Understanding Lower Back Osteoarthritis (Lumbar Spondylosis)

A Physiotherapist's Guide to Understanding and Managing Lower Back Arthritis

Introduction

If you've recently been told you have arthritis in your lower back, you're probably feeling worried. Perhaps you've had an X-ray or MRI scan that mentions terms such as degeneration, wear and tear, disc bulge, facet joint arthritis or lumbar spondylosis. These words can sound frightening and understandably leave many people thinking their back is damaged or that life is only going to get worse.

The first thing I'd like to reassure you is this:

Lower back osteoarthritis is extremely common and, in the vast majority of people, it can be managed very successfully.

One of the biggest parts of my job as a physiotherapist isn't simply treating painful backs—it's helping people understand them.

Over the years I've seen hundreds of people with lower back arthritis. One thing I've learnt is that many patients are far more frightened by what they've read on their MRI report than by the pain itself.

The good news is that modern research has completely changed how we understand back pain and arthritis.

Pain does not always reflect damage. In fact, many people with significant arthritis have very little pain, while others with only mild changes can experience considerable discomfort.

The encouraging news is that there is a huge amount you can do to improve your symptoms, reduce stiffness and continue enjoying an active life.

What is Lower Back Osteoarthritis?

Lower back osteoarthritis, sometimes called lumbar osteoarthritis or lumbar spondylosis, refers to the natural age-related changes that occur within the joints, discs and ligaments of the lower spine.

As we get older:

• The discs gradually lose water and become less flexible.

• The small joints between the vertebrae become a little stiffer.

• Cartilage slowly becomes thinner.

• Small bony growths (osteophytes) may develop.

• Ligaments can thicken slightly.

These changes happen slowly over many years and are considered a normal part of ageing.

In many ways they're no different to getting wrinkles, grey hair or needing reading glasses.

They are signs that we've lived life—not necessarily signs that something is badly wrong.

Having arthritis does not automatically mean your back is damaged, fragile or wearing out.

MRI Scans – Don't Panic!

This is probably the most important section of this guide. Modern MRI scanners are incredibly sensitive. They often detect tiny age-related changes that many people have without ever knowing about them. One of the largest research reviews ever carried out looked at over 3,000 people who had absolutely no neck or back pain.

The findings were fascinating.

Researchers discovered that many completely healthy adults had:

• Disc degeneration

• Disc bulges

• Facet joint arthritis

• Reduced disc height

• Arthritic changes

...despite having no pain whatsoever.

By the age of 50, most people have some degree of spinal degeneration visible on MRI.

By the age of 60–70 these findings become almost universal.

So what does this actually tell us?

It tells us that an MRI shows what your spine looks like—it doesn't necessarily tell us why you have pain. Think of it like this. If someone has grey hair, it tells you something about their age.

It doesn't tell you whether they have a headache. Wrinkles don't hurt simply because they're there.

MRI findings are often very similar.

They are frequently signs of normal ageing rather than evidence that your back is "worn out."

This is why physiotherapists don't simply treat MRI scans—we treat people.

Your symptoms...

Your movement...

Your strength...

Your lifestyle...

Your confidence...

...are often far more important than the wording on a scan report.

This isn't to say scans aren't useful—they absolutely are when looking for certain conditions—but they are only one part of the picture. Many people with significant arthritic changes have very little pain, while others with only minor changes can experience considerable discomfort.

The encouraging news is that even when scans show arthritis, people often improve dramatically with:

• Education

• Exercise

• Staying active

• Building strength

• Improving confidence in movement

Don't let your MRI report define what you believe your back is capable of.

Common Symptoms

Symptoms vary enormously from person to person. Some people hardly notice their arthritis, while others experience more regular stiffness.

Common symptoms include:

• Lower back pain.

• Morning stiffness.

• Pain after sitting for long periods.

• Difficulty standing upright after getting out of a chair.

• Aching into the buttocks.

• Pain when gardening or vacuuming.

• Reduced flexibility.

• Muscle tightness around the lower back.

• Occasional muscle spasm.

• Difficulty putting socks or shoes on during flare-ups.

