Exercise as Treatment for Arthritis: What U.S. Guidelines Say in 2026

The practical takeaway

If you live with arthritis, movement is not the enemy. According to the Centers for Disease Control and Prevention (CDC) and the American College of Rheumatology (ACR), regular, appropriate exercise is considered a core treatment for osteoarthritis and an important part of care for rheumatoid arthritis. It will not cure arthritis or reverse joint damage. But done consistently, it can reduce pain, improve function, and help people stay independent.

1. The scope of arthritis in the United States

Arthritis is one of the most common causes of disability in the country. CDC surveillance data estimate that tens of millions of U.S. adults have doctor-diagnosed arthritis, and many report activity limitations related to joint symptoms. Arthritis affects people in every state, across age groups, and is more common in women and older adults.

Because arthritis is so widespread, small improvements in pain and mobility can translate into major public health benefits: fewer falls, more ability to work or care for family, and better overall quality of life.

2. Why exercise is first-line therapy for osteoarthritis

Osteoarthritis (OA) is the most common form of arthritis. It is primarily a degenerative joint condition in which cartilage breaks down over time. Knees, hips, hands, and the spine are commonly affected.

In its clinical practice guidelines, the American College of Rheumatology strongly recommends exercise as a first-line treatment for knee, hip, and hand osteoarthritis. That means it should be part of initial management, not an afterthought after medications fail.

The reasoning is straightforward:

Stronger muscles reduce stress on joints. For example, strengthening the thigh muscles can reduce load on the knee.
Regular movement improves joint lubrication and flexibility.
Physical activity supports weight management, which is especially important for weight-bearing joints like the knees and hips.

Medications such as nonsteroidal anti-inflammatory drugs (NSAIDs) may help with symptoms, but guidelines consistently place exercise and other non-drug strategies (like weight loss when appropriate) at the foundation of care.

3. How exercise fits into rheumatoid arthritis treatment

Rheumatoid arthritis (RA) is different. It is an autoimmune disease in which the immune system attacks the lining of the joints, causing inflammation that can damage cartilage and bone.

For RA, the ACR guidelines emphasize early use of disease-modifying antirheumatic drugs (DMARDs) to control the immune-driven inflammation. Exercise is not a substitute for these medications.

However, once inflammation is being treated, exercise is recommended as an important adjunct therapy. Regular activity can:

Improve physical function and stamina
Reduce fatigue
Support bone and heart health
Help maintain muscle mass

In other words, medication addresses the underlying immune process. Exercise helps preserve strength, mobility, and overall health.

4. What the research shows about pain and function

Much of the evidence behind these recommendations comes from randomized controlled trials and systematic reviews, including Cochrane reviews, evaluating exercise programs in people with osteoarthritis and inflammatory arthritis.

Overall, these studies show:

Modest but meaningful reductions in pain
Improved physical function (such as walking speed or ability to climb stairs)
Better quality of life scores

For knee and hip osteoarthritis, the average improvements are often described as small-to-moderate in size. That may sound underwhelming, but at a population level, these changes are clinically meaningful—especially given the low risk and broad health benefits of physical activity.

There are limitations to the research. Many trials are short-term (often 8 to 24 weeks), exercise programs vary widely in intensity and supervision, and adherence can drop over time. Researchers are still studying which combinations of exercise types and delivery methods work best in the long run.

Importantly, the evidence for osteoarthritis should not be automatically generalized to every form of arthritis. Conditions like lupus or severe inflammatory flares require individualized management.

5. What types of exercise are recommended—and how much?

The CDC recommends that adults, including those with arthritis, aim for:

At least 150 minutes per week of moderate-intensity aerobic activity (such as brisk walking), and
Muscle-strengthening activities on 2 or more days per week.

For people with arthritis, four types of exercise are typically emphasized:

Aerobic activity: Walking, cycling, swimming, or water aerobics.
Strength training: Resistance bands, light weights, or bodyweight exercises to support joints.
Range-of-motion exercises: Gentle stretching to maintain flexibility.
Balance training: Activities like tai chi to reduce fall risk, especially in older adults.

Low-impact options such as swimming or cycling are often easier on painful joints. For some people, breaking activity into 10- to 15-minute sessions makes it more manageable.

6. How to start safely—and what to do during flares

One of the most common fears is that exercise will “wear out” already damaged joints. Current evidence does not support that concern when activity is appropriately chosen and progressed gradually.

Safety principles include:

Start low and go slow. Increase time or intensity gradually.
Expect mild soreness at first, but sharp or worsening joint pain that lasts more than a couple of days may signal the need to scale back.
Warm up and cool down.
Use supportive footwear or braces if recommended.

During inflammatory flares, such as in rheumatoid arthritis, it may be necessary to temporarily reduce intensity and focus on gentle range-of-motion exercises until swelling and pain improve.

7. When to seek medical advice before starting

Talk with a clinician before beginning a new exercise program if you have:

New or severe joint pain
Unstable joints or recent joint injury
Significant heart, lung, or metabolic conditions
Recent surgery

Physical therapists can help tailor programs to individual needs, especially for people with significant limitations or multiple health conditions.

8. Insurance and Medicare coverage for physical therapy

For many older adults, cost is a practical concern. Medicare Part B covers medically necessary outpatient physical therapy services, though beneficiaries are responsible for deductibles and coinsurance. Coverage rules and cost-sharing vary by plan and state, and private insurance policies differ.

If arthritis is limiting daily function, a referral for physical therapy may be appropriate. Supervised programs can improve technique, reduce injury risk, and increase confidence.

What this means for readers

Exercise is not a cure for arthritis, and it does not replace medications in inflammatory diseases like rheumatoid arthritis. But for osteoarthritis—and as part of comprehensive care for RA—it is considered foundational treatment in U.S. guidelines.

Low-impact aerobic activity and strength training, done consistently and progressed gradually, can reduce pain and improve function for many people. Starting slowly, adjusting during flares, and working with a clinician or physical therapist when needed can help prevent setbacks.

For millions of Americans living with arthritis, movement is not just safe—it is part of the treatment plan.

Sources

This article is for general informational purposes only and is not medical advice. Research findings can be early, limited, or subject to change as new evidence emerges. For personal guidance, diagnosis, or treatment, consult a licensed clinician. For current outbreak or public health guidance, follow your local health department, the CDC, or another relevant public health authority.