Lumbar spinal stenosis

Stenosis, or narrowing of the spinal canal, is mainly caused by a combination of ageing and degenerative changes in the spine. Wear and repeated minor injury to different parts of the spinal column lead to disc bulging, ligament thickening and enlargement of the intervertebral joints. Together, these narrow the canal and place pressure on the spinal cord and nerve roots. Spinal canal stenosis usually develops in people over 60. It occurs less often in younger age groups and is usually associated with a congenitally narrow canal. Stenosis most often causes low back and leg pain, leading to claudication.

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