Arthritis and exercise might seem like an unlikely pairing. When joints are stiff, swollen, or painful, the instinct is to protect them by moving less. But decades of clinical research have reversed this intuition in a decisive way: for both of the most common forms of arthritis — osteoarthritis (OA) and rheumatoid arthritis (RA) — regular, appropriately chosen exercise is not merely safe but is classified as a first-line treatment in major clinical guidelines.

The 2019 ACR/Arthritis Foundation guideline (PMID 31908149) offers a strong recommendation for both aerobic and resistance exercise across all types of OA. EULAR (European League Against Rheumatism) similarly recommends physical activity as a core component of RA management during periods of remission. The evidence base is not thin or contested: exercise reduces pain, improves joint function, maintains muscle mass that protects joints, and supports mental health in people living with arthritis.

The challenge — and this is where good guidance matters — is that the wrong exercise at the wrong time can cause genuine harm. Running through an RA flare can worsen joint damage. Deep squats without guidance can aggravate knee OA. The goal of this guide is to help you understand which exercises work, which to avoid, and the critical distinction between OA and RA that shapes everything about timing and approach.

This article covers the full landscape: understanding the two main types of arthritis from an exercise perspective, the safest and most effective movement categories, what to avoid, and how to structure a sustainable routine that protects your joints while building the strength and mobility that makes daily life easier.

OA vs. RA: Two Conditions, Two Exercise Logics

Understanding the difference between osteoarthritis and rheumatoid arthritis is the single most important step in building an appropriate exercise approach. They share the word “arthritis” and the symptom of joint pain, but their underlying mechanisms are entirely different — and this difference determines the exercise rules.

Osteoarthritis (OA) is a degenerative condition caused by the breakdown of articular cartilage — the smooth tissue that covers the ends of bones where they meet in a joint. As cartilage wears down, bones can eventually rub against each other, causing pain, stiffness, and reduced range of motion. OA is the most common form of arthritis, predominantly affecting weight-bearing joints (knees, hips) and the hands. It is worsened by excessive mechanical loading — particularly high-impact, repetitive activities — and by obesity (due to the mechanical load on weight-bearing joints). Exercise for OA works by building the muscular support around the joint (reducing direct cartilage stress), improving joint lubrication through movement, and managing body weight.

Rheumatoid arthritis (RA) is an autoimmune inflammatory disease. The immune system attacks the synovial membrane lining the joints, causing inflammation, swelling, pain, and — over time — potential joint damage. Unlike OA, RA is a systemic disease that also affects other organ systems. It is characterized by periods of active inflammation (flares) and relative remission. The exercise logic for RA is fundamentally gated by inflammatory status: exercise during remission is beneficial and recommended; exercise during an active flare affecting a joint is contraindicated for that joint, as it can worsen inflammatory damage.

This distinction — OA’s continuous exercise tolerance versus RA’s flare-dependent approach — is the single most important piece of information in this article. If you have RA and your joints are hot, swollen, and acutely tender, those joints need complete rest until the flare has subsided. Any other guidance is secondary to this principle.

The Evidence: Why Exercise Works for Arthritis

For OA, the evidence is particularly robust. Exercise therapy for chronic musculoskeletal pain works partly by altering central pain sensitization — changing how the nervous system processes and amplifies pain signals from affected joints (Nijs et al., 2015, PMID 26988013). This means exercise’s benefits extend beyond simple mechanical improvements into neurological recalibration of pain perception. Patients who exercise consistently report improved pain scores not just during activity but at rest.

Resistance training, as Westcott (2012, PMID 22777332) comprehensively reviewed, produces significant improvements in musculoskeletal health across all ages. For arthritis specifically, stronger muscles around a joint serve as a dynamic shock-absorbing system, redistributing forces that would otherwise concentrate on damaged cartilage or inflamed synovial tissue. The analogy is instructive: a well-sprung suspension system protects the road surface below; strong muscles protect the joint surfaces within.

For RA, the relationship is more nuanced but equally positive during appropriate periods. Resistance training during remission does not worsen RA and is associated with improved function, reduced fatigue (a major RA symptom), and better quality of life. Aerobic exercise has additional benefits including cardiovascular risk reduction, which is elevated in RA due to systemic inflammation.

The ACSM position stand (PMID 21694556) provides the evidence framework for exercise in chronic conditions: begin conservatively, progress gradually (no more than 10% volume increase per week), and monitor response. For people with arthritis, this conservatism is even more important than for healthy adults — the joints’ tolerance for loading needs to be assessed individually, not assumed.

