Lower back pain is the leading cause of disability worldwide, and the shift to desk-based and home working has accelerated its prevalence dramatically. If you spend more than 4 hours a day sitting, your musculoskeletal health needs active management.

Why Sitting Is So Hard on the Back

The intervertebral discs of the lumbar spine receive their nutrients through the compression and decompression of movement — they have no direct blood supply. Prolonged static sitting compresses the discs continuously, reducing nutrient flow and accelerating degeneration. The hip flexors (particularly the iliopsoas) adaptively shorten with prolonged sitting, pulling the pelvis into an anterior tilt that increases lumbar lordosis and loads the facet joints. The gluteal muscles become inhibited (“gluteal amnesia”) — a problem because the glutes are the primary stabilisers of the pelvis and lower back. Upper back (thoracic) and neck pain in desk workers typically results from forward head posture: every inch the head moves forward of the neutral spine adds approximately 4.5kg of effective load on the cervical spine structures.

Ergonomic Essentials

Chair height: feet flat on floor, knees at 90°, thighs parallel to floor. Lumbar support: the natural inward curve of the lower spine should be supported (rolled towel if your chair doesn’t have adjustable lumbar support). Screen height: top of screen at eye level, 50–70cm away. Keyboard and mouse: elbows at ~90°, wrists neutral. Monitor directly in front (not to one side). Stand-sit desk or regular standing breaks are increasingly evidence-supported.

Movement Is Medicine

Every 30–45 minutes: stand up, walk briefly, and perform a few movements to counteract the effects of sitting. Particularly effective: cat-cow spinal mobilisation (10 repetitions), hip flexor stretch (kneeling lunge position, 30 seconds per side), thoracic extension over the back of a chair. Regular walking breaks (even 2–3 minutes) interrupt the metabolic and musculoskeletal effects of prolonged sitting. The emerging “exercise snacks” research suggests that multiple short bouts of exercise are as beneficial as a single longer session for many health outcomes.

Treatment When Pain Develops

Ibuprofen or diclofenac gel (Voltarol) for acute episodes — applied topically to the affected area 3× daily. Heat is more useful than cold for muscular back and neck pain (muscle spasm responds better to heat). Physiotherapy assessment for persistent pain — the NHS offers self-referral physiotherapy in many areas. Avoid complete rest — stay active within pain tolerance.

Browse Pain Relief products at Huncoat Pharmacy. Related: OTC Pain Guide, Sports Injuries.

At Huncoat Pharmacy: Browse back pain relief products.