Exercise for Knee Osteoarthritis: A Practical Guide to Getting Started

When your knees feel stiff, it is understandable to hesitate before a walk or gym session. You may wonder whether movement will help, whether weights are suitable, or how to recognise when you need advice.

World Arthritis Day falls on 12 October. It is a timely opportunity to discuss exercise for knee osteoarthritis without promising a quick fix. This article focuses on diagnosed knee osteoarthritis; it is not a guide to every cause of knee pain.

Does knee osteoarthritis mean you should avoid exercise?

Not automatically. NICE recommends therapeutic exercise tailored to the person, including local muscle strengthening and general aerobic fitness. A programme should reflect your circumstances rather than a generic workout copied from the internet.

Osteoarthritis can affect several tissues in and around a joint. It is not the same condition as rheumatoid arthritis, and knee pain can have other causes. Healthdirect recommends seeing a doctor when joint symptoms last more than a few days or affect everyday life.

Before choosing exercises, make sure you understand what has been diagnosed and what your healthcare professional recommends.

What does the research say?

A 2024 Cochrane review included 139 trials involving 12,468 people with knee osteoarthritis. Programmes lasted 2–104 weeks. The table shows immediate post-programme results for exercise versus no treatment, usual care or limited education.

These are average between-group benefits, not percentage improvements or guaranteed results. Outcome samples overlap and should not be added together. Evidence certainty was low for pain and moderate for function. The review judged clinical importance uncertain and noted that exercise may increase adverse events in this comparison.

This supports a discussion about tailored activity, not a claim that exercise cures osteoarthritis. The review is established evidence, not a new 2026 discovery.

Three types of movement to discuss with your clinician

Healthdirect describes strengthening, flexibility work and aerobic activity as options for people with osteoarthritis. It advises choosing suitable low-impact activities and discussing an individual programme with a physiotherapist or exercise physiologist.

Strength work

Resistance bands and weights are possible tools. The useful question is not simply “Are weights good or bad?” Ask which movements, resistance and range are appropriate for you, and how you should progress. The answer may differ from someone else’s plan, even if they have the same diagnosis.

Aerobic activity

Walking, cycling or swimming may be options to discuss. Consider the practical setting as well as the activity: an uneven walking route, an awkward bicycle setup or difficult pool access might change what is manageable for you.

Mobility and flexibility

Ask whether specific movements would help you work towards an everyday goal, such as getting out of a chair or moving around the house. A useful plan connects the exercise to something you want to do, rather than adding movements without a clear purpose.

These are conversation prompts, not instructions to perform every activity or a prescription for sets and repetitions.

Make your first gym visit about a workable plan

Once you have suitable clinical advice, prepare a short note for your gym visit. Include what you have been advised to do, any restrictions and what you would like help understanding.

For example, you could write:

• “I have a plan from my physiotherapist and would like help finding the relevant equipment.”

• “Please show me how to adjust the seat before I start.”

• “Who can I ask if I am unsure whether a movement matches my plan?”

  
  

You can also ask about access, quieter visiting times and available support before booking. These questions help you assess whether the setting suits you; they are not promises about a particular venue’s services.

If you are looking for a gym in Hurstville or Liverpool, explore Wellness Department’s locations and enquire about the facilities and support available.

Bring relevant advice from your healthcare team. A gym visit complements, rather than replaces, assessment of a painful knee.

What if exercise feels uncomfortable?

NICE acknowledges that joint pain may increase when therapeutic exercise begins, while regular, consistent participation can improve symptoms and function over time. That is a reason to agree on a response plan, not to ignore every pain signal.

Ask your clinician what changes are acceptable for you, what should prompt an adjustment, and when you should stop and seek review. Keep a brief note of the activity and your response so you can describe it clearly at follow-up. Avoid setting your own universal pain threshold from a social-media post.

Seek medical assessment if your knee is very painful, locks, gives way or cannot bear weight. Healthdirect advises emergency care for a badly swollen or deformed knee, a fever with a red and hot knee, or knee pain after a major injury.

Frequently Asked Questions

Is there one best exercise for knee osteoarthritis?

This article does not identify a universal winner. Your symptoms, ability, preferences and clinical advice should shape your programme.

Do I need to join a gym?

No. The best setting for your plan may be at home, outdoors, in a pool or in a gym. Consider access and the support you need.

Can exercise rebuild my cartilage?

The findings discussed here concern symptoms and physical function. They do not establish cartilage regrowth or a cure.

Should I stop my medication when I start exercising?

Do not change prescribed treatment on your own. Discuss treatment decisions with your doctor.

Evidence Summary

Research: a systematic review of land-based exercise; outcomes and limitations are summarised above.

Guidance: NICE supports individualised therapeutic exercise; Healthdirect provides Australian advice on activity and assessment.

Practical examples: the gym-visit questions are planning suggestions, not a validated rehabilitation protocol.

Timing: World Arthritis Day supplies the current context, not evidence of an exercise effect.

Scientific Sources & References

EULAR — World Arthritis Day 2026. Confirms the 12 October awareness date.

Lawford BJ et al. — Exercise for osteoarthritis of the knee. Cochrane Database of Systematic Reviews, 2024, CD004376. Source of the trial data, programme durations and limitations.

NICE — Osteoarthritis in over 16s: diagnosis and management, NG226. Recommendations on tailored exercise and symptom expectations.

Healthdirect — Osteoarthritis. Australian information on diagnosis, activity options and professional support.

Healthdirect — Knee pain. Advice on symptoms requiring assessment or emergency care.

Health Disclaimer

This article is general education, not a diagnosis or an individual rehabilitation programme. Ask your doctor, physiotherapist or appropriately qualified exercise professional about exercise suitability. Do not use it to self-diagnose new knee pain or change prescribed treatment.