Many people notice that symptoms improve once they start moving. Others feel sore after doing too much. This is completely normal. Symptoms often fluctuate, with good days and bad days.

Importantly... A flare-up does not necessarily mean your arthritis has become worse.

Why Is My Back So Stiff First Thing In The Morning?

This is one of the questions I hear most often. During the night we spend several hours lying relatively still. Like any joint in the body, the small joints in your back become a little stiffer after prolonged periods without movement. The discs also absorb fluid overnight, making them slightly fuller first thing in the morning. For many people this explains why bending to put socks on or emptying the dishwasher feels more difficult when they first get up. Fortunately this usually improves once you've been moving for 20–30 minutes.

Many of my patients tell me that a warm shower followed by a few gentle mobility exercises makes a huge difference.

Understanding Your Back

Your spine is one of the strongest structures in your body. It was designed to:

• Bend.

• Twist.

• Lift.

• Reach.

• Walk.

• Climb.

• Carry.

Many people become frightened of bending because they've been told they're "wearing their back out." Thankfully, this simply isn't true. Movement is actually healthy for your joints. Like oil in an engine, movement helps lubricate the joints and keeps muscles flexible and strong.

The problem usually isn't bending.

It's doing too much, too soon or remaining in one position for prolonged periods.

Your back likes movement.

Good Posture – But Don't Obsess!

One of the most common questions I'm asked is:

"Am I sitting wrongly?" The answer is usually... Probably not.

Research tells us there isn't one perfect posture that prevents back pain.

Instead, the most important thing is to avoid staying in any one position for too long.

As I often tell my patients:

The best posture is your next posture.

Rather than trying to sit bolt upright all day:

• Change position every 20–30 minutes.

• Stand up regularly.

• Walk around.

• Stretch.

• Sit comfortably rather than rigidly.

Movement is almost always more important than posture.

Choosing the Right Chair

A surprising amount of lower back discomfort comes from sitting in chairs that simply don't fit us.

The ideal chair allows you to:

• Sit with your bottom fully at the back of the chair.

• Have your lower back comfortably supported.

• Keep both feet flat on the floor.

• Have your knees roughly level with or just below your hips.

• Relax your shoulders.

If your chair is too deep, placing a small cushion behind your lower back can make a huge difference. If it's too low, you may find yourself struggling every time you stand up. Very soft sofas often feel lovely initially, but because they allow you to sink deeply into them they can make getting up much harder and often increase stiffness afterwards.

Remember...

Even the best chair isn't designed to sit in for hours.

Stand up regularly.

Walk around.

Your back will thank you for it.

Mattress Advice

One of the most common questions I'm asked is:

"What's the best mattress for arthritis?" The honest answer is... There isn't one mattress that's perfect for everyone.

Generally speaking, a supportive medium-firm mattress has the best evidence for people with persistent lower back pain.

The aim is to support your spine in a comfortable, neutral position without allowing your hips to sink too deeply or your lower back to twist. Some people love memory foam mattresses because they mould around the body. Others prefer pocket sprung or hybrid mattresses. Neither is right or wrong. Comfort is personal.

If you're considering buying a new mattress, try to choose one with a home trial period.

A mattress that feels wonderful for five minutes in a showroom can feel very different after a full night's sleep. More importantly than buying the "perfect" mattress is finding one that allows you to wake feeling refreshed and supported.

Heat Can Help

Many people find warmth one of the simplest and most effective ways of easing lower back stiffness.

Heat increases blood flow, relaxes tight muscles and often makes it easier to get moving, particularly first thing in the morning or during a flare-up.

Some good options include:

• Microwavable wheat bags

• Heat packs

• Warm showers

• Warm baths

• Heated blankets

• Hot water bottles

• 
  

Personally, I often recommend a microwavable wheat bag because it moulds comfortably around the lower back and is easy to use while sitting or relaxing.

Apply heat for around 15–20 minutes if it provides relief. Remember to avoid falling asleep with a heat source and always protect your skin from excessive heat.

Does Massage Help?

Yes—for many people it does.

Massage and soft tissue mobilisation can reduce muscle tension, improve movement and decrease stiffness, particularly if your back muscles have become tight and protective.

