Pinched Nerve (cont.)

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What causes a pinched nerve?

A pinched nerve is caused when a nerve is somehow damaged or injured by direct pressure or compression and is unable to properly conduct its signal. There are many potential causes for a pinched nerve, depending on the location of the nerve.

Pinched nerve in the neck or lower back

A pinched nerve in the neck or lower back can be caused by a herniated disc, arthritis, bone spurs, or spinal stenosis.

Spinal stenosis is a narrowing of the spinal canal through which the nerves pass with the spine. A pinched nerve in the lower back or buttock can compress the sciatic nerve, which can cause sciatica.

Pinched nerve in the wrist or elbow

A pinched nerve in the wrist can be caused by carpal tunnel syndrome. This condition is caused by compression of the median nerve as it passes through confined tissues of the wrist. Cubital tunnel syndrome is a similar condition caused by compression of the ulnar nerve in the elbow. Both of these conditions are more common in people with diabetes and people who perform repetitive activities such as a typist, using a computer keyboard for long periods of time, or assembly line workers.

Reviewed by William C. Shiel Jr., MD, FACP, FACR on 2/7/2013

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Pinched Nerve - In Neck Question: Did you have an X-ray, CT scan, or MRI to diagnose your pinched nerve in the neck?
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