Knee Arthritis Is Not a Life Sentence: What Actually Works (and What the Research Says About Cortisone)
- Javier Diaz
- Jul 2
- 6 min read
"It's Just Arthritis" Is Not a Treatment Plan
You get the X-ray back, the doctor says "wear and tear," and suddenly the story in your head is written: the knee is worn out, it will only get worse, and a replacement is waiting somewhere down the road. It is one of the most common conversations we have at our clinic, and it is also where a lot of people give up on their knee far too early. If you have been searching for knee osteoarthritis treatment in Burlington, here is the part nobody put on the X-ray report: what you do with the knee matters more than what the picture shows. At Pursuit Physiotherapy, knee arthritis is one of the most common and most treatable conditions we see, and the research behind that statement is stronger than most people realize.
What Knee Osteoarthritis Actually Is
Osteoarthritis (OA) is a gradual change in the whole knee joint: the cartilage thins, the bone underneath adapts, and the joint can become stiff, swollen, and sore. It affects more than 250 million adults worldwide, and it is one of the leading causes of disability in people over 50.
Here is the reframe that changes everything about treatment. OA is not simple "wear and tear," like tread wearing off a tire. Joints are living tissue, and cartilage responds to load the same way muscle does: too little activity and it weakens, the right amount and it adapts. That is why the old advice to "rest it and save your steps" has been thoroughly replaced. A knee with arthritis does not need less movement. It needs the right movement, built up at the right pace.
It also matters to know that X-ray findings and pain do not line up neatly. Plenty of people in Burlington are walking around with "moderate arthritis" on imaging and no pain at all, while others with mild changes hurt every day. The picture is one input. It is not your future.
Why Knee Arthritis Flares Up
Most people with knee OA do not hurt at a constant level. The pain moves in waves, and the waves usually have drivers:
Activity spikes - A sudden increase in walking, gardening, golf, or pickleball after a quieter stretch. We see this every summer across Burlington, Oakville, and Waterdown.
Deconditioning - Weak quadriceps and hip muscles leave the joint absorbing forces the muscles should be sharing. Thigh muscle weakness is directly linked to how OA progresses.
Long periods of rest - Counterintuitively, doing less often makes the knee stiffer and more painful, which leads to doing even less. It is a spiral worth breaking early.
Body weight changes and life stress - Both influence joint load and pain sensitivity more than most people expect.
The pattern to notice: the knee is rarely "getting worse" in a straight line. It is responding to what is being asked of it, which means it can respond to a better plan too.
Signs and Symptoms of Knee Osteoarthritis
Aching or soreness in or around the knee, often worse after activity or first thing in the morning
Stiffness that eases within about 30 minutes of getting moving
Swelling after busier days
Grinding, clicking, or crunching sensations (these sound alarming but are usually harmless on their own)
Difficulty with stairs, kneeling, squatting, or getting out of low chairs
A knee that feels less trustworthy on uneven ground
If your knee locks completely, gives way regularly, or became painful after a specific injury, that deserves an assessment to rule out other problems before assuming it is arthritis.
What the Research Says: Physiotherapy vs Cortisone Injections
Cortisone injections are one of the most common treatments offered for knee arthritis, so it is worth knowing how they stack up against physiotherapy when researchers actually put them head to head.
A landmark randomized trial published in the New England Journal of Medicine followed 156 patients with knee osteoarthritis for a full year. One group received cortisone (glucocorticoid) injections, the other received physiotherapy consisting of manual therapy and exercise. At one year, the physiotherapy group had significantly less pain and disability, with average WOMAC scores of 37.0 versus 55.8 in the injection group. Only 10% of physiotherapy patients failed to achieve a meaningful improvement, compared to 26% of the injection group. (Deyle et al., 2020, New England Journal of Medicine)
Physiotherapy beat injections not just at the start, but a full year later
The physio program was modest: around 12 visits, front-loaded in the first 4 to 6 weeks with a few boosters
Functional tests like the Timed Up and Go also favoured the physiotherapy group
To be clear, injections still have a role for some patients, and that is a conversation to have with your physician. But if an injection is offered as the plan rather than a part of one, the evidence says you are leaving your best option on the table.
