Mainly diet and exercise. We're looking at a stationary bike and maybe regular bikes too (I could stand to lose a few pounds myself; I don't even want to know what's going on inside my joints... but I do know they hurt a lot less when I was 200# than they do now
). She got a cortisone-type shot and a scrip for non-narcotic painkillers that are supposed to work pretty well and not upset her stomach. There's quite a bit of arthritis in the knee so someday it may have to be replaced, but hopefully that's a long ways off.
Actually, that's basically what the surgeon said, too. We found his honesty refreshing.
That sucks about getting hit
Take your time and heal up. Make sure every little thing is documented if you have any aches and pains at all, and I hope you hired a mean vicious bastard of a lawyer.