If your knee complains on the stairs, or your hip takes a few steps to loosen up after you've been sitting a while, that's a familiar story for a lot of people past their fifties. Osteoarthritis develops slowly, wearing down the cushioning tissue inside a joint — most often the knee or hip. It isn't something you're stuck watching get worse no matter what; the right exercise and a bit of load management change how a worn joint feels day to day.
Osteoarthritis is the gradual breakdown of cartilage, the smooth tissue that cushions the ends of bones inside a joint. As that cushioning thins, the joint space narrows, the bone underneath can thicken slightly, and small bony spurs sometimes form around the edges. It shows up most in the knee and hip, though the hands and the spine can be affected too.
It's a chronic condition, but that word puts people off more than it should. Chronic doesn't mean it only heads in one direction regardless of what you do — plenty of people keep a worn joint working well for years with a proper strengthening programme and some sensible pacing. The cartilage itself won't grow back, but pain, stiffness and function all respond well to the right treatment.
There's rarely a single cause behind it — osteoarthritis is usually years of ordinary joint use catching up, with a few things that speed the process along.
Don't wait until a joint stops you doing something you actually want to do. Get it checked if stiffness or pain is starting to affect stairs, walking distance, or getting up from a low chair or the car. It's also worth coming in if pain isn't settling with rest the way it used to, or if the joint feels like it might give way under you — that instability is something we can usually do a lot about with focused strengthening.
There's no single fix for a worn joint, but a structured plan makes a genuine difference to how it feels and functions. Here's roughly how we work through it.
We check how far the joint moves, how strong the surrounding muscles are, and which everyday tasks — stairs, walking, getting up from sitting — are giving you the most trouble. That picture shapes everything that follows.
During a flare-up, the priority is calming the joint down rather than pushing through it. Gentle mobility work, adjusting how much load goes through the joint, and sometimes heat or electrotherapy take the edge off while things settle.
Once pain settles, we build strength around the joint gradually, so the surrounding muscles start carrying more of the load the worn cartilage used to bear on its own. Functional training ties that strength back into stairs, walking and standing.
We pick from these based on which joint is affected and how far the wear has progressed — not every technique suits every stage.
Hands-on joint mobilisation to ease stiffness and keep the joint moving through as much of its range as possible.
A graded exercise programme built around what your joint can currently handle, progressed as tolerance improves.
Targeted strengthening of the muscles around the joint, so they take on some of the load the worn cartilage used to carry.
Gentle stretching to maintain flexibility and stop stiffness from settling in around the joint.
Heat and TENS-based options to ease pain during a flare-up, particularly useful before exercise.
Balance work to steady a joint that feels unstable and lower the risk of a fall.
Correcting how you walk once pain has changed your gait pattern, taking pressure off the affected side.
Adjusting posture and movement habits that quietly add extra load through the joint over time.
Osteoarthritis isn't something physiotherapy cures outright — it's something we manage, and manage well. Most people notice a real change in pain and function within six to eight weeks of sticking to a proper strengthening programme. That said, ongoing exercise tends to stay part of the picture long term, much the same way it would for keeping any joint in good working order. How quickly you improve, and how far it goes, depends a lot on which joint is affected and how advanced the wear already is by the time you start.
Generally, no — done the right way, exercise is one of the best things you can do for a worn joint. The wrong kind, like heavy high-impact loading through a badly inflamed joint, can aggravate things temporarily, which is exactly why the programme gets tailored rather than handed to you off a generic sheet.
The cartilage itself doesn't grow back once it's worn down, so no, not in that sense. What does change a great deal is how the joint feels and functions — pain, stiffness and strength all respond well to consistent treatment, even though the underlying wear stays roughly where it is.
Osteoarthritis is mechanical wear on the cartilage inside a joint, usually building up over years and often affecting one joint more than others. Rheumatoid arthritis is an autoimmune condition where the body attacks its own joint lining, typically affecting several joints on both sides of the body with more inflammation and longer morning stiffness. They're managed quite differently, so getting the right diagnosis matters.
Not for most people. A good number manage their symptoms well with exercise, weight management and pacing, and never need surgery at all. Replacement tends to become the right option once the joint is severely worn and other treatment isn't giving enough relief anymore — physiotherapy is usually tried well before that stage, and it often changes the timeline.
Ease off whatever loaded the joint heavily, rather than pushing through it, and use heat or a short rest period to help it settle. Complete rest for days on end usually isn't the answer either — gentle movement within a comfortable range keeps the joint from stiffening up further while it calms down.
Yes, and the effect is bigger than most people expect — every extra kilogram adds several kilograms of load through the knee with each step. Even a modest amount of weight loss can meaningfully reduce pain and slow how quickly the joint wears further.
This isn't a short course you finish and move on from — most people do best with some form of joint-friendly exercise several times a week, indefinitely. It doesn't need to stay intense forever; a maintenance level of strengthening and low-impact activity is usually enough to hold onto the gains.
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The earlier we get a proper look at a stiff knee or hip, the more we can do to keep it working well. Come in and let's build a plan around the joint you actually have.
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