Osteoarthritis is a common joint condition that can cause pain, stiffness, swelling, and reduced movement. It often affects weight-bearing joints such as the knee, hip, feet, and spine, although it can also affect the hands and shoulders. If you are exploring broader arthritis conditions, osteoarthritis is the most common type seen in clinical practice.

Although there is no cure for osteoarthritis, good management may reduce pain, improve function, and help you stay active. Physiotherapy often plays an important role by improving joint mobility, muscle strength, movement patterns, and confidence with daily activity.

What Is Osteoarthritis?

Osteoarthritis is a degenerative joint condition where the joint cartilage becomes thinner over time and the surrounding joint structures also change. It may affect cartilage, bone, joint lining, ligaments, and muscles. As a result, some people notice pain, stiffness, creaking, swelling, or reduced tolerance for walking, stairs, gripping, or exercise.

Common Symptoms of Osteoarthritis

Osteoarthritis symptoms can build slowly or flare after increased activity. Some people have clear X-ray changes with only mild symptoms, while others have more noticeable pain and stiffness affecting daily life.

• joint pain or tenderness
• morning or start-up stiffness
• swelling around the joint
• reduced movement or flexibility
• creaking, grinding, or clicking
• difficulty with walking, stairs, gripping, or standing

Common Causes of Osteoarthritis

There is rarely one single cause. Instead, osteoarthritis usually develops from a mix of joint loading history, ageing, previous injury, and individual risk factors. Previous joint injury, surgery, reduced muscle support, excess body weight, low activity, diabetes, and some inflammatory or metabolic conditions may all contribute. Age, genetics, sex, and joint shape can also influence risk.

For example, knee osteoarthritis may follow long-term joint loading, previous ligament or meniscus injury, or reduced leg strength. Hip osteoarthritis may relate to joint structure, previous injury, or altered load tolerance over time.

How Is Osteoarthritis Diagnosed?

A physiotherapist or doctor can often suspect osteoarthritis from your symptoms, movement pattern, joint stiffness, strength, and functional limitations. X-rays are commonly used when imaging is needed because they can show joint-space narrowing, bone changes, and osteophytes. However, symptoms and physical function often matter more than the X-ray alone when planning treatment.

If you have severe night pain, rapid swelling, fever, unexplained weight loss, or symptoms that do not fit a usual osteoarthritis pattern, further medical review may be needed.

How Does Osteoarthritis Affect Older People?

Osteoarthritis becomes more common with age, but it is not simply a case of “wear and tear”. Many older adults remain very active and function well despite osteoarthritis changes on imaging. The main issue is whether the joint becomes painful, stiff, weak, or less tolerant of daily loads.

That is why treatment usually focuses on function as much as pain. Improving strength, mobility, balance, walking tolerance, and confidence can make a meaningful difference for older adults with knee osteoarthritis, hip arthritis, or spinal joint degeneration.

What Is the Best Treatment for Osteoarthritis?

The best treatment for osteoarthritis is usually a combination of education, activity modification, strengthening, mobility work, weight management where relevant, and a gradual return to tolerated exercise. Research and guidelines generally support exercise, education, and self-management as core treatment strategies for osteoarthritis.

Physiotherapy may help by identifying painful movement patterns, improving joint range, restoring muscle support, and building a realistic rehabilitation plan. Depending on the joint involved, treatment may also include taping, pacing strategies, hands-on therapy, hydrotherapy, or advice about braces and supports. For some people with advanced joint changes, surgery such as knee replacement or hip replacement may eventually be considered.

For broader evidence-based guidance, the Osteoarthritis Research Society International provides a useful overview of current non-surgical osteoarthritis management guidelines.

Can Exercise Help Osteoarthritis?

Yes. Exercise is one of the most important treatments for osteoarthritis. The right exercise plan may improve joint mobility, muscle strength, walking tolerance, balance, and confidence. It can also help reduce flare-up frequency over time.

