If you've been told you've "got arthritis in the knee" and that's basically it, nothing more to do except wait for a replacement, I want to push back on that a bit. I see this a lot. Someone in their 50s or 60s comes in, X-ray shows some wear and tear, and somewhere along the line they've picked up the idea that moving the joint more is going to wear it out faster. So they start avoiding stairs, cut back on walks, maybe stop gardening. A few months later they're stiffer, weak