Spinal instability (overview)
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At the time the article was created Henry Knipe had no recorded disclosures.View Henry Knipe's current disclosures
At the time the article was last revised Yuranga Weerakkody had no recorded disclosures.View Yuranga Weerakkody's current disclosures
Spinal instability is a broad term with no generally agreed-upon definition but can be thought of the potential for or actual abnormal segmental spinal motion.
Spinal microinstability refers to abnormal segmental movement without bony changes 1.
Spinal instability is best thought of due to its etiology due to different clinical presentations, pathogenesis and management. Broadly, the three most important types are 2:
There are other causes of spinal instability including infectious, inflammatory and iatrogenic 1.
- 1. Izzo R, Guarnieri G, Guglielmi G, Muto M. Biomechanics of the spine. Part II: spinal instability. (2013) European journal of radiology. 82 (1): 127-38. doi:10.1016/j.ejrad.2012.07.023 - Pubmed
- 2. Muto M, Giurazza F, Guarnieri G, Izzo R, Diano A. Neuroimaging of Spinal Instability. (2016) Magnetic resonance imaging clinics of North America. 24 (3): 485-94. doi:10.1016/j.mric.2016.04.003 - Pubmed