tear, also called disc
degeneration, is the usual cause of a
herniated disc. As we age,
the discs in our back lose some of the fluid that helps them stay flexible. The
outer layer of the discs can form tiny tears or cracks. The thick gel inside
the disc may be forced out through those cracks and cause the disc to bulge or
This can also happen when you injure your back. Injury can
A sudden heavy strain or increased pressure to the
lower back. Sometimes a sudden twisting movement or even a sneeze will force
some of the material out.
Activities that are done over and over again
that may stress the lower back, including poor lifting habits, prolonged
exposure to vibration, and sports-related
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
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