Range-of-Motion Exercises: The Foundation

For both OA and RA (during non-flare periods), range-of-motion (ROM) exercises form the foundational layer of an arthritis exercise program. They are the most universally tolerated category, involving gentle movement of affected joints through their available range without load.

Gentle joint circles. Moving the wrists, ankles, hips, and knees through slow, circular motions improves synovial fluid distribution (the joint’s natural lubricant) and maintains the available range of motion. Even a minute of gentle circles for each major joint in the morning can meaningfully reduce the stiffness many arthritis patients experience after sleep or inactivity.

Finger and hand exercises (for hand OA or RA). Making a gentle fist and slowly opening the hand fully, spreading fingers wide, and gently touching each finger to the thumb are all ROM exercises that maintain hand function. These are particularly important for people whose hand joints are affected, as grip strength and fine motor function are closely linked to independence.

Seated hip and knee mobility. From a chair, sliding one foot forward and back along the floor, lifting the knee alternately, and gently rotating the ankle — all at minimal exertion — move the lower extremity joints without compressive load.

These exercises are appropriate even during mild RA flares in unaffected joints, and can typically be performed daily. According to WHO 2020 guidelines (PMID 33239350), reducing sedentary time is beneficial for health across all populations — gentle ROM exercises throughout the day represent an evidence-supported way to achieve this while respecting joint limitations.

Low-Impact Aerobic Exercise: Heart Health Without Joint Stress

Cardiovascular health is important for everyone with arthritis — particularly for RA patients, whose systemic inflammation elevates cardiovascular disease risk. The key is finding aerobic modalities that minimize compressive and shear forces on affected joints.

Aquatic exercise and swimming. Water buoyancy reduces effective body weight by up to 90%, nearly eliminating the compressive forces that aggravate both OA and RA joints. Aquatic exercise — whether structured water aerobics, gentle swimming laps, or simply walking in the shallow end — provides meaningful cardiovascular and muscular stimulus without the joint loading of land-based activity. Multiple studies have found aquatic exercise comparable to land-based exercise in improving pain and function for OA, with a more favorable adverse event profile. For people with significant joint involvement, aquatic exercise is often the best starting point.

Cycling. At moderate resistance with correct saddle height, cycling provides excellent cardiovascular training with minimal knee and hip stress. The circular, repetitive motion actually aids synovial fluid distribution in these joints. Recumbent cycling (on a recumbent bike) further reduces load on the lumbar spine and is easier to maintain for extended periods.

Walking. For mild-to-moderate OA (and RA in remission), regular walking is beneficial and is explicitly recommended in clinical guidelines. The key is surface choice (flat, even surfaces avoid lateral ankle and knee stress), appropriate footwear (well-cushioned, with arch support), and gradual buildup. Start with 10–15 minutes and add 5 minutes per week as tolerated. Walking in water (pool walking) is a lower-impact progression step.

Elliptical trainer. The elliptical eliminates the heel-strike impact of running while maintaining a cardiovascular intensity similar to jogging. It is well-tolerated by most people with lower-extremity OA and provides an effective aerobic workout.

Resistance Training: Building the Joint’s Armor

Perhaps the most evidence-supported intervention for arthritis function is resistance training — specifically for the muscles that surround and support affected joints. The ACR/Arthritis Foundation guideline (PMID 31908149) includes resistance exercise as a strong recommendation for knee and hip OA, noting its effectiveness for pain reduction and functional improvement.

Resistance bands. Elastic resistance bands provide progressive loading without the free-weight stabilization demands that can challenge unstable joints. Band-based exercises for the lower body (clamshells, seated hip abduction, leg press against a band) and upper body (seated rows, bicep curls, shoulder press variations) allow meaningful strength training with adjustable resistance and no falling risk.

Chair-based exercises. Seated leg extensions, seated marching, and chair-assisted squats to shallow depth can build quadriceps and hip strength — the primary muscular protection for the knee and hip joints — without high compressive load. Chair squats (squatting to the edge of a chair and standing) are a functional, low-risk alternative to full squats for most OA patients.

Isometric contractions. Pressing against an immovable surface (wall press, isometric quad contractions while seated) generates significant muscular force without joint movement — uniquely appropriate when even mild joint motion is painful. Isometric exercises have demonstrated both immediate analgesic effects and longer-term strength benefits.

Wall sits (shallow). A 45° wall sit (back against the wall, thighs only partway down) loads the quadriceps and glutes isometrically without the deep knee flexion that maximizes patellofemoral and OA stress.

