I've had a few crashes, and I've never broken anything, which is weird because I have osteoporosis. Although it's being treated successfully now, I've known I had osteopeinia since I was in my mid forties, but every one of the drugs that came out then made me sicker than hell, so it's only been in the last 3 years that I've made progress in reversing the trend, with meds that i can tolerate. My worst crash, which occurred going downhill on a wet Vermont descent in the fall of 2005 did nothing but cause road rash and a bruise on my hip. I always fall on my left side, and I think that I kind of go limp and I purposely try and not break my fall with my hands. My DH had 2 broken wrists (one really broken and one a hairline fracture) from a fall off of a ladder and after seeing him go through that, I never want to deal with that !
And, I did weight bearing exercise from age 25-45 (high impact aerobics and step class), which did absolutely nothing to stop the progress of my bones deteriorating. In my case, it's genetic, as well as being short, white, thin.
My only regret is that I did stop mountain biking as I sucked at it and I fell all of the time!

