Almost everyone with joint disease has been told to exercise, usually in a sentence at the end of a consultation, and almost nobody has been told what that means in practice. It deserves more than a sentence, because in some conditions it does more than any tablet.
What movement actually does
In osteoarthritis, exercise is the most effective single treatment available. It reduces pain and improves function more reliably than painkillers, and the effect lasts as long as the exercise continues. The mechanism is not mysterious: stronger muscles take load off the joint surface, and joints that move regularly stay better lubricated and less stiff.
In inflammatory arthritis, exercise does not replace disease-modifying treatment — nothing does — but it improves pain, fatigue, sleep, bone density and cardiovascular risk, all of which matter in conditions that raise heart disease risk independently.
In axial spondyloarthritis, a daily stretching and mobility routine is a core part of treatment rather than an optional extra. Loss of spinal movement is easier to prevent than to recover.
The concern people actually have
Most people are not lazy. They are worried that using a painful joint is wearing it out.
For the overwhelming majority, it is not. In osteoarthritis, appropriate exercise does not accelerate joint damage; inactivity and muscle weakness make things worse. In inflammatory arthritis, a joint that is actively hot and swollen should be rested, but that is a matter of days, not months.
Some ache during and after exercise is expected. The rule of thumb is that discomfort should settle within about twenty-four hours. If it is still worse two days later, the intensity was too high — reduce it, do not stop.
What to actually do
- Strength work, twice a week. This is the part most often skipped and it matters most. Bodyweight exercises are fine to begin with; resistance bands are inexpensive and effective.
- Aerobic activity, most days. Walking, cycling, swimming — whatever you will actually keep doing. Start at ten minutes if that is what is realistic, and build.
- Range of movement, daily. Particularly for the spine, shoulders and hands. A few minutes is enough if it is genuinely daily.
- Water-based exercise if weight-bearing is painful. The buoyancy allows work that would otherwise be impossible.
Consistency beats intensity by a wide margin. Three short sessions a week that continue for a year are worth far more than an ambitious programme abandoned in a month.
During a flare
Reduce, do not stop. Keep joints moving through their range even when strengthening is not possible, because stiffness sets in quickly and takes much longer to undo than it takes to develop. Return to your usual programme gradually as the flare settles.
Weight
Weight matters most for the knees, where every kilogram lost removes several times that in load through the joint with each step. Modest weight loss produces a measurable reduction in knee pain.
There is a second reason in inflammatory disease: fat tissue is metabolically active and contributes to inflammation, and people carrying more weight respond less well to several treatments, including some biologics. Weight loss is not a moral matter here — it changes how well treatment works.
Gout is the condition where diet is discussed most and understood least. Diet alone rarely brings uric acid down to target; medication does that. But reducing beer and spirits, sugar-sweetened drinks and fructose does help, and helps more than restricting the foods people usually assume are the problem.
Getting started
If you are not sure where to begin, or you have had a joint replacement or significant deformity, ask for a physiotherapy referral rather than improvising. A single session that sets up a routine you can actually follow is one of the better-value things in the whole of musculoskeletal medicine.
This article is general information and does not replace a consultation.