For RA during remission, resistance training with careful load management (starting very light and progressing slowly) has been shown to be safe and effective. However, supervision by a physiotherapist experienced in RA is strongly recommended when beginning a resistance program for the first time.

Exercises to Avoid With Arthritis

Knowing what not to do is as important as knowing what to do. Several common exercise categories are contraindicated or should be used with extreme caution for people with arthritis.

High-impact activities. Running, jumping, plyometric exercises, jump squats, burpees, and aerobics with significant impact loading generate forces several times body weight at joints. For OA, these forces concentrate directly on damaged cartilage. For RA, they can aggravate inflamed synovium. Running is generally not recommended for established knee or hip OA without specific clearance from a rheumatologist or sports medicine physician.

Deep squats and lunges. Deep squats (below 90° knee flexion) significantly increase patellofemoral and tibiofemoral joint pressure. Deep lunges similarly load the front knee at high degrees of flexion. For knee OA, these movements should be limited to shallow ranges (45–60° maximum) or replaced by the chair-based alternatives described above.

Behind-the-neck exercises. Behind-the-neck lat pulldowns and overhead presses place the shoulder and cervical spine in extreme positions that are poorly tolerated by people with shoulder, neck, or cervical spine arthritis. These movements have few advantages over their in-front-of-neck alternatives and should be eliminated.

Unsupervised heavy free weights. Heavy barbell exercises require significant joint stabilization and can lead to compensatory movements that load arthritic joints abnormally. Without professional coaching, heavy free weights are higher risk for people with arthritis than resistance machines or bands.

Any exercise during an RA flare in the affected joints. This bears repeating: exercising a joint that is actively inflamed in RA can worsen structural damage. Rest the affected joint. Maintain gentle activity in non-affected areas if possible.

Managing Flares and Building a Sustainable Routine

For people with RA specifically, the boom-bust dynamic of flares and remissions requires a flexible exercise plan rather than a fixed protocol. During remission: full program, gradual progression. During a flare in a specific joint: rest that joint completely, gentle ROM in unaffected areas, focus on non-impact activities. During a systemic flare (whole-body involvement): rest, consult rheumatologist, restart program cautiously once inflammation has subsided.

For OA, a more consistent program is possible, calibrated to the “acceptable pain” guideline used in physiotherapy research: mild discomfort (under 3/10 on a pain scale) that returns to baseline within 24 hours after exercise is generally acceptable. Pain above 4–5/10, or pain that is worse the following day, signals that load or intensity should be reduced.

EULAR recommendations emphasize that physical activity for arthritis should be individualized, evidence-based, and adjusted to the person’s current health status and joint condition. A physiotherapist or exercise physiologist with arthritis experience can design a program that appropriately manages the trade-offs between loading for adaptation and loading for pain.

According to the ACSM guidelines (PMID 21694556), the target of 150–300 minutes of moderate-intensity aerobic activity per week remains the framework goal even for people with chronic conditions — with the understanding that this accumulates gradually over months, and short bouts (10 minutes) count.

Living Well With Arthritis: Beyond the Workout

Physical activity is the cornerstone, but it works best in context. Body weight management reduces mechanical load on weight-bearing joints for OA. Anti-inflammatory nutrition patterns — emphasizing omega-3 fatty acids, vegetables, and reduced ultra-processed food — may modestly reduce systemic inflammation relevant to RA. Sleep quality affects both pain sensitivity and inflammatory markers. Stress management is relevant because psychological stress can influence inflammatory activity.

None of these are replacements for appropriate medical treatment — disease-modifying drugs for RA, appropriate analgesics for OA — but they are complementary factors that the evidence supports as meaningful contributors to overall function and quality of life.

Begin Your Arthritis-Friendly Practice With RazFit

Medical Disclaimer

This article is for general educational purposes and does not constitute medical advice. Arthritis is highly variable — type, severity, affected joints, and current inflammatory status all determine what exercise is safe for a given individual. Always consult your rheumatologist, physiotherapist, or general practitioner before starting a new exercise program, especially if you have active RA, recent joint surgery, or significant joint damage identified by imaging. Stop any activity that causes sharp pain, significant swelling, or joint instability, and seek professional evaluation.

RazFit’s bodyweight workout library includes many of the low-impact, joint-friendly exercises described in this guide — from gentle chair-assisted movements to resistance-band alternatives. The app’s 1–10 minute sessions are designed for flexibility and consistency, which is the single most important predictor of long-term improvement in arthritis outcomes.

Start gently, progress patiently, and let the evidence work in your favor.