Duplicate of https://news.ycombinator.com/item?id=47640011 from a different but similarly named account.

>In 2021 I had the worst accident of my life. I misjudged a jump from a rooftop to a fence, fell badly, and ended up in a coma for three days. When I woke up, my vestibular system was damaged. The apparatus that controls balance. For weeks I couldn't walk straight without the world spinning. Most people would have quit parkour after that. I did the opposite.

Sounds like practice for a major athletic event https://darwinawards.com/darwin/