172,5 to 187,5

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Hello,

I just had bone lengthening surgery and am lengthening my tibia.
my height: 172.5 cm
arm span: 174-175cm
sitting height: 90cm

I want to raise tibia by 7 cm and femur by 8 cm.

final height 187.5cm

the only question is whether the proportions will become so ridiculous that I will look like a dwarf on stilts.

The guy from lifeLiveTaller lengthened his legs by 20 cm and, honestly, it's a little noticeable, but the profit is so big that it outweighs the costs.

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6 inches is too much and it's not only about looking uncanny post lengthening but more importantly losing your function for many years if not permanently.

If you insist on lengthening that much, the final outcome depends on your leg to body ratio. If your leg to body ratio exceeds 0.51, you will look like dwarf on stilts.

Even I, who have very short legs and very big trunk, will look uncanny after 12 cm of lengthening as my leg to body ratio will exceed 0.51.

IMO, no living man can look good nked after 12 cm of total lengthening unless he had comically short legs to begin with. And Sedat from LLT had very short and bowed legs, it was a disability, he was not normal, that's why he looks good after 20 cm of lengthening, but no normal man will look good after even 15 cm of lengthening, 20 cm is just insane.

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Is the leg-to-body ratio measures from the ground to the protruding hip bone?

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No, it measures from outer ankle to femoral head. It's very hard to measure exactly without taking x-rays. Basically, it's the same as femur bone length + tibia bone length. If you measure your femur and tibia bone lengths (including their heads from both ends) on x-rays, you will get your exact leg length.

My tibia is about 35 cm, so femur in theory should be 43-44 cm. So, my total leg length is anywhere between 78-79 cm. Measuring femur bone without x-rays is very hard, I just multiply my tibia length to 1.25 (in accordance to 0.8 tibia / femur ratio) and get about 43-44 cm. Now, there are some men who have very short femurs, closer to their tibia length. I don't think I have that short femur as I feel that my tibia / femur ratio is very close to 0.8.

Now, 78 / 165 = 0.4727 and 79 / 165 = 0.4787.

If I lengthen 12 cm total at 78 cm current leg length, it will become (78 + 12) / 177 = 0.5084 and if I lengthen 12 cm total at 79 cm current leg length, it will become (79 + 12) / 177 = 0.5141.

As you can see, if my leg length is 79 cm, 12 cm lengthening is already pushing it as my leg to body ratio will exceed 0.51.

For me, the limit is 11 cm total lengthening before I start to look uncanny nked.

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According to this formula:

stature = 38.94 + 2.95 x femur length

165 cm = 38.94 + 2.95 x femur length so my femur length should ideally be 42.73 cm so very close to 43 cm.

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And, according to this formula:

Height (cm) = 123 + 1.24 X tibial length (cm)

My tibia length should be 165 cm = 123 + 1.24 x tibia length so it should be 33.87 cm, again, very close to 35 cm measurement I made by myself.

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femur: 44,56cm
tibia: 34,67 cm

add: 44,56 + 34,67 = 79,23
my height: 172.5cm

ratio legs to all height: 0,4593

Ratio tibia vs femur: 0,7782

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There's no way you're 7.5 cm taller and have exact same tibia length as me and just 1-1.5 cm more femur length.

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idiot, I have x-rays, not your measurement with a ruler.
your talk is worthless.

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That's a great explanation, I am also 165 with 38 cm tibias and 43 cm femurs,(got xrayed) , planning to get quadrilateral 12 cm, it'll become 93/177 = 0.525, my leg to body ratio will go high.