Disc Herniation |
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Conditions and Treatments
The spinal column consists of a string of 33 bones, called vertebrae, between the skull and pelvis. Between the bones are the intervertebral discs that act as shock absorbers and keep the vertebrae from grinding against each other. The outer edge of the disc is a ring of gristle-like cartilage called the annulus. The center of the disc is a gel-like substance called the nucleus. A disc herniates, ruptures or "slips" when part of the center nucleus pushes the outer edge of the disc into the spinal canal. The surrounding tissue becomes swollen and inflamed and may put pressure on adjacent nerves or the spinal cord. There are three main types of herniated discs:
Herniated discs can result from poor posture, injury, lifting or bending. However, the most common cause of disc problems is degeneration associated with age. As we grow older, the discs begin to dehydrate and lose their elasticity. Ways to prevent disc herniation include:
- Stopping smoking, which impedes circulation
- Stretching
- Having good posture
- Wearing low-heeled shoes
- Doing aerobic exercise
- Eating a healthy diet
- Maintaining a proper weight
Reviewed by health care specialists at UCSF Medical Center.
Last updated May 8, 2007
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