2-3 cm worth it?

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Hey guys, do you know of anyone that has done a very modest lengthening? Like 2-3.5 cm max.
Im considering doing only a few cm for a few reasons;

-Im about 176cm currently and I believe I will be happy looking around 180 with good posture a and good pair of shoes.

- Im a pretty serious athlete (not pro) and I dont want my balance/agility to be off

- To avoid hip/knee pain

Question is is it worth it for this very modest height increase?

Do you think its possible to recover 100% for sports with only 2-3 cm?


Thanks, I appreciate your answers

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MMA and some weightlifting/calisthenics

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Im more worried about martial arts, not so much weightlifting,

I used to wear lifts but they look too awkward