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Spinal stenosis is a narrowing of the spinal canal. The spinal canal is located in the backbone. It is a small space that holds the nerve roots and spinal cord. If this space becomes smaller, it can squeeze the nerves and the spinal cord. This causes pain and other symptoms. Stenosis can occur anywhere along the spinal cord. It is most common in the low back (lumbar) region.
Some people are born with narrowed canals. Most often stenosis is a result of aging. Conditions that can cause spinal stenosis include:
Spinal stenosis is more common in people aged 50 years and older. Other factors that may increase your chance of spinal stenosis include:
Spinal stenosis may cause:
You will be asked about your symptoms and medical history. A physical exam will be done.
Imaging tests that evaluate your spine and surrounding structures may include:
Medications that relieve pain and inflammation include:
Special exercises can help stabilize the spinal cord. Exercise can increase muscle endurance and mobility of the spine. This can relieve some pain. Sometimes exercises are ineffective against spinal stenosis.
Wearing a corset or lumbar brace can help stabilize the spine. This may relieve pain.
Surgery is reserved for severe cases.
There are no guidelines for preventing spinal stenosis.
Ortho Info—American Academy of Orthopaedic Surgeons
The Arthritis Society
Canadian Orthopaedic Association
Delitto A, Piva SR, Moore CG, et al. Surgery versus nonsurgical treatment of lumbar spinal stenosis: A randomized trial. Ann Intern Med. 2015;162(7):465-473.
Kovacs FM, Urrutia G, Alarcon JD. Surgery versus conservative treatment for symptomatic lumbar stenosis: A systematic review of randomized controlled trials. Spine. 2011;36(20):E1335-E1351.
Lumbar spinal stenosis. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T114133/Lumbar-spinal-stenosis. Updated May 16, 2016. Accessed September 6, 2016.
Snyder DL, Doggett D, et al. Treatment of degenerative lumbar spinal stenosis. Am Fam Physician. 2004;70(3):517-520.
National Institute of Arthritis and Musculoskeletal and Skin Diseases website. Available at:
http://www.niams.nih.gov/Health_Info/Spinal_Stenosis/default.asp. Updated January 2013. Accessed September 16, 2015.
12/17/2013 DynaMed Plus Systematic Literature Surveillance http://www.dynamed.com/topics/dmp~AN~T114133/Lumbar-spinal-stenosis: de Schepper El, Overdevest GM, et al. Diagnosis of lumbar spinal stenosis: an updated systematic review of the accuracy of diagnostic tests. Spine (Phila Pa 1976). 2013 Apr 15;38(8):E469-81.
Last reviewed September 2016 by Teresa Briedwell, PT, DPT, OCS
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