Is Walking Good for Bone-on-Bone Knee Pain? What Evidence Says

By HathawayMD.com Editorial Team

Evidence-review disclosure: This is an independent review of published research, not a diagnosis and not a test of any walking program on a real patient. Sources checked October 2, 2026. It is general education and does not replace an exam by a clinician who has looked at your knee and your imaging.

Short answer: walking helps many people with knee arthritis, but “bone-on-bone” is where the research gets thin

Walking is one of the exercises studied for knee osteoarthritis, and the trials mostly found modest benefits for pain and everyday function. The catch is that most of that evidence comes from people with mild to moderate arthritis. If your knee has been called bone-on-bone, treat walking as something to test carefully and track, not something to assume is fine or off-limits. The log below is built for that.

What the research supports, and where it stops

• Exercise helped in the trials, modestly. A review of 17 randomized trials, Petrella, “Is exercise effective treatment of osteoarthritis of the knee?” (West J Med 2001), found a small-to-moderate effect on pain and small effects on disability and walking performance. The author said this applies to mild-to-moderate arthritis and rests on a limited number of studies.
• Long-term and dose answers are missing. The same review says long-term benefit has not been established and that no dose-response relationship has been shown. It also covers trials published through early 2000, so it is dated.
• A walking-specific trial looked reassuring. In a 1992 randomized trial of supervised fitness walking plus education, the walking group increased six-minute walking distance by about 70 meters (18.4%) from baseline and reported about 27% less arthritis pain. The authors concluded that function improved without worsening pain or symptoms. The abstract does not say how advanced the participants’ arthritis was.
• A newer walking program measured pain around each walk. In the WALK study, people with knee osteoarthritis followed a 24-week outdoor walking program. Their pain before exercise improved by about 1.2 points on a 0-to-10 scale over the program.
• The gap. One observational study of long-term walking, from the Osteoarthritis Initiative, looked at people with mild or high-risk knee arthritis (Kellgren-Lawrence grades 0 to 2). None of this proves what walking does at the bone-on-bone stage, for better or worse.

If you feel hesitant to walk on a painful knee, you are not unusual. A study of treatment preferences found that people with more knee pain were less inclined to choose exercise.

What “bone-on-bone” does and does not tell you

In knee osteoarthritis the cartilage wears down, and the Cleveland Clinic describes the result as bones rubbing, with friction, inflammation and bone spurs. But a scan and symptoms do not always match. A 2021 review (Jang et al.) notes that not everyone with arthritis on X-ray has symptoms, and not everyone with joint symptoms shows arthritis on X-ray. So the picture of your joint cannot tell you how your knee will react to a walk. How the knee behaves after walking is better evidence for you, which is why the log matters.

How much walking is reasonable? No study has set a number

The Petrella review suggests exercise of about three or more sessions a week at mild-to-moderate intensity, such as walking, for at least eight weeks before expecting results. That is the author’s general framework for knee arthritis, not a prescription for your knee. As a practical suggestion rather than a research finding, a reasonable amount is one your knee settles from within about a day. Start below the point where your pain climbs, and change only one thing at a time (time or pace, not both).

The walking-response log

Use a notebook or phone note. After each walk, write down:

1. Date and walk size: minutes or distance, and whether it was flat or hilly.
2. Pain before: 0 (none) to 10 (worst imaginable), measured before you start.
3. Pain during: your highest number on the walk.
4. Pain the next morning: same scale, before you get moving.
5. Swelling: none, a little, or clearly more than usual (puffy, tight, harder to bend).

Example entry: Oct 2 · 15 minutes, flat · before 3 · during 4 · next morning 3 · swelling none.

The idea comes from rehab practice. A JOSPT paper on exercise in hip and knee osteoarthritis describes pain during exercise as acceptable when the person finds it acceptable, with flares fine as long as pain returns to its starting level within 24 hours.

Reading your log: keep going, scale back, or get the knee examined

The steps below are practical suggestions built on that idea, not results from a trial of walking at the bone-on-bone stage.

• Keep going: Next-morning pain is back to your “before” number and swelling is unchanged. Repeat the same walk. After a few matching entries in a row, you could add a small amount to one thing.
• Scale back: Next-morning pain is higher than your usual baseline, swelling is clearly more than usual, or your pain during the walk went above what you consider tolerable. Rehab programs often use about 5 out of 10 as a ceiling. The Pain-Monitoring Model describes keeping pain at or below 5 out of 10 during activity and having it return to its pre-activity level by the next morning, but it was developed for other knee and tendon problems. Treat it as a rule of thumb here, not a validated walking cutoff. Shorten or slow the next walk, rest a day, and keep logging.
• Get the knee examined: Scaling back does not bring next-morning pain back to baseline, the same bad pattern keeps repeating, or you notice swelling that keeps returning, the knee giving way, or locking. The Cleveland Clinic lists swelling, a wobbly feel and locking among osteoarthritis symptoms, and they deserve a proper look. As general safety guidance rather than a study finding, new pain at rest or at night also warrants an exam.

Bring the log to your appointment. It gives the clinician concrete numbers instead of a general description.

Who should talk to a clinician first, and who should not wait

If no one has examined your knee and you are working only from an X-ray report or a casual “it’s bone-on-bone,” see a clinician before building a walking routine. A physical therapist can help tailor a program to your joint. Seek prompt care for a hot, red, swollen knee with fever, for being unable to put weight on the leg, or for a fall or injury followed by sudden swelling. These are common-sense safety triggers, not findings from the studies above.

Where topical products fit

If you are also weighing a rub-on product, our separate review of a topical knee cream marketed for bone-on-bone pain covers what topical products can and cannot do, including that no cream can restore lost cartilage. That page is a product review and contains affiliate links. Nothing in this walking guide depends on buying anything.

Limits of this article

The trials described here mostly enrolled people with mild-to-moderate knee arthritis, several are decades old, and some are small. Individual responses vary. This article cannot tell you whether walking is right for your knee, and no number here is a personal target.

Sources

• Petrella RJ. Is exercise effective treatment of osteoarthritis of the knee? West J Med. 2001;174(3):191-196. pmc.ncbi.nlm.nih.gov/articles/PMC1071312
• Kovar PA et al. Supervised fitness walking in patients with osteoarthritis of the knee: a randomized, controlled trial. Ann Intern Med. 1992;116:529-534. PubMed
• Drummen SJJ et al. Pre-exercise and acute movement-evoked pain trajectories during a 24-week outdoor walking program for knee osteoarthritis (WALK). PubMed
• Effects of long-term walking exercise on structural progression, symptoms, and extensor muscle strength in mild or high-risk knee osteoarthritis: data from the Osteoarthritis Initiative. PubMed
• If you want patients with knee osteoarthritis to exercise: tell them about NSAIDs. PMC2771928
• Jang S et al. Recent updates of diagnosis, pathophysiology, and treatment on osteoarthritis of the knee. Int J Mol Sci. 2021;22(5):2619. PMC7961389
• Physical activity and exercise therapy benefit more than just symptoms and impairments in people with hip and knee osteoarthritis. JOSPT. 2018. jospt.org
• Pain-guided activity modification during treatment for patellar tendinopathy: a feasibility and pilot randomized clinical trial. PMC7905015
• Cleveland Clinic. Knee osteoarthritis: symptoms, stages, causes and treatment. my.clevelandclinic.org

This article is for general information only and does not constitute medical advice. Consult a qualified healthcare provider before changing your activity, especially if you have significant knee pain or swelling.