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Signs and Symptoms

  • By: ISA Content Team
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Spine Segment Dysfunction

A spinal segment refers to two vertebrae, the intervening intervertebral disc and the supportive structures. The phrase spinal segment dysfunction refers to abnormal movement of a spinal segment. This may manifest as a stiff (hypomobile) segment, a hypermobile segment or a egment which has lost its normal axis of rotation.

The most common cause for spine segment dysfunction is degenerative disc disease, scar tissue (fibrosis), muscle hypertonicity/spams and/or inflammation of one or more of the spinal facet joint complexes. A loss of normal spinal segment movement at one level may be associated with compensatory abnormal movement at adjacent spinal evels. The term spine segment dysfunction is not commonly used to describe spine instability, spinal fracture or spinal dislocation.



Educational Partners

To learn more about your spine. spinehealth, and available spinecare go to the International Spine Assocition (ISA) at www.spineinformation.org. The primary mission of the ISA is to improve spinehealth and spinecare through education. The ISA is committed to disseminating need-to-know information throught the World Wide Web in numerous languages covering many topics related to the spine, including information about spine disorders, spine heath, advances in technology and available spinecare



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All health information posted on the site is based on the latest research and national treatment standards, and have been written or reviewed and appoved by the American Acedemy of Spine Physicians and/or International Spine Association physicians or health professionals unless otherwise specified.



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