My knees only hurt when I get up after sitting (or sometimes at night when I get up to pee). I have to limp for a bit and then they're okay. They use to be really weak and have other problems so other things were hard (one knee wouldn't lift, I could only step-over from the right side because my left knee wouldn't lift) but that's better as I've been walking about a mile a day and have lost 35 pounds.

But I'm at a loss as to how to work on fixing the only-hurts-after-sitting. Doesn't matter too much how long I sit, doesn't hurt when I sit, has gotten a little less intense with the exercise and weight loss, maybe I'll just keep that up and see if it eventually gets better. My doctor was no help and I don't know that I want to do all the testing and crap like that. I guess I'll just add squats to my walking and maybe figure out a way to keep my legs moving (a little hard with heavy board and laptop on my lap, my legs extended onto footstool or on the floor to make a level workspace).