Why sitting sometimes helps your back pain and sometimes makes it worse
Nicola Tik
If you have spinal stenosis, you may have noticed that your symptoms do not behave in a straight line. Sitting can bring real relief sometimes, and yet at other times it seems to make things worse. This article explains why that happens and what you can do to work with your body rather than against it.
Spinal stenosis means there is less space than usual in parts of your spine. That narrowing can put pressure on nearby nerves, which is what causes the pain, heaviness, tingling, or discomfort that many people with this condition notice.
The key thing to understand is that the available space in your spine is not fixed. It changes depending on how you are positioned. When you lean or bend slightly forward, the spaces in the spine tend to open up a little, which can reduce pressure on the nerves and ease your symptoms. When you stand upright or extend backwards, those spaces can narrow slightly, which may increase pressure and bring symptoms on.
This is why many people with spinal stenosis find that leaning on a shopping trolley, cycling, or sitting in a relaxed, slightly forward position brings relief. It is the position, not the activity itself, that is doing the work.
If sitting generally helps, it can feel confusing when it suddenly does not. There are a few reasons this happens.
Sitting for a long time in one position, even a comfortable one, can cause the muscles around your spine to stiffen. When muscles tighten up, they can add to the pressure your nerves are already dealing with. The relief you felt in the first ten minutes can start to fade as the hour goes on.
The type of sitting also matters. Slouching back into a deep sofa can feel comfortable initially but gradually shifts your spine into a position that may not be as helpful as it seems. Sitting at a desk in a slightly rounded, forward position often works better for spinal stenosis than reclining.
Stress, tiredness, and how much you have done during the day can all affect how sensitive your nervous system is, which means the same position can feel different on different days. This is normal and does not mean things are getting worse.
Rather than searching for one perfect position that works all the time, the goal is to understand your own patterns and move between positions before discomfort builds.
A few things that many people find helpful:
Try shifting your position every 20 to 30 minutes rather than waiting until you are uncomfortable. Small changes, such as moving from sitting to standing briefly, or changing the angle of your seat, give the nerves and muscles a chance to reset.
If sitting eases your symptoms when you are out walking or standing, try finding a bench or leaning forward slightly against a wall for a minute or two. Many people find this brings noticeable relief within a short time.
At a desk, a slightly forward-leaning posture often works better than sitting fully upright. A small rolled towel or cushion behind your lower back to support a gentle forward tilt can help, though what works varies from person to person.
This simple exercise can help reduce tension around the spine and is suitable for most people with spinal stenosis. Move only within a range that feels comfortable and stop if anything sharpens.
Sit toward the front of a firm chair with your feet flat on the floor. Slowly round your upper body forward, letting your hands rest on your thighs, and hold for a few seconds. Then gently return to upright. Repeat five to eight times, moving slowly and breathing throughout. Many people find this helps ease stiffness after long periods of sitting or standing.
If you would like to try a guided stretch, VIDA has a short video you can follow at your own pace.
On days when your symptoms are more noticeable, it helps to think about how you are spreading your activity rather than stopping altogether. Moving little and often tends to work better than one long rest followed by a burst of activity.
Keep your movements within a comfortable range rather than pushing through sharp or spreading discomfort. Gentle warmth, such as a warm shower or a heat pad on the area, can help muscles relax and may take the edge off discomfort.
Over-the-counter pain relief can be useful on harder days. What helps varies, so it is worth speaking to a pharmacist about options that suit you.
If you notice new tingling, numbness, or weakness spreading into your arms or legs that is not usual for you, it is worth speaking to your GP or physiotherapist before continuing with new exercises.
Your VIDA pain check-in is a good way to keep track of how your symptoms are shifting over time, especially if you are trying to spot patterns around position, activity, or time of day.