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Low Back Pain
Low back pain is an ache or discomfort in the area of the lower part of the spinal column that may radiate down into one or both legs. The lower spinal column consists of small, stacked bones (the vertebrae) that surround and protect the spinal cord and nerves.
There are many possible causes for low back pain, including:
Sciatica is irritation of the sciatic nerve, which passes from the spinal cord to the buttocks down the back of each thigh. The sciatic nerve is composed of several nerve roots that arise from the lower spine on each side of the spinal column. These nerve bundles travel deep in the pelvis to the lower buttocks. From there, the nerve passes along the back of each upper leg and divides at the knee into branches that go to the feet.
Sciatica typically causes pain that shoots down the back of one thigh or buttock. Anything that causes irritation or puts pressure on the sciatic nerve can cause sciatica, including:
Low back pain is very common, it is estimated that over the course of a lifetime 80% of Americans will suffer from at least one episode of back pain. Every year, about 15%-20% of the adults in the United States will report back pain. Most back pain gets better with time; about 5% to 10% of patients will continue to have pain for longer than three months.
What are the risk factors for low back pain and sciatica?
What are the symptoms of low back pain and sciatica?
How are low back pain and sciatica diagnosed?
What are the treatments for low back pain and sciatica?
Are there screening tests for low back pain and sciatica?
How can I reduce my risk of low back pain and sciatica?
What questions should I ask my doctor?
What is it like to live with sciatica?
Where can I get more information about low back pain and sciatica?
Sources:
Conn's Current Therapy 2001 . 53rd edition. W.B. Saunders Company; 2001.
Pain. National Institute of Neurological Disorders and Stroke website. Available at: http://www.ninds.nih.gov/disorders/chronic_pain/detail_chronic_pain.htm#Spine . Accessed October 27, 2008.
Textbook of Primary Care Medicine . 3rd edition. Mosby, Inc.; 2001.
Last reviewed November 2009 by Jill D. Landis, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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