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6 Low-Impact Exercises for Achy Knees and Stiff Joints After 40

Woman walking along a wooded trail in comfortable athletic clothing.

Walking is a simple, accessible way to incorporate low-impact movement into your daily routine.

You've felt it climbing the stairs. That familiar ache in your knees, or the stiffness in your hips when you stand up after sitting too long. Maybe you've noticed these changes more often since turning 40, and movements that once felt effortless now require a little more thought.

When your joints feel uncomfortable, taking a break from exercise can seem like the safest choice. You might avoid certain activities, wait for the stiffness to ease, or wonder whether staying active will only make things worse.

But gentle, regular movement can be an important part of maintaining joint mobility and strength. For many people, appropriately chosen exercises may help manage stiffness and support everyday function. The key is finding activities that match your current abilities, comfort level, and individual needs.

If you're looking for ways to stay active without unnecessary impact, these six low-impact exercise options offer practical places to start. From water walking to gentle strength training, each can be adapted to help you build a movement routine that works for your body.

Why Rest Isn't Always the Answer for Joint Pain

When your knees or hips hurt, the instinct to rest makes sense. Taking a break from an activity that aggravates your symptoms may be helpful, especially after an injury or an unusually demanding day.

However, avoiding movement altogether can make it harder to maintain muscle strength, mobility, and confidence in everyday activities.

Your joints contain synovial fluid, which helps lubricate joint surfaces. Gentle movement helps distribute this fluid within the joint and allows surrounding muscles to participate in supporting movement. There's no need to force a painful joint through its range of motion to receive the benefits of appropriate physical activity.

For people with osteoarthritis, exercise is strongly recommended to help manage symptoms and support everyday function. The type of exercise should reflect each person's abilities and needs.

If you're experiencing severe joint pain, significant swelling, redness, warmth, or difficulty bearing weight, consult a healthcare provider before beginning a new exercise program. Persistent pain or limping also deserves evaluation. Sudden severe symptoms, particularly after an injury, may require prompt medical attention.

For mild, familiar stiffness or discomfort, appropriately selected movement may help you remain active. The goal is to find a level of activity you can tolerate comfortably and adjust as needed.

Water-Based Movement: Gentle Exercise With Natural Resistance

Water-based exercise can be particularly appealing when walking or other weight-bearing activities feel uncomfortable.

The buoyancy of water reduces the amount of body weight your legs must support, while the water itself provides resistance as you move. This combination allows many people to practice walking and other controlled movements with less weight-bearing demand than they experience on land.

You don't need to know how to swim to participate in a supervised shallow-water walking program.

Water walking is a straightforward place to begin. Walk slowly through a shallow area where you can stand securely, using a pool rail if needed. You can practice moving forward, backward, or sideways as your balance and comfort allow.

Start with a few comfortable minutes and gradually extend your sessions if you tolerate the activity well. Some people may work toward 10 to 15 minutes or longer, while others may benefit from shorter sessions.

Water aerobics classes can provide additional structure. Many community pools and recreation centers offer beginner or arthritis-friendly programs with instructors who can demonstrate modifications.

A review of aquatic exercise found that water-based programs may provide modest short-term improvements in pain, physical function, and quality of life for people with knee and hip osteoarthritis.

Water exercise isn't guaranteed to be pain-free, and some movements may still aggravate symptoms. Choose a comfortable water depth, avoid sudden twisting, and use appropriate support when entering or leaving the pool.

Woman participating in water aerobics with foam dumbbells in a swimming pool.

Water-based exercise combines buoyancy and gentle resistance to support comfortable movement.

Walking: Making Everyday Movement More Comfortable

Walking is one of the most accessible ways to stay active. You can do it close to home, fit it around errands, or enjoy it with a friend.

For people with achy knees or stiff hips, a few adjustments may make walking more manageable.

Choose a stable surface. Flat, even walking paths are often a sensible starting point. Although grass and dirt may feel softer underfoot, uneven terrain can create additional balance challenges. Choose the surface that feels secure and comfortable for you.

Pay attention to your stride. Walk at a pace that allows you to move smoothly without forcing longer steps. Supportive, comfortable footwear may also help.

If you're limping because of pain, stop or shorten the walk rather than trying to push through it. Persistent limping should be discussed with a healthcare professional.

Be mindful of hills. Inclines and declines change the demands placed on your legs. If hills aggravate your knees or hips, choose a flatter route until you've found a comfortable activity level.

