Prolonged mechanical loading of the spine often times leads to annulus fibrosis microruptures. This results to disc degeneration where the extruded disc moves into the spinal canal and impinge on the adjacent nerve roots. Symptoms felt are sharp pain and muscle spasms at the site of the herniation. The sensation occurs only until such time the surrounding soft tissues are impinged.
The numbness may shoot down the sciatic nerve into the lower extremity. This inflammatory condition may also be associated with sciatica which is commonly caused by a herniated disc. You may notice that if you have sciatica, the resulting radiating leg pain may sometimes be greater than your low back pain.
The pain increases with prolonged sitting and leaning forward, coughing, sneezing and straining. This may make any person suffering from sciatica to walk in a slightly crouched position like it tends to lean away from the side of the lesion. The pain actually radiates down the distribution of the involved nerve root.
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