Why the Outside of Your Knee Hurts When You Run
Sharp outer knee pain bringing your run to a halt? Learn what ITB syndrome really is, why foam rolling alone won't fix it, and how PEAK's Brisbane physios get you running pain-free.
Read More
Blog
KNEE OSTEOARTHRITIS TREATMENT
“Bone on Bone,” Why Your Knee X-ray Is Not a Life Sentence
Few phrases land harder in a consult room than “bone on bone.” If you are seeking effective knee osteoarthritis treatment Brisbane patients rely on, this moment usually arrives with a knee X-ray, a grim look, and a quiet assumption that the road ahead leads straight to a knee replacement. So they stop running. They skip the stairs. They shelve the hiking trip. And here is the frustrating part: the research says most of that fear, and most of that shrinking of life, is unnecessary.
Share this Article:
What’s Actually Going On
Osteoarthritis is the most common joint condition in Australia, and the knee is its favourite address. But the old “wear and tear” story, where cartilage grinds away like a brake pad until the joint is ruined, has not survived the science. Osteoarthritis is better understood as a whole-joint process involving cartilage, bone, muscle and the joint lining, and crucially, it is one your body can adapt to when it is loaded well.
Here is the finding that should change how you read your scan report. A major systematic review by Culvenor and colleagues pooled imaging studies of adults with no knee pain at all. Among pain-free adults aged 40 and over, up to 43 per cent showed cartilage defects on MRI, and around a quarter had osteophytes, the bony spurs that sound so alarming on a report. These people had “arthritic” knees on a screen and felt fine. The reverse is also true: plenty of people with dramatic-looking X-rays have little pain, while others with mild changes hurt a lot. The picture is not the pain.
That does not mean your pain is imaginary. It means the amount of change on your X-ray does not decide how much pain you will have, how well you will function, or what your knee can do next year. Those things are driven far more by factors you can change: strength, load, weight, confidence and activity.
What Causes It
In the knees we assess at PEAK, the pattern behind painful osteoarthritis usually includes several of these:
- Quadriceps and gluteal weakness. Weak thigh and hip muscles leave the joint absorbing forces the muscles should be sharing. This is the most consistent modifiable factor in the research.
- Long gaps of doing very little, then sudden spikes. Cartilage is living tissue that adapts to regular load. Months of protecting the knee followed by one big weekend of walking is exactly the recipe for a flare.
- Previous knee injury. An old ACL rupture or meniscal injury raises the odds of osteoarthritis years later, which is why we care so much about full rehabilitation the first time.
- Body weight. Extra load matters mechanically, and fat tissue also produces low-grade inflammation that sensitises joints. Even modest weight loss meaningfully reduces knee pain.
- Fear and avoidance. Believing the knee is fragile leads to less movement, weaker muscles and a more sensitive joint. The belief itself becomes part of the problem.
An Inside View: A Knee Physiotherapist’s Take
Callum MacDiarmid, senior physiotherapist at PEAK and one of our knee pain practitioners, sees the “bone on bone” conversation play out weekly.
“The hardest part of my job is often not the knee, it is the sentence someone was given with their X-ray,” Callum says. “People arrive having already retired themselves from everything they love. When we test them, their knee is usually far more capable than they have been told. Twelve weeks of progressive strength work later, the same knee that was supposedly finished is climbing hills again. The X-ray never changed. The person did.”
Our Approach: Pain, Prevention, Performance
Knee osteoarthritis care at PEAK follows our Pain, Prevention, Performance framework. First, the pain. Hands-on treatment, activity modification and simple strategies settle an irritable knee so you can move again. What we do not reach for is the operating theatre. A landmark review in the BMJ by Thorlund and colleagues found that arthroscopic “clean-up” surgery for degenerative knees offers, at best, a tiny short-lived benefit while carrying real surgical risks, and it is no longer recommended for knee osteoarthritis. Australian guidelines, including the RACGP guideline for knee and hip osteoarthritis, put exercise and education first, not scalpels and not scans.