A Flexible Walking Progression

The following schedule is an example, not a requirement. Your starting point may be shorter or longer depending on your current mobility and symptoms.

  • Getting started: Try 5 to 10 minutes on a flat, stable route, or divide your walking into shorter sessions throughout the day.
  • Building consistency: When your starting duration feels manageable, consider adding a few minutes to selected walks.
  • Gradually progressing: Over time, you may work toward longer walks or more frequent sessions, provided symptoms remain manageable.

You don't need to increase your distance every week. Staying at the same comfortable duration is perfectly reasonable.

Pay attention to how your joints respond during activity and afterward. If pain increases, persists beyond your usual recovery period, or affects how you walk, reduce activity and seek appropriate guidance.

Walking can be part of your routine without becoming another complicated task. A short walk during lunch or a few minutes around your neighborhood still provides an opportunity to move.

Strength Training Around (Not Through) Problem Joints

When your knees ache, strength training might be the last thing on your mind. But the muscles surrounding your joints play an important role in supporting everyday movement.

Think about climbing stairs or getting out of your favorite chair. Your quadriceps, hamstrings, and glutes all work together to help you complete those movements. Keeping those muscles strong can make everyday activities easier to manage.

In fact, strengthening exercises are among the activities recommended for people with knee and hip osteoarthritis, with movements adapted to individual abilities.

You don't need heavy weights or complicated gym equipment to get started. A few controlled movements can help you begin building strength at home.

Wall Sits (Modified): Stand with your back against a wall and your feet slightly forward. Slowly bend your knees into a shallow squat, going only as far as feels comfortable. Hold briefly, then return to standing. There's no need to lower yourself until your thighs are parallel to the floor.

Glute Bridges: Lie on your back with your knees bent and feet flat on the floor. Gently lift your hips, pause briefly, and lower slowly. This movement works your glutes and surrounding muscles. If getting onto the floor is difficult, a physical therapist can suggest an alternative.

Clamshells: Lie on your side with your knees bent and feet together. Keeping your hips steady, slowly lift your top knee, then lower it again. This simple movement targets muscles along the side of your hip that help support controlled leg movement.

Start with a few comfortable repetitions of each exercise. As your strength and confidence improve, you can gradually increase the number of repetitions or add light resistance.

Two or three strength sessions per week can be a useful long-term goal, but there's no need to rush. Choose movements that feel manageable, and modify or stop anything that causes sharp or increasing pain.

Woman performing a glute bridge exercise on a mat at home.

Glute bridges help strengthen the muscles around your hips that support everyday movement.

Controlled Range-of-Motion Exercises: Helping Stiff Joints Move More Comfortably

You know that feeling when you've been sitting too long and your knees need a moment to catch up when you stand? Gentle range-of-motion exercises can be a helpful way to keep movement part of your day.

These exercises involve slowly moving your joints through a comfortable range. They're simple enough to work into a morning routine, an afternoon break, or a few minutes in front of the television.

You don't need to push for a deeper stretch or force your joints into uncomfortable positions. The idea is to practice movements your body can manage comfortably.

Seated Knee Extensions: Sit upright in a sturdy chair with your feet on the floor. Slowly straighten one knee as far as feels comfortable, then lower your foot. Repeat a few times before switching legs. If fully straightening your knee is uncomfortable, keep the movement smaller.

Gentle Hip Flexor Stretch: Stand near a counter or wall for support. Step one foot slightly behind you and gently shift your weight until you feel a mild stretch near the front of your hip. Keep your body upright and avoid forcing a deep lunge.

Seated Ankle Circles: While sitting in a sturdy chair, lift one foot slightly and gently rotate your ankle in small circles. Reverse direction, then switch feet. Keep the circles comfortable rather than trying to achieve the biggest possible movement.

For more ideas, the NHS offers additional seated exercises that can be performed from a chair.

One of the nicest things about these exercises is how easily they fit into everyday life. You can practice a few repetitions while waiting for your coffee to brew or between episodes of your favorite show.

Small movement breaks won't solve every cause of joint stiffness, but they can help you stay active without requiring a full workout.

Cycling: Gentle Resistance Without Impact

If walking leaves your knees feeling uncomfortable, cycling may be another option worth exploring.

Whether you're riding outdoors or using a stationary bike, cycling allows your legs to move through a repeated, controlled motion without the impact of your feet striking the ground.

And if you prefer exercising indoors, a stationary bike makes it easy to stay active regardless of the weather.

