For 6cm of length, is tibias or femurs better?

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As topic. Cost wise and pain level/complications wise.

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Femur (tibia is not even safe at 6cm,this alone makes femur better )
Cost is less , recovery is faster .

Heard that chances of PE are higher on femur but other then this and maybe stretching pain..femur has all the others benefits .

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6-7 cm (or 20% of your initial bone length) is generally considered the limit on your tibias, while femurs are roughly 7.8-8 cm (again, 20% of your bone length). Assuming you have longer femurs than your tibias, femurs would be the best option.

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You may not be able to reach 6 cm on tibias, but 5 cm tibias will probably still make you look taller than 6 cm femurs. However there’re some studies showing significant correlation between increasing tibia femur ratio and knee arthritis. So tibias will make you look taller, but femurs are safer.

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How about someone with naturally short tibias? I have a self-measured tibia-femur ratios of around 0,77. Infact most people of East Asian ethnicity tend to have shorter tibias according to Dr Lee.

Furthermore, tibia is actually quite alot cheaper if you go with LON/LATN/externals compared to the internal nail options. Most surgeons will not even do external fixators on femurs for safety reasons while external fixators on tibias is a old and accepted method.

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Quote from: SuchLL on December 06, 2021, 06:26:07 PMYou may not be able to reach 6 cm on tibias, but 5 cm tibias will probably still make you look taller than 6 cm femurs. However there’re some studies showing significant correlation between increasing tibia femur ratio and knee arthritis. So tibias will make you look taller, but femurs are safer.

Do you have a link to such a study?

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Quote from: ReadRothbard on December 06, 2021, 04:13:19 PM6-7 cm (or 20% of your initial bone length) is generally considered the limit on your tibias, while femurs are roughly 7.8-8 cm (again, 20% of your bone length). Assuming you have longer femurs than your tibias, femurs would be the best option.

To be clear though 20% is generally the absolute limit for doctors that are responsible, 15% would be considered “safe”.

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Quote from: Alija2 on December 07, 2021, 12:07:38 AMDo you have a link to such a study?

right here:

https://pubmed.ncbi.nlm.nih.gov/26398436/

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Quote from: SuchLL on December 06, 2021, 06:26:07 PMYou may not be able to reach 6 cm on tibias, but 5 cm tibias will probably still make you look taller than 6 cm femurs. However there’re some studies showing significant correlation between increasing tibia femur ratio and knee arthritis. So tibias will make you look taller, but femurs are safer.

what about 7-8 cm on femurs? will it make u look taller than 5cm tibias?

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Quote from: Michael J. Assayag, MD on December 09, 2021, 06:40:08 PMright here:

https://pubmed.ncbi.nlm.nih.gov/26398436/

So increasing the Tibia length (bilateral) only is likely to promote arthritis in the hip and knee, however increasing the Femur length (bilateral) only has no known long term issues?