Started skiing in 1975. Can't ski any more, thanks to mucho ankle and knee injuries, but none of them were caused by skiing. As injury-prone as I am, I've never even gotten a scratch or bruise skiing. Pretty impressive for me.
I've never tried snowboarding or surfing.
Telemarking was pretty when someone else did it, but it looked way too much like work to me, which ruled it out quickly. I never even tried it after watching someone else do it for an hour or so.