If your lower back starts to ache after half an hour at your desk, in the car or on the couch, you are far from alone. Pain with sitting is one of the most common complaints we hear, especially from people who work long hours at a computer or spend a lot of time driving.
The good news is that sitting itself is not harmful, and sitting related back pain is usually linked to things you can change. Understanding why it happens is a helpful first step toward feeling more comfortable.
Below we look at the common reasons your lower back may hurt when you sit, practical changes that may help, and the signs that mean you should see a GP.
Is sitting bad for your back?
Sitting is a normal and healthy thing for the body to do. The problem is usually not sitting itself, but sitting in one position for a long time without a break. Spinal tissues, muscles and joints generally prefer regular movement and variety.
There is also no single perfect posture. Research suggests that people with and without back pain sit in a wide range of positions, and that your next posture is often the most comfortable one. Changing position regularly tends to matter more than holding a textbook upright pose.
What are the common causes of back pain when sitting?
Several factors can contribute, and often more than one is involved:
Prolonged static posture. Staying still for long periods can leave muscles and joints feeling stiff and sore.
Disc sensitivity. Sitting, particularly slumped, can increase load on the lumbar discs. Some people with disc related pain notice symptoms more when sitting and less when standing or walking.
Muscle fatigue and deconditioning. Reduced strength and endurance in the trunk and hip muscles may make it harder to stay comfortable for long periods.
Tight hips. Long hours of sitting may contribute to stiffness through the hips and buttocks, which can affect how the lower back moves.
Workstation setup. A chair, desk or screen at the wrong height may push you into awkward positions.
Stress and fatigue. Busy work days, poor sleep and stress can all make the body more sensitive to pain.
If pain from sitting also travels into your buttock or leg, it may involve nerve irritation. Our page on sciatica explains more about this.
How can you make sitting more comfortable?
Small changes repeated through the day often add up. Many people find these strategies helpful:
Get up and move every 30 to 45 minutes, even if only for a minute or two
Try varying positions, such as sitting back into the chair, sitting forward, or alternating with standing if you have a sit stand desk
Set your chair so your feet rest flat and your hips are level with or slightly above your knees
Try a small cushion or rolled towel behind your lower back for support
Position your screen at about eye level and keep your keyboard close
On long drives, plan regular stops to walk and stretch
For more ideas about setting up your workspace, see our page on posture and desk related pain.
Can exercise help back pain from sitting?
Research consistently suggests that exercise is one of the most useful tools for managing ongoing lower back pain. There is no single ideal exercise, and the right program depends on your body, your goals and what you enjoy.
Walking, strength training, Pilates style exercises and mobility work for the hips and spine may all help. Building strength and endurance gradually can make longer periods of sitting more comfortable over time. Our mobility, strength and movement therapy page explains how a structured program can be put together.
How can a physio, chiro or osteo help?
If sitting pain is persistent or getting in the way of work, an assessment can help identify what may be contributing. A physiotherapist, chiropractor or osteopath will ask about your work, daily routine and symptoms, and then assess how your back and hips move.
Treatment may include manual therapy to ease stiffness, a tailored exercise program, and practical advice about workstation setup and pacing your day. The goal is to help you understand your pain and give you strategies you can keep using on your own.
When should you see a GP?
Most sitting related back pain is not caused by anything serious. However, call 000 or go to an emergency department if you have back pain with numbness in the groin or saddle area, new problems controlling your bladder or bowels, or weakness that is quickly getting worse in your legs. These can be signs of cauda equina syndrome, which needs urgent care.
See your GP promptly if your back pain comes with fever, unexplained weight loss, a history of cancer, night pain that does not ease with changing position, or pain after a significant fall or accident. It is also worth seeing a GP if pain is severe and not improving after a few weeks.
What simple movements can you do during the work day?
You do not need a gym or much time to break up long periods of sitting. These gentle movements can be done at or near your desk, staying within a comfortable range:
- Standing back bends: hands on your hips, gently lean back a few times, then return to upright
- Seated pelvic tilts: slowly roll your pelvis forward and back to move your lower back through its range
- Seated or standing hip stretch: cross one ankle over the opposite knee and lean forward slightly
- A walk to refill your water bottle or take a phone call on your feet
If stiffness through the hips or buttocks keeps building, our pages on glute pain and remedial massage explain other options that may help, alongside chiropractic care.
Frequently asked questions
Should I buy an ergonomic chair?
A supportive, adjustable chair can help some people feel more comfortable, but no chair replaces regular movement. It is often worth adjusting your current setup and adding movement breaks before spending money on new equipment.
Is a standing desk better than sitting?
Standing all day can cause its own discomfort. Many people find that alternating between sitting and standing through the day works well, rather than doing either for long stretches.
Why does my back feel better when I walk?
Walking involves gentle, rhythmic movement that many backs respond well to. For some people, particularly those with disc related pain, walking may ease symptoms that build up with sitting.
Getting help on the Gold Coast
If your lower back is making it hard to get through a work day, The Good Joint in Mermaid Beach has physiotherapists, chiropractors and osteopaths who can assess what is going on and help build a plan that suits your routine. No referral is needed for most appointments. Learn more about our lower back pain treatment, book online or call 07 5651 6594.
Related reading: How long does sciatica take to go away? and Is clinical Pilates good for back pain?
