Lumbar Disc Herniation: Symptoms, Treatment and Surgery
A lumbar disc herniation, commonly known as a herniated disc in the lower back, occurs when intervertebral disc material extends beyond its normal anatomical boundaries.
In some individuals, a herniated disc causes no symptoms. In others, it may be associated with low back pain, pain radiating into the leg, numbness, tingling, or reduced muscle strength.
A diagnosis should not be based solely on magnetic resonance imaging (MRI). Imaging findings should be interpreted alongside the individual's symptoms and physical examination findings.
Not everyone with a lumbar disc herniation requires surgery. Many people experience improvement over time, and appropriate non-surgical treatment may help restore daily functioning.
This article examines the symptoms and natural course of lumbar disc herniation, the roles of physiotherapy and manual therapy, and the circumstances in which surgical evaluation may be necessary.
Can Manual Therapy Treat a Herniated Disc?
The goal of treatment for lumbar disc herniation is not simply to reduce the size of the herniation seen on MRI.
Reducing pain, preserving neurological function, improving movement capacity, and supporting a return to daily activities are also important treatment goals.
Can a Herniated Disc Heal on Its Own?
Yes. Scientific research indicates that some lumbar disc herniations can decrease in size or regress spontaneously over time.
This process is commonly referred to as spontaneous resorption.
Spontaneous regression may be observed particularly in some cases involving disc extrusion or sequestration, in which disc material extends beyond its usual boundaries.
However, not all disc herniations follow the same course, and changes on MRI do not always correspond directly to changes in symptoms.
Therefore, a reduction in pain does not necessarily mean that the disc herniation has completely disappeared.
Similarly, the presence of a disc herniation on MRI does not automatically mean that a person will experience pain.
Can Manual Therapy Push a Herniated Disc Back Into Place?
Manual therapy is a broad term that includes joint mobilization, selected spinal manipulation techniques, and soft tissue interventions.
In appropriately selected patients with low back pain, some of these techniques may help reduce symptoms and improve movement-related function.
However, there is no convincing scientific evidence that manual therapy mechanically pushes a herniated disc back into place or directly eliminates pressure on a nerve root.
Treatment decisions require particular caution when lumbar disc herniation is associated with radiating leg pain or neurological symptoms.
Manual therapy is neither necessary nor appropriate for every patient.
The Role of Physiotherapy in Lumbar Disc Herniation
Management of symptoms associated with lumbar disc herniation may include individualized exercise programs, maintaining appropriate daily activity, and patient education.
Exercise selection should be based on the patient's clinical presentation, physical capacity, symptoms, and functional goals.
In some cases, manual therapy may be considered as a supportive component of a comprehensive rehabilitation program.
However, treatment should not rely exclusively on passive interventions.
An important goal of physiotherapy is to improve the individual's movement capacity, physical function, and ability to participate in everyday activities.
Neurological assessment is especially important for individuals experiencing radiating leg pain, numbness, or reduced muscle strength.
If progressive motor weakness or other serious neurological findings develop, appropriate medical evaluation should not be delayed.
When Is Surgery Necessary for a Herniated Disc?
Not everyone diagnosed with a lumbar disc herniation requires surgery.
Many individuals experience gradual improvement in symptoms and daily functioning with appropriate non-surgical management.
However, surgical decisions should not be based solely on the size of a disc herniation or its appearance on MRI.
Pain severity, radiating leg symptoms, neurological examination findings, functional limitations, and responses to previous treatment should be considered together.
When Should Surgical Treatment Be Considered?
Surgical evaluation may be appropriate in the following circumstances:
Severe, persistent radiating leg pain that significantly limits daily activities despite appropriate non-surgical treatment
Nerve root compression identified on MRI that corresponds with the patient's clinical symptoms and examination findings
Significant or progressive muscle weakness
Persistent symptoms and functional limitations for which surgery is considered appropriate following specialist assessment and shared decision-making
For appropriately selected individuals with sciatica caused by lumbar disc herniation, surgery may provide faster relief of leg pain.
However, long-term outcomes vary, and differences between surgical and non-surgical treatment may become smaller over time.
The decision to undergo surgery should therefore be made collaboratively with an appropriate medical specialist, taking into account the patient's clinical condition, expectations, and treatment preferences.
Which Symptoms Require Emergency Medical Attention?
Certain symptoms associated with lumbar disc herniation or low back pain may indicate serious neurological involvement.
Warning signs include:
New difficulty urinating or loss of bladder control
New loss of bowel control
Numbness or loss of sensation around the groin, genitals, perineum, or anus
Rapidly progressive or significant weakness in the legs
Changes in bladder or bowel function, particularly when accompanied by loss of sensation in the saddle region, may indicate cauda equina syndrome.
Cauda equina syndrome is a medical emergency that requires immediate assessment.
If any of these symptoms develop, seek emergency medical attention rather than waiting for improvement through exercise or manual therapy.
Is Recovery Possible Without Surgery?
Yes. Many people with a lumbar disc herniation can improve without undergoing surgery.
Depending on the individual's clinical condition, non-surgical management may include:
Continuing appropriate daily activities
Individualized therapeutic exercise
Patient education and self-management strategies
Medication prescribed by a physician when clinically appropriate
In selected patients, manual therapy techniques may also be considered as part of a broader rehabilitation program.
However, it would be inaccurate to claim that these techniques reliably prevent surgery, eliminate a herniated disc, or produce the same outcome in every patient.
During recovery, changes in pain, muscle strength, sensation, and daily functioning should be monitored.
New or progressive neurological deficits require reassessment by an appropriate medical professional.
Conclusion
A lumbar disc herniation does not always require surgery.
Many individuals experience improvement over time, and non-surgical approaches may help restore physical function and participation in daily activities.
Therapeutic exercise, patient education, and selected manual therapy techniques may form part of a comprehensive management plan.
However, no treatment guarantees the same outcome for every patient.
The main goal of lumbar disc herniation management is not simply to change the appearance of an MRI scan.
It is to reduce symptoms, preserve neurological function, improve physical capacity, and support a safe return to daily life.
Treatment decisions should be based on the individual's symptoms, clinical findings, functional limitations, and preferences.
Scientific References
Chiu CC, et al. (2015). The probability of spontaneous regression of lumbar herniated disc: A systematic review. Clinical Rehabilitation, 29(2), 184–195.https://doi.org/10.1177/0269215514540919
Brinjikji W, et al. (2015). Systematic literature review of imaging features of spinal degeneration in asymptomatic populations. American Journal of Neuroradiology, 36(4), 811–816.https://doi.org/10.3174/ajnr.A4173
Peul WC, et al. (2008). Prolonged conservative care versus early surgery in patients with sciatica caused by lumbar disc herniation: Two year results of a randomised controlled trial. BMJ, 336, 1355–1358.https://doi.org/10.1136/bmj.a143
Peul WC, et al. (2007). Surgery versus prolonged conservative treatment for sciatica. New England Journal of Medicine, 356(22), 2245–2256.https://doi.org/10.1056/NEJMoa064039
National Institute for Health and Care Excellence (NICE). Low Back Pain and Sciatica in Over 16s: Assessment and Management. NICE Guideline NG59.https://www.nice.org.uk/guidance/ng59/chapter/Recommendations
Image Credit: Servier Medical Art, Disc Herniation, Wikimedia Commons. Licensed under CC BY-SA 3.0. The image has not been modified.
Disclaimer: This article is intended for general educational purposes and does not replace individualized medical assessment, diagnosis, or treatment.
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