Is having a longer tibias naturally possible?

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No, it is not naturally possible, if all goes according to nature's plan. In fact, having tibiae equal to the femur is extremely disadvantageous. Your strides are shortened and you are inherently off balance. When the knee bends forward the whole length of the tibia tries to tuck under the femur, but struggles to do so.

In a perfect world one would do a limited amount of length on the tibia and then do 125% of that length to the femur. 4cm tibs/5cm femur, would be ideal. But we don't live in an ideal world, so doing exorbitant amounts on the lower legs will inevitably lead to disappointment and regret.

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I am not sure about whether having a proportion off the 0.8 will lead to biomechanical problems. The only way is to do it and find out? Are there any studies?

What I do notice is that basetkball players have very long tibia vs femurs.

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Quote from: ItsMyLife on February 16, 2015, 12:20:19 PMI am not sure about whether having a proportion off the 0.8 will lead to biomechanical problems. The only way is to do it and find out? Are there any studies?

What I do notice is that basetkball players have very long tibia vs femurs.

Post some pics where the ratios can easily be seen. Their tibias might seem long because they are but perhaps in actual inches they are not longer than femurs, optical illusions happen with slim lower limbs.

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Quote from: Puertoricanwasp123 on February 18, 2015, 04:42:45 AMPost some pics where the ratios can easily be seen. Their tibias might seem long because they are but perhaps in actual inches they are not longer than femurs, optical illusions happen with slim lower limbs.

its on the old forum where they posted pics of all athletes wearing little clothing (so you can see their proportions).
I think his femur is slightly longer than his tibia. same for the 6'5-ish female basketballer.
I read that short femurs are very advantageous for jumping and this was said by a professor who knows his stuff, which is why, he explains, how short people can jump and dunk.
But I could not find anything to back-up what he said.....