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What is Lumbarization?

Description of the Disease

Lumbarization is a developmental anomaly of the spinal column, in which the last lumbar vertebra (L5) becomes mobile and fuses with the sacral region of the spine. This can lead to various symptoms and spine problems.


  • Complete lumbarization - complete fusion of the fifth lumbar vertebra with the sacrum.
  • Partial lumbarization - partial fusion of L5 with the sacral region.


  • Lower back pain
  • Weakening or numbness in the legs
  • Impaired sensation in the lumbar and leg area
  • Urination problems


The causes of lumbarization may be genetic or related to intrauterine factors. For example, incorrect fetal position in the mother's womb.


X-rays, MRI, or CT scans of the spine are used to diagnose lumbarization.


Treatment may include medication therapy, physiotherapy, massage, and in some cases, surgical intervention.


Preventing lumbarization is related to a healthy lifestyle, proper nutrition, exercises to strengthen the back muscles, and maintaining good posture.


Lumbarization treatment is provided by a neurologist or orthopedic surgeon.

Note: This material is provided for informational purposes only and is not medical advice.