Start With the Right Seat Height: When the pedal reaches the bottom of its rotation, your knee should still have a slight bend. A seat that's too high or too low can make pedaling uncomfortable, so take a moment to adjust your position before starting.

Keep Resistance Comfortable: Begin with light resistance and a relaxed pace. You should be able to pedal smoothly without straining or pushing through sharp pain.

Consider a Recumbent Bike: These bikes have a larger, supported seat with the pedals positioned in front of you. Some people find them more comfortable, especially if balance or back discomfort makes an upright bike challenging.

If you're new to cycling, start with a few comfortable minutes. Five to ten minutes can be a reasonable starting point, but shorter sessions are fine, too.

As cycling becomes more comfortable, gradually increase your time or resistance based on how your body responds.

There's no prize for cranking up the resistance or pedaling through discomfort. A comfortable ride you can enjoy regularly is a better starting point than an intense session that leaves your joints aggravated.

Tai Chi and Gentle Yoga: Mindful Movement for Joint Health

Sometimes the best way to stay active is to slow things down.

Tai chi and gentle yoga combine controlled movement with balance, flexibility, and body awareness. They can be especially appealing when you're looking for exercise that feels less intense than a traditional workout.

Tai Chi: Slow, Flowing Movement

Tai chi is a traditional Chinese martial art built around slow, coordinated movements and gentle shifts in body weight.

You might have seen people practicing it in a park, moving through a series of flowing positions that almost resemble a dance.

Those movements provide opportunities to work on balance, coordination, and controlled movement.

Tai chi is also strongly recommended for people with knee or hip osteoarthritis, with evidence supporting benefits for pain and everyday function.

You don't need to memorize a complicated sequence to begin. A beginner class or a short guided session can introduce you to the basic movements.

Look for an instructor who offers modifications if standing for long periods or shifting your weight feels uncomfortable.

Gentle Yoga: Stretching With Support

Yoga doesn't have to involve twisting yourself into a pretzel or holding challenging poses.

Gentle, restorative, and chair-based yoga classes offer ways to explore stretching and controlled movement with additional support.

For example, seated stretches can help you move your upper body without repeatedly getting down onto the floor. A sturdy chair or other support can also make certain standing movements more manageable.

Choose positions that feel comfortable, and avoid forcing deep stretches or painful joint angles.

Both tai chi and gentle yoga also incorporate breathing and relaxation, which can make them enjoyable ways to unwind while staying active.

If you've been avoiding exercise because traditional workouts feel intimidating, these slower-paced options may be worth trying.

What to Avoid: Movements That May Aggravate Your Joints

When your knees or hips are already feeling uncomfortable, certain movements can make things worse. The challenge is figuring out which activities are causing problems for your joints.

High-impact exercise, deep squats, and quick changes of direction can all place different demands on your body. That doesn't automatically make them harmful, but they may need adjustments when you're dealing with pain or stiffness.

High-Impact Activities: Running, jumping, and high-intensity workouts involve more impact than activities like walking or cycling. However, higher impact doesn't automatically mean faster cartilage damage. In fact, a study examining recreational running and knee osteoarthritis found that self-selected running wasn't associated with worsening knee symptoms or structural progression during the study period.

Deep Squats and Lunges: These exercises can help build strength, but deeper positions or heavier resistance may be uncomfortable for certain joints. Try a shallower movement, use support, or choose an alternative if needed.

Twisting and Sudden Direction Changes: Activities like tennis, basketball, and some fitness classes involve quick pivots and changes in direction. If your joints feel unstable or these movements aggravate your symptoms, consider slowing down or choosing a more controlled activity.

Pushing Through Increasing Pain: This is one habit worth reconsidering. If an exercise causes sharp pain, makes you limp, or leaves your joints noticeably more uncomfortable, stop and reassess rather than trying to finish the workout.

Remember, your exercise choices don't have to look exactly like someone else's. An activity that works beautifully for your neighbor may be uncomfortable for you, and that's useful information when you're building your own routine.

Building a Sustainable Movement Routine That Fits Your Life

You don't need a complicated workout schedule to start taking better care of your joints.

In fact, the easier your routine is to fit into everyday life, the more practical it becomes to keep showing up.

Maybe you enjoy a short walk after breakfast. Maybe a few minutes on a stationary bike feels better than walking outside. Or perhaps you love the idea of a gentle yoga class where someone else guides you through the movements.

Start with one or two activities that appeal to you and feel comfortable.

You could walk on Monday, practice gentle strengthening exercises on Wednesday, and try a beginner tai chi session over the weekend. If that feels like too much, scale it back. There's no need to fill every day with structured exercise.

