Lumbar Spinal Stenosis: Why Walking Makes Your Legs Ache
Quick summary
- Lumbar spinal stenosis is narrowing of the spaces around the nerves in the lower back, usually from age-related changes. It is common in older adults.
- The classic sign is leg pain, heaviness or tingling that builds with walking or standing and eases with sitting or bending forward.
- In a randomised trial of adults with stenosis, manual therapy plus individualised exercise gave greater short-term improvement in symptoms, function and walking capacity than medical care or group exercise (Schneider et al., 2019).
- Leg pain on walking can also come from poor circulation, so a proper assessment matters.
You set out for a walk to the shops, and after a few hundred metres your legs start to ache, feel heavy or tingle. You stop, perhaps lean on a trolley or sit on a bench, and it eases, until you walk again. Many people put this down to "just getting older" and quietly walk less. It is often a recognisable condition, lumbar spinal stenosis, and there is more you can do about it than you might think.
What Is Lumbar Spinal Stenosis?
Stenosis simply means narrowing. In the lower back, the canal and side openings that carry the nerves can gradually narrow as discs lose height and the small joints and ligaments thicken with age. Narrowing on a scan is common and doesn't always cause symptoms. It becomes a problem when the nerves are squeezed enough, especially in certain positions, to produce leg symptoms.
Position matters because standing upright and leaning backwards make the space smaller, while sitting and bending forward open it up. That explains the typical pattern, which clinicians call neurogenic claudication:
- aching, heaviness, cramping or pins and needles in the buttocks or legs when walking or standing
- relief within minutes of sitting down or bending forward
- easier walking uphill or when leaning on a shopping trolley than walking downhill or standing still
- cycling often tolerated much better than walking
Is It Stenosis or Circulation?
Poor blood flow to the legs (peripheral arterial disease) can also cause leg pain on walking. One useful clue is that circulation-related pain usually eases simply by standing still, whereas stenosis symptoms tend to need sitting or bending forward. Circulation problems may also come with cold feet, weak foot pulses, or slow-healing skin. Because the two can coexist, especially in people who smoke or have diabetes, an assessment should consider both, and we'll refer you to your GP if your circulation needs checking.
What the Research Shows About Non-Surgical Care
For a long time there was little good-quality evidence on non-surgical options for stenosis. A three-arm randomised clinical trial helped fill that gap. It enrolled 259 older adults, with an average age of 72, and compared three approaches over six weeks (Schneider et al., 2019):
- Medical care: medications and/or epidural injections from a physician.
- Group exercise: community classes run by fitness instructors.
- Manual therapy plus individualised exercise: spinal mobilisation, stretching and strengthening from chiropractors and physical therapists.
All three groups improved. At two months, the manual therapy and individualised exercise group showed greater improvement in symptoms and physical function than the other two, and a larger share of people in that group had a meaningful improvement in walking capacity. By six months the differences between groups had narrowed. It is one trial, but it supports a sensible message: hands-on care combined with a tailored exercise program is a reasonable first option for many people with stenosis.
Practical Ways to Keep Walking
- Walk in intervals. Walk until symptoms begin, then sit or bend forward until they settle, and repeat. Over time, many people can stretch the intervals.
- Use forward-leaning options. A walking frame, shopping trolley or walking poles can let you go further.
- Try cycling or water exercise to build fitness without the same leg symptoms.
- Strengthen the hips and trunk, which helps balance and reduces fall risk, an important consideration with stenosis.
Read more about why walking is so valuable for the spine in The Power of Walking.
Get prompt medical review if you have:
- numbness around the groin or buttocks, or new bladder or bowel problems
- leg weakness that is worsening, or frequent falls
- leg pain at rest, cold or discoloured feet, or skin sores that won't heal
Walking less because your legs give out?
An assessment can help work out whether stenosis is the likely cause, look for signs that circulation may be involved, and build a manual therapy and exercise plan around the walking you want to get back to.
Spirit Chiropractic is at Shop 23/6 Belgrave Street, Kogarah. If your GP has put you on a chronic condition management plan, here's how Medicare works for chiropractic.
Request an appointment Call 0410 420 856Frequently Asked Questions
Can spinal stenosis be treated without surgery?
Many people manage well without surgery. In a randomised trial of adults with lumbar spinal stenosis, manual therapy combined with individualised exercise gave greater short-term improvement in symptoms and walking than medical care or group exercise. Surgery may be considered for severe or progressive cases.
Why does leaning on a shopping trolley help my back and legs?
Bending forward slightly opens up the spaces around the nerves in the lower back, which can ease the leg symptoms of lumbar spinal stenosis. Walking frames and walking poles work in a similar way.
Is walking good for spinal stenosis?
Yes, in a way that respects your symptoms. Interval walking, where you rest before symptoms build too much and then continue, along with cycling or water exercise, can help maintain fitness and walking capacity.
How is spinal stenosis different from sciatica from a disc?
Disc-related sciatica is more common in younger and middle-aged adults and is often worse with sitting or bending. Stenosis is more common in older adults, and its leg symptoms tend to build with walking or standing and ease with sitting or bending forward.
Could my leg pain when walking be a circulation problem?
Yes. Peripheral arterial disease also causes leg pain on walking, which usually eases with standing still. Both conditions can occur together, so an assessment should consider circulation, and your GP can arrange tests if needed.
References
- Schneider, M.J., Ammendolia, C., Murphy, D.R., et al. (2019). Comparative clinical effectiveness of nonsurgical treatment methods in patients with lumbar spinal stenosis: a randomized clinical trial. JAMA Network Open, 2(1), e186828. https://doi.org/10.1001/jamanetworkopen.2018.6828
- Brinjikji, W., Luetmer, P.H., Comstock, B., et al. (2015). Systematic literature review of imaging features of spinal degeneration in asymptomatic populations. American Journal of Neuroradiology, 36(4), 811–816. https://doi.org/10.3174/ajnr.A4173
This article is general information, not a diagnosis or a substitute for an individual assessment. If you have new or worsening symptoms, see a registered health practitioner.
