Arthritis is an umbrella word. Under it sit more than a hundred conditions, osteoarthritis from joint wear and cartilage loss, rheumatoid arthritis from an immune system attacking the joint lining, gout, psoriatic arthritis, and others. They behave differently and are treated differently by physicians. But from a movement standpoint, they share one well-tested truth: appropriately loaded exercise helps, and avoiding movement because the joint hurts usually makes things worse over time.
The two types people mix up most
Osteoarthritis (OA) is the common one, covered in more depth in its own article. Pain that is worse with use and better with rest, morning stiffness that clears within about half an hour, and joints that gradually lose their easy movement.
Rheumatoid arthritis (RA) is inflammatory. Morning stiffness lasting an hour or more, joints that are warm and swollen, often in a matching pattern on both sides, like both sets of knuckles, and flares that come and go. RA needs medical management with disease-modifying medication; that part is not optional. Movement is the partner to the medication, not a substitute for it.
What the evidence says about exercise
For knee OA, Cochrane’s review of land-based exercise programs found consistent benefits for pain and function. For RA, a separate Cochrane review of dynamic exercise, aerobic training combined with strength work, across eight trials and 575 people, concluded these programs are safe, improve aerobic capacity and muscle strength, and that longer programs improve daily function. The reviewers recommended aerobic plus strength training as routine practice for people with RA. Two different conditions, same direction of evidence.
What physiotherapy looks like for arthritis
It starts with figuring out which joints, which activities, and what “a good day” should look like. Then:
- Strength work around the joint. Muscles are the joint’s shock absorbers. Stronger quadriceps genuinely unload an arthritic knee with every step.
- Range of motion, kept. Joints that are not moved through their range lose it, and lost range is hard to buy back.
- Aerobic exercise you will actually do. Cycling, walking, pool work, the best choice is the one that survives past week two.
- Flare planning. Inflammatory arthritis flares. A flare-day plan (gentler range work, heat or cold, pacing, relative rest for a day or two, then rebuilding) stops one bad week from becoming a lost month.
- Joint protection strategies. Small technique changes, how you grip, carry, stand up, pace a task, that reduce joint stress across the whole day.
The pacing mistake we see most
Boom and bust. A good day, someone does everything, garden, groceries, stairs, cleaning, then spends three days paying for it and moves less overall than if they had spread the work out. Arthritis rewards boring consistency: a moderate amount, most days, with planned rests. It is not the exciting answer, but it is the one that holds up.
When to check in with your doctor
A joint that becomes hot, red, and severely painful quickly (possible infection or crystal flare), new swelling in many joints at once, or pain patterns that change character are medical questions first. And if you have RA symptoms that sound like the description above but no diagnosis, that assessment matters, early treatment changes the long-term picture for RA in a way it does not for OA.
References
- Fransen M, McConnell S, Harmer AR, Van der Esch M, Simic M, Bennell KL. Exercise for osteoarthritis of the knee. Cochrane Database of Systematic Reviews. 2015;(1):CD004376. Summary: PMID 26405113
- Hurkmans E, van der Giesen FJ, Vliet Vlieland TPM, Schoones J, Van den Ende ECHM. Dynamic exercise programs (aerobic capacity and/or muscle strength training) in patients with rheumatoid arthritis. Cochrane Database of Systematic Reviews. 2009;(4):CD006853.
General information only, not medical advice. Inflammatory arthritis needs physician care; physiotherapy works alongside it.