Retrolisthesis is a joint dysfunction that occurs when a single vertebra slips backward. In some cases, the vertebra slips underneath a disc. This movement measures two millimeters or more but is not severe enough to qualify as a dislocation. Retrolisthesis most often happens in the neck and shoulder area or the lower back. Experts recognize several types of retrolisthesis and many possible treatments.
There are three types of retrolisthesis:
Additionally, doctors define the location where the retrolisthesis occurred using one of three terms: cervical refers to the neck and shoulders, lumbar to the lower back, and thoracic to the middle of the spine.
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