Hands-on treatments may include:

• Massage

• Soft tissue mobilisation

• Trigger point therapy

• Gentle joint mobilisation

Think of massage as opening the window. It often reduces discomfort enough to make moving easier and allows you to perform your exercises more comfortably.

Massage isn't a cure for arthritis, but when combined with regular exercise and strengthening it can play an important role in helping you manage your symptoms.

Keep Moving

One of the biggest myths surrounding arthritis is that movement wears joints out.

Thankfully, this simply isn't true.

In reality...

Movement nourishes joints.

Movement helps to:

• Lubricate joints.

• Reduce stiffness.

• Improve flexibility.

• Build muscle strength.

• Improve confidence.

• Reduce pain.

• Improve balance.

One of the worst things we can do during a flare-up is stop moving completely. Your back likes movement. The less we move, the stiffer joints and muscles often become. Little and often is usually far more effective than complete rest.

Pacing Yourself

One of the biggest mistakes I see people make is trying to do everything on a "good day."

Perhaps your back feels better, so you decide to:

• Weed the whole garden.

• Decorate the spare room.

• Hoover the entire house.

• Clean all the windows.

You manage it...

...but spend the next three days barely able to move.

Sound familiar?

This is known as the boom and bust cycle.

Instead, try pacing yourself.

Do a task for 20–30 minutes. Then stop. Have a short walk. Make a cup of tea. Stretch. Come back to it later. Doing a little less than you feel capable of often means you'll achieve much more over the course of a week.

Remember...

Consistency beats occasional heroics.

Gardening Advice

Gardening is one of the most common hobbies I discuss with patients.

The good news is that I rarely advise people to stop gardening.

Instead, I encourage them to garden a little smarter.

Try to:

• Alternate between standing, kneeling and walking.

• Avoid staying bent over for long periods.

• Use a kneeling pad or gardening stool where possible.

• Raise plant pots or use raised beds if practical.

• Break jobs into shorter sessions.

• Swap sides regularly when digging.

• Stand up and gently stretch every 20–30 minutes.

It's often prolonged bending rather than the gardening itself that aggravates symptoms.

Lifting Advice

Many people become frightened of lifting once they've been told they have arthritis.

The reality is that your back is designed to lift.

The key is lifting sensibly, not avoiding lifting altogether.

A few helpful tips include:

• Keep the object close to your body.

• Avoid twisting while lifting.

• Turn your feet rather than twisting your spine.

• Bend your knees if lifting from the floor.

• Tighten your tummy muscles gently before lifting.

• Break heavier loads into smaller ones.

• Ask for help if something is genuinely too heavy.

Remember...

Your spine is much stronger than many people realise.

Confidence often returns gradually as strength improves.

Walking

Walking is one of the best forms of exercise for lower back arthritis.

It:

• Keeps joints moving.

• Improves circulation.

• Builds endurance.

• Strengthens muscles in the legs, buttock region, core and back.

• Improves mood.

If walking aggravates your symptoms, don't stop completely.

Simply reduce the distance slightly and build back up gradually.

Simple Exercises

Perform these little and often.

Some stretching discomfort is perfectly acceptable, but stop if pain becomes severe or travels significantly down your leg.

1. Knee Rolling

Lie on your back with both knees bent.

Slowly allow both knees to gently roll from side to side.

This is one of my favourite exercises because it encourages gentle rotation through the lower back without placing excessive strain on the joints.

Repeat 10–15 times.

2. Pelvic Tilts

Lie on your back with knees bent.

Gently flatten your lower back into the bed before relaxing again.

This improves awareness of your spinal movement and can reduce stiffness.

Repeat 10–15 times.

3. Single Knee to Chest

Bring one knee gently towards your chest.

Hold for 15–20 seconds.

Repeat both sides.

4. Bridging

With knees bent, gently lift your bottom from the bed.

Hold for 3–5 seconds.

Lower slowly.

Repeat 10 times.

This strengthens your glutes and core muscles, which help support your lower back.

5. Cat-Camel Stretch

On hands and knees, slowly round your back before gently arching it.

Move comfortably without forcing the movement.

Repeat 10–15 times.

