Surgery with Giotikas next year (I hope)

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If you already play sports and workout at the gym it's great, the most important thing is having a good physical condition overall. For example one of the most important movement during distraction is the DIP. You will use very much your arms, expecially during first weeks. So go on with your sports activitity routine, start running or walking if you can and that's all.
If you are a young man be patient and you'll have your athleticism back.

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According to Donghoon, most people who lengthened their tibia 5cm had complete recovery in their athletic abilities. I don't know if the same applies to femurs, but Donghoon has had probably hundreds of cosmetic cases so if he says something it is probably right.

Giotikas offers TSF for tibias as well, for a much lower price. Of course the discomfort is bigger and there will be scars, but I think it is also a lot less invasive than shoving the nail in your femurs, and it allows for correction of any malalignment. If I was going for only 5cm, I'd take this route. Perhaps it is worth considering.

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I'm thankful for your suggestion, but time for recovery is also longer right? Another issue is that I had issues with the flexibility of my tibias when I was kid: I had a bit of ballerina foot and I needed PT for recovery. Even though I have no issues now, I'm worried that I would have that problem with tibias, so I chose femur, as my harmstrings and quads are really good