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What is sciatica how it occurs?

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Anonymous

11y ago
Updated: 8/20/2019

Some sources of sciatica:

Lumbar disc - this includes disc protrusion that compresses the L4 or L5 nerve root as it exits the spine. The outer fibrous layer of the disc weakens with wear and tear and eventually allows the inner jelly-like nucleus to bulge out and irritate the nerve root. The presence of a disc protrusion can be confirmed by specialised imaging such as CT scan or MRI.

Lumbar joints - in some cases misalignment of the spine causes inflammation, irritating the nerve roots and producing sciatica. Your chiropractor will perform tests to determine if the sciatica pain is more disc or joint related.

Muscular - the sciatic nerve passes through, or in front of, the piriformis muscle, deep in the buttock. Spasm of this muscle due to pelvic imbalance can compress the sciatic nerve - a condition known as Piriformis Syndrome.

Only rarely is sciatica caused by serious pathology that requires medical referral. The majority of sciatic cases respond well to chiropractic care and specific exercises.

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11y ago

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