Causes of Degenerative Disc Disease
The main cause of degenerative disc disease is disc deterioration due to repetitive motion, aging or trauma to the spine. Once degeneration begins, the outer structure of the discs, called the annulus fibrosis, may tear. This exposes the interior of the disc that has the gel-like texture, the nucleus pulposus.
There are small micro nerve fibers that are located in the disc’s outer annulus fibrosis. As fluid leaks out through the tears, it can irritate the nerve fibers, resulting in inflammation and extremely painful symptoms in the low back.
In addition, the fluid leaking through the disc tear can irritate the adjacent exiting spinal nerve or sometimes called the sciatic nerve, sending pain into the buttocks and down the leg.
Those who smoke, are overweight or perform heavy physical labor may be more prone to experience degenerative disc disease.
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