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Lumbar Vertebrae

The lumbar, or lower, region of the spine contains five lumbar vertebrae, which are located between the thoracic (middle) and sacral (end) regions in the spinal column.

Lumbar vertebrae are responsible for bearing the load of the entire torso, and are the largest bones in the vertebral column. Their function is to protect the lower spinal cord and nerve roots, and they also serve as a base of attachment for spinal ligaments, tendons, and spinal muscles.

Because of their location, lumbar vertebrae are vulnerable to a number of injuries and disorders. Activities requiring lifting or pulling can place added stress on the lower back, especially if improper body mechanics are used. Twisting and bending motions, like those associated with golf or tennis, can also contribute to increased wear and tear of the lumbar spine.

Conditions like spondylosis, spondylolisthesis, and bone spurs commonly afflict the lumbar vertebrae. Spondylosis is another term for osteoarthritis, and it is usually caused by years of pressure and weight compromising the structural integrity of the vertebrae, spinal joints, and intervertebral disc material.

Spondylolisthesis is a condition characterized by the forward slip of a vertebra, and it often happens to individuals whose jobs or lifestyles place increased pressure on their lower backs – like gymnasts, weightlifters, and people who push or carry heavy objects.

Bone spurs, or osteophytes, can develop as a result of the aging process, due to normal spinal wear and tear, or as an effect of osteoarthritis of the spine.

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Disorders of the lumbar vertebrae can cause symptoms including pain or tenderness in the lower back, numbness or tingling in the legs or feet, difficulty walking, and sciatica. If you suspect you’ve developed a lower back problem, your doctor can diagnose the condition and then will likely prescribe a conservative treatment plan.

If you’ve undergone conservative treatment but still experience painful and debilitating symptoms, it may be time to consider a minimally invasive, endoscopic lumbar vertebrae procedure at Laser Spine Institute (LSI). Contact LSI today and we’ll review your MRI or CT scan for free.

Please note: Laser Spine Institute currently does not perform endoscopic procedures on the thoracic spine.