Our Approach to Knee Osteoarthritis Treatment in Burlington
Guidelines from around the world agree on the core treatments for knee OA: education, exercise, and weight management where relevant. Everything else supports those three. Here is how that looks in a one-on-one model at our Burlington physiotherapy clinic.
Getting the Full Picture First
Your first visit with Javier is a full hour, one-on-one. We look at how the knee moves, how strong the quadriceps, hips, and calves actually are, how you squat, climb stairs, and walk, and what your week of activity really looks like. We also rule out the conditions that mimic arthritis, because a meniscus problem, patellofemoral pain, and OA all need different plans.
Building the Knee Back Up
The engine of recovery is progressive strengthening, delivered through individualized exercise prescription rather than a generic sheet of exercises. And here is encouraging news from the research: intensity does not need to be brutal to work.
The START randomized trial in JAMA followed 377 adults with knee osteoarthritis through 18 months of strength training. High-intensity training was no better than low-intensity training at reducing knee pain. The lesson is not that exercise fails, it is that consistency beats intensity, and the program should fit the person. (Messier et al., 2021, JAMA)
That matters if you have been avoiding exercise because you pictured heavy squats through a painful knee. A well-built program starts where your knee is today and progresses at the rate it can adapt.
Hands-On Treatment and Other Tools
Alongside loading, we use manual therapy to improve joint mobility and settle irritated tissue so exercise is more comfortable, exactly the combination used in the NEJM trial above. For some patients, medical acupuncture is a useful addition for pain relief; Javier teaches medical acupuncture at McMaster University, so this is an area of particular depth in our clinic. What you will not get is a rotation of passive machines as the main event, because the evidence does not support treating knee OA from a table.
For active patients who want to keep playing golf, tennis, or pickleball with an arthritic knee, our sports injury rehabilitation approach bridges the gap between "pain is settled" and "ready for sport," so you return to the activities you love with a knee that can handle them.
What to Expect at Your First Appointment
Every appointment at Pursuit is one hour, one-on-one with a registered physiotherapist. No assistants, no double-booking, no being handed off after ten minutes. You will leave your first visit understanding what is driving your knee pain, what the plan is, and what you can do this week, whether you are coming from Millcroft, Aldershot, Hamilton, or Milton.
5 Things You Can Start Doing Today
Keep walking, but manage the dose. If a 45-minute walk flares the knee, try two 20-minute walks. Movement is medicine here; the dose just needs adjusting.
Strengthen your quads. Sit-to-stands from a chair are a perfect starting point. A few sets spread through the day adds up fast.
Do not fear the stairs. Stairs load the muscles the knee needs. Use the railing, go at your pace, and let it be part of the program rather than something to avoid.
Break up long sitting. Stiffness feeds pain. Stand and move for a minute or two every half hour.
Judge weeks, not days. A sore evening after a busy day is normal. The trend over two to four weeks is what tells you if the plan is working.
These are starting points. The program that actually changes the trajectory of an arthritic knee is matched to your strength, your goals, and your irritability level, and it progresses over months, not days.
When to See a Physiotherapist
You should get your knee assessed if the pain has lasted more than a few weeks, if it is limiting stairs, walking, sleep, or the activities you care about, if you have been told to "wait until it is bad enough for a replacement," or if you are relying on painkillers or repeat injections without an active plan. The earlier a knee with arthritis gets a proper program, the more options stay open, and for many people in the Burlington area, a well-run conservative plan delays or avoids surgery altogether.
Ready to get to the root of it?
If knee arthritis is shrinking your life one activity at a time, it does not have to. Book a one-on-one assessment at Pursuit Physiotherapy and get a plan built on what the evidence actually supports.
#201-4125 Upper Middle Road, Burlington | (905) 331-8993
Reference: Deyle G, Allen C, Allison S, Gill N, Hando B, Petersen E, Dusenberry D, Rhon D (2020). Physical Therapy versus Glucocorticoid Injection for Osteoarthritis of the Knee. New England Journal of Medicine, 382(15), 1420-1429. Read the study
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