The best program depends on the joint involved and your current tolerance. Many people do well with a mix of strengthening, low-impact aerobic exercise, mobility work, and graded functional practice such as sit-to-stand, stair work, or walking progression. If land-based exercise is too sore at first, warm-water exercise or guided exercise programs may help.

When Should You Worry About Osteoarthritis?

Most osteoarthritis symptoms can be managed well, but some situations deserve prompt assessment. You should seek professional advice if pain is rapidly worsening, the joint is hot and very swollen, you cannot bear weight, your joint locks repeatedly, or your symptoms are stopping you from sleeping, working, or managing usual daily tasks.

Explore Related Articles

1. Knee Osteoarthritis – a closer look at symptoms, diagnosis, and management of knee joint arthritis.
2. Hip Arthritis – practical guidance for hip osteoarthritis, including walking, stiffness, and exercise options.
3. Arthritis – a broader guide to different arthritis types and joint inflammation.
4. Arthritis Treatment – practical guidance on managing arthritis symptoms and staying active.
5. GLA:D® Australia Program – structured education and exercise support for people with hip or knee osteoarthritis.
6. Joint Pain Relief – broader treatment ideas for painful and stiff joints.

Frequently Asked Questions

Can osteoarthritis be cured?

No, osteoarthritis cannot currently be cured, but it can often be managed very well. Many people improve with exercise, strength work, mobility training, load modification, and good advice. The aim is usually to reduce pain, improve function, and help you keep doing the activities that matter to you.

Is walking good for osteoarthritis?

Walking is often helpful for osteoarthritis because it supports joint health, circulation, and function. However, it needs to match your current tolerance. Shorter, regular walks are often better than pushing through a long flare-up. A physiotherapist may help you pace walking volume and progress it without irritating the joint.

Should I rest or exercise with osteoarthritis?

Complete rest is usually not the best long-term answer for osteoarthritis. Relative rest during a flare can help, but ongoing exercise is generally important for joint function, muscle strength, and pain control. The key is choosing the right type and amount of exercise rather than avoiding movement altogether.

Why does osteoarthritis feel worse in the morning?

Morning stiffness is common with osteoarthritis because joints can feel less mobile after a period of rest. The stiffness is often most noticeable when you first get up or start moving again. It usually eases as the joint warms up and you begin normal activity, although some joints stay stiff for longer than others.

Can young people get osteoarthritis?

Yes, younger adults can develop osteoarthritis, especially after joint injury, surgery, repeated high joint loads, or structural joint problems. It is more common in older adults, but age is not the only factor. Early management can help protect function and reduce the impact of symptoms over time.

Do X-rays always match osteoarthritis pain?

No, X-rays do not always match pain levels. Some people have obvious osteoarthritis changes on imaging but only mild symptoms, while others have more pain with less dramatic imaging findings. That is why assessment should also consider stiffness, weakness, movement quality, function, and your daily activity limits.

When should I see a physiotherapist for osteoarthritis?

You should consider seeing a physiotherapist if joint pain, stiffness, or swelling is limiting your walking, sleep, exercise, work, or daily routine. Early guidance may help you manage symptoms better, improve strength and mobility, and avoid the cycle of pain, rest, weakness, and worsening function.

What to Do Next

If you think osteoarthritis is affecting your joint, the next step is a proper assessment of your symptoms, movement, strength, and activity goals. Good treatment is not only about confirming the diagnosis. It is also about finding the safest and most effective ways to keep you active and independent.

A physiotherapist can help you identify aggravating factors, improve joint support, and build a plan that suits your lifestyle, work, and exercise goals.

References

1. Bannuru RR, Osani MC, Vaysbrot EE, et al. OARSI guidelines for the non-surgical management of knee, hip, and polyarticular osteoarthritis. Osteoarthritis Cartilage. 2019;27(11):1578-1589.
2. Allen KD, Thoma LM, Golightly YM. Epidemiology of osteoarthritis. Osteoarthritis Cartilage. 2022;30(2):184-195.
3. National Institute for Health and Care Excellence. Osteoarthritis in over 16s: diagnosis and management. NICE Guideline NG226. 2022.