BearLeeAlive wrote in post #9296461
I have had a bum knee issue in the past, but got it operated on, and have always worked hard to keep my legs in shape, thought the rest has suffered some.

Sledding is fun, but it is very expensive and noisy, and it is tough to enjoy the scenery when blasting on one. I used to do tons of it many, many years ago and really don't miss it. Most guys who do sled, do so because they are too out of shape to ski.

I think the reason I felt more at home on a snowmobile was I rode motorcycles a lot in those days, and it just felt more natural to be on something that moved when I told it to. Even more important, it stopped when you wanted it to, which was not my experience with skiing
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My knees are pretty well shot. It's a combination of abuse (mostly from dirt bike riding), age, too much weight, and (I believe) a genetic predisposition to arthritis. I'm still getting around okay, and haven't considered any sort of surgery. Things will have to get a whole lot worse before I do.