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Medical Term:

spinal instability


Definition: the inability of the spinal column, under physiologic loading, to maintain its normal configuration; can result from congenital defects, trauma, degenerative change, or neoplastic diseases affecting the vertebrae, intervertebral discs, or spinal ligaments; may lead to damage to the spinal cord or nerve roots or to painful spinal deformity.

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.