• Spondylosisthesis. As a result of an injury or a congenital condition, spondylosisthesis can be the most painful type of sciatica. It occurs when one vertebra pushes forward to the next vertebra, compressing the sciatic nerve and resulting in a remarkable stabbing pain.
  • Lumbar Spinal Stenosis. This type of sciatica occurs with age, when the spinal canal grows narrow, resulting in a tendency to pinch the spinal nerves and causing pressure on the spinal cord itself.
  • Piriformis Syndrome. Symptoms of piriformis syndrome are felt in the piriformis muscle found in the buttocks are of the body. Of the different types of sciatica, piriformis syndrome is the hardest one to diagnose primarily because it affected the muscle and therefore does not show up in x-rays.
  • Herniated and Bulging Disc. A herniated disc and bulging disc are two of the more common types of sciatica, the root of which originates in the disc itself. A herniated disc happens when the nucleus pulposis or the jelly-like center of the disk leaks through a tear in annulus fibrosis. On the other hand, a bulging disc is the result of the nucleus pulposis bulging outward causing tension and pain.
  • Additional weight during pregnancy, improper weight lifting posture and prolonged sitting can pinch the sciatic nerve or its smaller branched resulting in pain.

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