Why do people get sciatica?

FOR IMMEDIATE RELEASE
(Free-Press-Release.com) February 22, 2005 -- Why do people get sciatica?

Sciatica arises from injury to the fibers of the sciatic nerve. The injury can occur in one of four places:

inside the spinal canal (cauda equina)
where bundles of sciatic nerve fibers pass through bony openings in the spine (neuroforamina)
In the pelvis (lumbrosacral plexus)
Where the sciatic nerve exits the pelvis, below the piriformis muscle in the buttock (Piriformis Syndrome), or along the leg

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I think I have sciatica. Should I see my doctor?

Rational treatment requires a diagnosis. The proper physician will determine the cause of your sciatica, and begin the treatment most likely to help you.

From: http://www.sciatica.org