6. Sit to Stand

Practise standing up from a chair without using your hands if possible.

This is an excellent functional exercise that strengthens your legs and improves everyday confidence.

Repeat 10 times.

Activities That Are Kind to Your Back

One of the best things you can do for lower back osteoarthritis is to keep active. You don't need to become a marathon runner or spend hours in the gym. In fact, choosing activities you enjoy is far more important than following the "perfect" exercise programme.

Regular movement helps keep the joints lubricated, strengthens the muscles that support your spine, improves flexibility and can reduce pain and stiffness over time.

Some excellent activities include:

Walking

Walking is one of the simplest and most effective exercises for lower back arthritis. It keeps the joints moving, strengthens the muscles around your spine and hips, improves fitness and is gentle on the joints. Start with a comfortable distance and gradually increase it as your confidence grows.

Swimming

Swimming is an excellent all-round exercise because the water supports your body weight, reducing the load on your spine while allowing you to move more freely. Many people find backstroke or gentle front crawl particularly comfortable, although choose whichever stroke feels best for you.

Hydrotherapy and Aqua Aerobics

Exercising in warm water can be particularly beneficial if your joints feel stiff or painful. The warmth helps relax muscles, while the buoyancy of the water reduces pressure on your joints, allowing you to move with greater ease. Many leisure centres offer water aerobics or aqua fitness classes suitable for different abilities.

Pilates

Pilates focuses on improving core strength, posture, flexibility and body awareness. A stronger core helps support your lower back during everyday activities. If you're new to Pilates, consider starting with a beginner's class or one led by an instructor experienced in working with people who have back pain.

Yoga

Gentle yoga can improve flexibility, balance and muscle strength while encouraging relaxation and controlled breathing. Choose beginner or gentle yoga classes and work within your own comfort levels. Yoga should never feel like a competition—you don't need to force yourself into uncomfortable positions to benefit.

Chair-Based or Seated Yoga

If you have reduced mobility or find getting down onto the floor difficult, chair-based yoga can be an excellent alternative. Many of the same stretching, strengthening and breathing exercises can be performed safely while sitting, helping to improve movement, posture and confidence.

Tai Chi

Tai Chi is a gentle form of exercise involving slow, controlled movements that improve balance, flexibility, coordination and muscle control. Research has shown it can be particularly helpful for people with arthritis and persistent musculoskeletal pain, while also promoting relaxation and reducing stress.

Strength Training

Many people worry that lifting weights will damage their back, but appropriately prescribed strength training is one of the most effective ways of improving spinal support. Exercises using resistance bands, light weights or your own body weight can strengthen the muscles around your spine, hips and legs, making everyday activities easier. If you're unsure where to start, seek advice from a physiotherapist or qualified exercise professional.

Cycling

Many people enjoy cycling because it provides excellent cardiovascular exercise with relatively little impact on the joints. An upright exercise bike is often more comfortable than leaning forwards on a road bike, particularly during a flare-up.

Gardening

Gardening absolutely counts as exercise! Rather than avoiding it, pace yourself by breaking jobs into shorter sessions, alternating tasks, using raised beds where possible and standing up regularly to stretch.

The Most Important Thing...

The best exercise is usually the one you enjoy and are likely to continue doing.

Aim for regular movement rather than occasional bursts of activity. Little and often is usually far better than doing too much on one day and then needing several days to recover.

Remember:

Your back was designed to move, and movement remains one of the most effective treatments for lower back osteoarthritis.

Medication

Pain relief can help you move more comfortably.

Options may include:

• Paracetamol.

• Anti-inflammatory medication (if suitable).

• Anti-inflammatory gels.

• Prescription pain relief during severe flare-ups.

Always discuss medication with your GP or pharmacist, particularly if you have stomach ulcers, kidney disease, heart disease or take blood-thinning medication.

Medication works best alongside movement and exercise—not instead of it.

Looking After Your Back Every Day

Small habits really do make a difference.

Try to:

• Stay active.

• Walk regularly.

• Avoid sitting for prolonged periods.

• Keep changing position.

• Use heat if it helps.

• Pace heavier jobs.

• Lift sensibly.

