Lumbar disc herniation: what really matters to know
Lower back pain with radiation into the leg or numbness.
“I have a herniated disc” is usually based on an MRI alone - but the picture is more complex: many people live with disc changes and no pain at all, and significant pain can appear with no dramatic finding on imaging.
Many people arrive at the clinic after an MRI saying: “I have a herniated disc.” But the scan is only part of the picture. Quite a few people live with disc changes and no pain at all, while significant pain can appear with nothing dramatic on the scan. I always remind patients: I treat the person in front of me, not the MRI report they bring with them.
What is a disc herniation?
Between the vertebrae of the spine sit discs that act as shock absorbers. When part of a disc bulges or herniates outward it can irritate nearby structures, and sometimes the nerve roots as well - which produces the familiar symptoms of pain radiating into the leg.
Notice whether sitting for long makes the pain worse than walking. This is a common pattern in disc herniation, and it tells me a lot about the right treatment - including how you should sit in the meantime.
How does it feel?
Symptoms vary, but can include:
- Pain in the lower back.
- Radiating pain into the buttock or leg.
- Numbness or tingling.
- Pain that gets worse with long sitting.
- Trouble bending or straightening up.
Not every disc herniation causes all of these symptoms - it looks quite different from person to person.
- Progressive weakness in the leg
- A change in bladder or bowel control
- Numbness in the saddle area (inner thighs and buttocks)
- Severe pain that appears suddenly and doesn’t improve
Is surgery necessary?
In most cases - no.
Many patients improve without surgery - with adjusted loads, exercise, and physiotherapy. Surgery is considered only in specific situations, mainly when there are serious neurological symptoms that haven’t responded to treatment, and always based on the doctor’s advice and the full picture.
How can physiotherapy help?
The goal is less pain, better movement, and confidence in activity again. After a thorough assessment, we build a personal plan - exercises, guidance for daily life, and gradual loading, at a pace that fits where your pain is.
Mistakes worth avoiding
- Stopping all movement completely.
- Assuming that every back pain is a disc herniation.
- Relying on the MRI result alone without a clinical examination.
Frequently asked questions
Not necessarily. In some people both the findings and the symptoms change over time - sometimes the body naturally reabsorbs part of the bulge.
Usually not. Gentle, adapted movement beats long bed rest, which actually tends to slow recovery.
In most cases, yes - after adjusting the load and building up gradually, including the activities you enjoyed before.
What’s worth remembering?
A disc herniation is a finding that only makes sense together with your symptoms and the examination - not on its own. In most cases things can improve without surgery, with a tailored treatment plan.
- A disc herniation happens when part of the disc bulges or herniates outward and irritates nearby structures, sometimes including the nerve roots.
- Prolonged sitting that makes the pain worse than walking does is a common pattern in disc herniation, and provides important information for treatment.
- The clinical picture varies a great deal from person to person - not every disc herniation causes all the possible symptoms.
Not sure if this is your situation? I’d be happy to give you a professional assessment and build a treatment plan that fits you.
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