Then prevention. This is where structured exercise earns its reputation. The GLA:D program, an education and exercise protocol developed in Denmark and run across Australia through La Trobe University, has tracked thousands of participants: knee osteoarthritis participants report an average pain reduction of around a third at twelve months, alongside less pain medication and better quality of life. Twelve supervised sessions and two education sessions, and outcomes that hold a year later. Our exercise-based knee osteoarthritis care is built on the same principles: progressive strengthening, load management and education that puts you back in charge of your knee.
Finally, performance. Managing osteoarthritis is not about lowering the bar on your life. Once the knee settles and strength returns, we keep building toward what you actually want: the bushwalk, the return to netball, the pain-free flight of stairs at work. A knee replacement remains a genuinely good operation for the right knee at the right time, but the evidence is clear that many people who commit to strength work delay it for years or never need it at all.
Managing It Before Your Appointment
If your knee is aching and a scan report is haunting you, start here:
- Keep moving every day. Motion is lotion for an osteoarthritic knee. A flat walk within comfortable limits beats a week on the couch every time.
- Start simple strength work. Sit-to-stands from a chair, small step-ups and gentle wall squats, a few times a week. Some discomfort during exercise is acceptable and safe; sharp escalating pain is your cue to scale back, not stop entirely.
- Warm the knee up before load. A few minutes of easy movement before a walk or a round of golf makes the same activity feel noticeably better.
- Smooth out your load. Spread activity across the week rather than saving it all for one big day.
- Retire the phrase “bone on bone” from your vocabulary. Talk about what your knee did this week instead of what your X-ray said last year.
How PEAK Provides Knee Osteoarthritis Treatment Brisbane
You can book directly with our team, no GP referral required. Our physiotherapists will assess your knee properly: strength, movement, load history and goals, not just your scan. From there we build a progressive, evidence-based program to settle your pain, strengthen the joint and get you back to the things an X-ray report told you to give up.
An osteoarthritis diagnosis is the start of a plan, not the end of your story. If your knee has been making the decisions lately, book an assessment with our team and let us help you take the pen back. This is how we help our patients experience things they never felt possible.
Frequently Asked Questions
Can exercise really help if I have “bone on bone” knee osteoarthritis?
Yes, absolutely. Clinical guidelines worldwide, including RACGP and OARSI, recommend structured exercise as the first-line treatment for knee osteoarthritis. Progressive strength work builds the quadriceps and gluteal muscles to absorb joint forces, while controlled movement helps lubricate cartilage and reduce overall pain sensitivity—regardless of what your X-ray shows.
Do I need a doctor’s referral to start knee osteoarthritis physio at PEAK?
No GP referral is required. You can book an appointment directly with Callum MacDiarmid or any of our sports physiotherapists at PEAK. If you have private health insurance, you can claim your rebate on the spot at our clinic.
What is the GLA:D program, and is it offered at PEAK?
The GLA:D program is an evidence-based education and exercise framework developed in Denmark for people with hip and knee osteoarthritis. Studies show participants report an average 30%+ reduction in pain and significant improvements in mobility. At PEAK, our exercise-based osteoarthritis care is built on these exact same principles of supervised, progressive loading.
How do I know if I actually need a knee replacement?
A joint replacement is a legitimate option for severe, end-stage osteoarthritis, but it should never be the first step. Evidence shows many patients who commit to a 12-week targeted strength and education program experience enough pain relief and functional gain to delay or completely avoid surgery. A comprehensive assessment at PEAK will help clarify if conservative care is right for you.
Is it safe to exercise if my knee aches during or after a session?
Yes, mild discomfort during exercise is safe and expected. A temporary flare or low-level ache (up to 3-4 out of 10) that settles within 24 hours is a normal adaptation response. Our physiotherapists guide you on exact load management so you build strength safely without overloading the joint.
From Prevention to Performance. Start Today!
Sources:Culvenor et al., British Journal of Sports Medicine 2019 (systematic review and meta-analysis: knee osteoarthritis features on MRI in up to 43 per cent of pain-free, uninjured adults aged 40 and over); Thorlund et al., BMJ 2015 (systematic review: arthroscopic surgery for degenerative knee offers small, short-lived benefit and is not recommended); GLA:D Australia annual report data via La Trobe University (average knee pain reduction of approximately 31 per cent at 12 months, reduced pain medication use); RACGP Guideline for the Management of Knee and Hip Osteoarthritis, 2nd edition 2018 (exercise and education as first-line care).