabetaller, if I am correct.
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In some northern regions of Samogitia, the average height for 20 year old males is around 6'3''.
So yes, you can say I am striving for average. 🙃

Estimate surgery date: 2026 summer
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