Almost every MRI spine report in a person over 40 says 'lumbar spondylosis.' Most patients think this means serious disease. Dr. Harisha explains what it really means, and why physiotherapy is more powerful than surgery for most cases.
Key Points
- Lumbar spondylosis (degenerative changes in the lower spine) is found on MRI in 50% of asymptomatic adults over 40.
- The scan finding does not equal the diagnosis — treating the patient's symptoms, not the scan, is the correct approach.
- Physiotherapy, core strengthening, and weight management are the evidence-based management strategies.
- Nerve root compression (radiculopathy) from disc prolapse into the canal is the complication requiring active management.
- Surgery is reserved for progressive neurological deficit, bladder/bowel symptoms, or intractable pain after 12 weeks of conservative treatment.
50%
of asymptomatic adults over 40 have lumbar spondylosis on MRI
Source: NCBI
90%
of lumbar spondylosis pain resolves with physiotherapy over 6–12 weeks
Source: Cochrane
5%
of lumbar spondylosis patients eventually require surgical intervention
Source: NCBI
"Showing a lumbar spondylosis MRI to a patient and telling them their spine is 'bad' causes more disability through fear and avoidance than the degeneration itself. The spine is designed to tolerate wear and to respond to exercise — movement is the treatment."
"Your MRI shows lumbar spondylosis with disc desiccation at L4-L5 and L5-S1." For most patients, this sentence sounds catastrophic — suggesting a crumbling spine. In reality, lumbar spondylosis is a radiological description of age-related wear in the spine — found in 90% of people over 50, and in a significant proportion of asymptomatic people over 30. It is not a diagnosis of disease; it is a description of normal ageing.
What Lumbar Spondylosis Actually Means
Spondylosis = degenerative changes in the spine. On MRI this includes: disc desiccation (reduced water content in the disc — normal with age); disc height reduction; osteophytes (bone spurs at vertebral margins — the body's stabilising response to disc space narrowing); facet joint changes. These are structural findings — their correlation with pain is surprisingly weak. Large studies consistently show that people with severe MRI changes have less pain than people with mild changes, and that people with significant pain often have normal MRIs. MRI findings alone cannot diagnose the cause of back pain.
Causes of Actual Pain in Lumbar Spondylosis
When lumbar spondylosis does cause symptoms, it is typically through: nerve root compression (radiculopathy) — osteophytes or a disc bulge compressing a nerve root, causing leg pain (sciatica) along the nerve's distribution; central canal stenosis — narrowing of the spinal canal causing neurogenic claudication (leg pain and weakness on walking, relieved by sitting); facet joint arthropathy — localised posterior back pain, worse with extension, better with flexion.
Physiotherapy — The Evidence-Based First Line
Core stabilisation exercises are the most important intervention for chronic lower back pain — evidence from multiple meta-analyses consistently shows benefits exceeding surgery for non-emergency spinal conditions. The key muscles: multifidus (deep spinal stabilisers) and transversus abdominis (inner abdominal stabiliser) atrophy in chronic back pain — targeted exercises rebuild them.
Starting exercises (perform daily): Pelvic tilts; dead bugs; bird-dog; modified plank (on knees). Avoid: sit-ups (increase disc compression); forward bends in acute phase; prolonged bed rest (worsens deconditioning rapidly).
For back pain physiotherapy and assessment: Dr. Harisha at Sri Anand CNC, Chanda Nagar, Hyderabad. Call +91 90633 66983.
Dr. Harisha
BPT · MPT Orthopaedics · Sri Anand CNC, Chanda Nagar Hyderabad · Sri Anand Child and Neuro Center
Physiotherapist specialising in neurological rehabilitation, paediatric physiotherapy, pelvic floor therapy, and musculoskeletal disorders. Practices at Sri Anand Child and Neuro Center, Chanda Nagar, Hyderabad.
References & Sources
- 1.Low Back Pain — WHO Fact Sheet — World Health Organization
- 2.Lumbar Spondylosis — NCBI StatPearls — NCBI StatPearls
- 3.Back Pain — NHS — NHS UK
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