• Keep doing the hobbies you enjoy.

• Maintain a healthy body weight where possible, as carrying extra weight can increase the load through the joints of the spine.

• Sleep well and manage stress, as both can influence how we experience pain.

Should I Wear a Back Support?

Many people ask whether wearing a lumbar support belt or brace is a good idea.

For most people with lower back osteoarthritis, they are not routinely recommended for everyday use.

A support belt may occasionally provide short-term comfort during a flare-up or for a specific activity, but wearing one regularly can reduce confidence and encourage reliance on the support rather than your own muscles.

Your back muscles are your body's natural support system. Like every other muscle, they become stronger when we use them.

One phrase I often tell my patients is:

"Your muscles make a much better back support than any belt you can buy."

When Should I Seek Urgent Medical Advice?

Although lower back osteoarthritis is common and usually not serious, certain symptoms require urgent medical assessment.

Seek immediate medical advice if you develop:

• Loss of bladder or bowel control.

• Numbness around your buttocks or genital area (saddle numbness).

• Significant weakness in one or both legs.

• Rapidly worsening numbness.

• Difficulty walking that is getting worse.

• Severe pain following a significant fall or accident.

• Unexplained weight loss.

• Fever or feeling generally unwell alongside back pain.

These symptoms are uncommon but should never be ignored.

Products Some of My Patients Have Found Helpful

Over the years, many of my patients have shared products that they've personally found useful. These are not essential for recovery and should be viewed as optional aids alongside exercise, movement and physiotherapy.

Microwavable Wheat Bag or Hot Water Bottle

One of the simplest and most effective products I recommend. Many patients find that applying warmth before exercising helps relax stiff muscles and makes movement more comfortable.

Final Thoughts

Although lower back osteoarthritis cannot be reversed, it can almost always be managed successfully.

Your back is strong, adaptable and designed to move.

Modern research consistently shows that understanding your condition, staying active, building strength and gradually increasing confidence are some of the most effective treatments available.

Don't let an MRI report define what you believe your back is capable of.

Instead, focus on what you can control.

Keep moving.

Stay active.

Build strength.

Pace yourself.

Be patient.

Most importantly, remember that having arthritis does not mean you have to stop doing the things you love.

With the right advice, sensible exercise and a positive approach, most people continue to lead full, active and enjoyable lives.

About Physio at Home

If you're able to travel comfortably, seeing a physiotherapist in a clinic is often the most appropriate option for assessing and treating neck or back pain. Clinic-based physiotherapists have access to treatment couches, rehabilitation gyms and specialist equipment that can be beneficial for many musculoskeletal conditions.

However, we recognise that travelling to appointments isn't always possible.

Physio at Home specialises in expert home visit physiotherapy across Mid Cornwall, providing high-quality assessment and rehabilitation in the comfort of your own home. Our service is particularly suited to people who are housebound, have reduced mobility, are recovering from surgery or illness, have neurological conditions, or simply find travelling to a clinic difficult.

Our HCPC-registered physiotherapists provide comprehensive home assessments, personalised treatment plans and tailored exercise programmes designed around your individual goals and your home environment. We can also assess how you move around your home and offer practical advice to help improve confidence, mobility and independence.

We cover Falmouth, Penryn, Truro, Helston, Redruth, Perranporth, Feock, St Agnes and many surrounding areas across Mid Cornwall.

Whether your goal is to reduce pain, improve mobility, regain confidence after illness or surgery, or remain independent at home, we're here to help.

If you'd like to find out more about our home visit physiotherapy service, we'd be delighted to hear from you. More information here https://www.physioathome.uk/

References

Brinjikji W, Luetmer PH, Comstock B, et al. Systematic Literature Review of Imaging Features of Spinal Degeneration in Asymptomatic Populations. American Journal of Neuroradiology. 2015.

Boden SD, McCowin PR, Davis DO, et al. Abnormal Magnetic Resonance Scans of the Spine in Asymptomatic Subjects. Journal of Bone and Joint Surgery. 1990.

National Institute for Health and Care Excellence (NICE). Current guidance on the assessment and management of low back pain and musculoskeletal conditions.