As your comfort and confidence improve, you can gradually build on what you're already doing.

Pay attention to how your joints respond during activity and afterward. If an exercise consistently aggravates your symptoms, adjust the movement, shorten the session, or ask a qualified professional for guidance.

And remember that your routine can change. A busy week, a flare-up of familiar symptoms, or a change in your schedule may mean doing a little less for a while.

What matters is finding ways to make movement a manageable part of your life, even when your schedule isn't cooperating.

Supporting Your Body's Energy for Consistent Movement

Even a gentle movement routine can feel harder when you're tired, especially after a busy day.

Getting enough sleep, staying hydrated, and eating a balanced diet all play a role in supporting your body's everyday needs. And when you're working on building new exercise habits, those basics deserve attention, too.

B vitamins are part of that nutritional picture. They help your body carry out normal processes involved in releasing energy from the food you eat.

If you're exploring ways to support your nutritional intake, Essential B Complex is one supplement option to consider.

It's worth remembering that more B vitamins don't automatically mean more energy. Vitamin B12 supplements don't improve energy or endurance in people who already get enough of the vitamin.

A supplement may help address a nutritional gap when appropriate, but it can't replace adequate rest, balanced meals, or an exercise routine suited to your abilities. Follow the product's current label directions and check with your healthcare provider if you have questions about whether supplementation is right for you.

When your goal is to stay active over time, supporting your general well-being is just as important as choosing exercises you enjoy.

The Long Game: Movement as Lifelong Joint Maintenance

Your joints have carried you through a lot over the years. Every staircase climbed, every walk around the neighborhood, every trip through the grocery store. It's easy to take those everyday movements for granted until they start feeling a little less comfortable.

The good news is that staying active after 40 doesn't require an intense workout schedule or a complete lifestyle overhaul.

A few minutes of water walking, a comfortable bike ride, or some gentle strengthening exercises can all be reasonable places to begin.

As you discover which movements work for you, you may find opportunities to build strength, maintain mobility, and feel more comfortable participating in everyday activities.

Progress won't necessarily look the same from week to week. Some days you'll feel ready for a longer walk. Other days, a few minutes of gentle movement may be plenty.

And if joint pain continues to interfere with your daily life, getting professional guidance can help you understand what's happening and find appropriate ways to stay active.

For now, choose one activity from this list that sounds enjoyable and manageable. Give it a try, see how your body responds, and build from there.

Your movement routine doesn't have to be impressive. It just needs to work for you.

For more information about low-impact workouts, getting back into exercise, and walking after 40, check out these articles:

Frequently Asked Questions

What are the best low-impact exercises for knee pain?

Water walking, stationary cycling, comfortable walking, and gentle strength training are all options worth exploring. The best choice depends on your symptoms, mobility, and what feels manageable. Start with an activity you can do comfortably and adjust as needed.

Is resting better for joint pain, or should I keep moving?

It depends on what's causing the pain. Rest can be helpful after an injury or when an activity aggravates your symptoms, but prolonged inactivity can make it harder to maintain strength and mobility. For mild, familiar stiffness, gentle movement is often a reasonable option. Severe pain, swelling, or difficulty bearing weight should be evaluated by a healthcare professional.

Why is water exercise good for achy joints?

Water's buoyancy reduces how much body weight your legs need to support, while its resistance allows your muscles to work as you move. This can make activities like walking and gentle strengthening more comfortable for people who struggle with weight-bearing exercise. Water exercise still places demands on your joints, so choose movements that feel manageable.

What type of walking surface is best for knee pain?

A flat, stable, even surface is often a good starting point. Sidewalks, indoor walking tracks, and other predictable surfaces can help you avoid unexpected changes in footing. Softer surfaces aren't automatically better, especially if they're uneven. Choose a route that feels secure and doesn't aggravate your symptoms.

How much should I walk if my knees hurt?

Start with a distance or duration you can comfortably manage. That might mean five to ten minutes or several shorter walks throughout the day. Increase gradually if your knees tolerate the activity, and reduce your walking time if discomfort worsens. Persistent pain or limping deserves professional evaluation.

Can strength training help with joint stiffness?

Strength training can help maintain the muscles that support and control joint movement. Exercises such as modified wall squats, glute bridges, and clamshells may be useful when performed comfortably and with appropriate modifications. Strengthening won't address every cause of stiffness, but it can be part of a broader approach to maintaining mobility and everyday function.