Musculoskeletal & Sports Rehabilitation

osteoarthritis rehabilitation

/ OS-tee-oh-arth-RY-tis /

Osteoarthritis is the world's most common joint disease — the gradual wearing of the smooth cartilage that caps the bone ends inside a joint, most often the knees, hips, and hands. As the cushion thins, the joint stiffens, aches, grates, and swells, and tasks like climbing stairs, kneeling, or opening a jar get harder. Because the cartilage itself cannot be regrown, the focus is rehabilitation: getting the joint to work and feel better even though the wear is permanent.

It helps to be precise about what osteoarthritis is and is not. It is not simple 'wear and tear' from overuse alone; it is an active process of the whole joint — cartilage, bone, and lining — in which load, alignment, genetics, and previous injury all play a part. Pain correlates poorly with how bad a joint looks on X-ray: some badly worn joints barely hurt, and some mildly worn ones hurt a lot. This disconnect is freeing, because it means a joint that looks alarming on a scan can still be improved by changing how it is loaded and how strong the surrounding muscles are.

Rehabilitation is the cornerstone of treatment, and the order matters. The strongest evidence is for exercise (strengthening the muscles around the joint and aerobic conditioning) and, where relevant, weight management, which directly reduces the load through hip and knee joints. These are supplemented by education, walking aids, suitable footwear or braces, and pain relief, with injections (corticosteroid or viscosupplementation) and ultimately joint replacement reserved for when conservative care no longer keeps function acceptable. The honest message to patients is that rehabilitation does not cure or reverse the arthritis, but it reliably reduces pain and keeps people moving — often delaying or avoiding surgery.

A 62-year-old with painful knee arthritis is told (correctly) that exercise will not 'wear the joint out faster' — instead a quadriceps strengthening and walking program reduces the pain and lets her keep gardening, postponing any thought of a knee replacement.

Exercise is first-line for joint arthritis and does not 'wear out' the joint.

Rehabilitation manages osteoarthritis but does not regrow cartilage or reverse the disease. And X-ray severity correlates poorly with pain, so treatment should follow the symptoms and function, not the picture.

Also called
OAdegenerative joint disease退行性关节病退行性關節病