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Author Topic: How do I maintain femur-tibia ratios?  (Read 1116 times)

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Rando

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How do I maintain femur-tibia ratios?
« on: December 20, 2024, 06:20:44 AM »
Height: 174 cm
Inseam: 74 cm
Wingspan: 177 cm

I'm not 100% certain that I measured everything correctly. It can't be off by much though, if at all.

I'm 5' 8.75", and my "goal height" would be 6' 1", which is 185 cm. I know that the average male height is supposed to be 5' 9", but honestly I just doesn't jive with my with experience.

Going from 174 cm to 185 cm would be an increase of 11 cm.

1). How should I "apportion" the 11 cm, so as to maintain my femur-tibia ratios?

2). Which segment would I do first? I've read the femurs should be done first, but why is this?

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Activatedxx

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Re: How do I maintain femur-tibia ratios?
« Reply #1 on: December 20, 2024, 06:24:27 AM »
Femurs are a faster recovery and less complex because your tibias have a lot of nerves. If you’re doing both segments though, it doesn’t really matter which segment you start with.
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165cm starting. 8cm distracted. External LON Femur Buldu (Turkey) 2021. Nail removal @HSS (Usa).
Tibia external TSF 5cm, Assayag (Usa). In progress.
If considering external femurs please change your mind

Rando

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Re: How do I maintain femur-tibia ratios?
« Reply #2 on: December 20, 2024, 06:35:41 AM »
Is it true that US surgeons don't do quadrilateral lengthening? Like it's a safety concern?
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GrowGrow123

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Re: How do I maintain femur-tibia ratios?
« Reply #3 on: December 27, 2024, 11:05:07 PM »
I would do 7cm femurs and 4 cm tibias. This assumes you are absolutely certainly that you want to do both femurs and tibias.

Femur recovery is much better than tibia recovery. So I would shift most of the lengthening towards the femurs.
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Mockups at www.limblengthener.com

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

oklama

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Re: How do I maintain femur-tibia ratios?
« Reply #4 on: January 02, 2025, 05:19:57 AM »
Quote from: Rando on December 20, 2024, 06:35:41 AM
Is it true that US surgeons don't do quadrilateral lengthening? Like it's a safety concern?

They dont insert all rods at once because of risk for PE but you can lengthen at the same time
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21 yrs old
goal: 173/ 180cm (8cm + 7cm if possible)
Primarily looking at Assayag for Femurs and Assayag or Paley for Tibia.
Plan to do Humerus between femurs and tibs too (Only 5'6 wingspan)

Robert Adam

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Re: How do I maintain femur-tibia ratios?
« Reply #5 on: January 11, 2025, 06:03:43 AM »
The tibia/femur ratio is 0.8/1. 11 cm you can divide 4.9 / 6.1 cm.
But you can safely make 5 cm on the tibia, and 8 cm on the femur.
A better ratio is 4.2-4.3 / 6.7-6.8 cm.
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Robert Adam

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Re: How do I maintain femur-tibia ratios?
« Reply #6 on: January 11, 2025, 06:07:40 AM »

Combined Tibia & Femur, lengthening 3 weeks apart. https://limblengthening.org/lengthening-options/
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