Abstract
The main purposes of spinal instrumentation are restoration of stability in an inherently unstable or surgically destabilized spine, and correction and maintenance of spinal deformities via forces effected by the instrumentation [1–6]. Spinal instrumentation may be, at large, divided into anterior instrumentation and posterior instrumentation by the element of the vertebral body utilized to fix the implant to the vertebral column. Those fixing the anterior column (usually the vertebra body proper) are considered anterior instrumentation while those fixing the structures of the posterior column (lamina, facets, pedicles) are considered posterior instrumentation.
Though there are many factors which may affect the choice of the instrumentation method for a specific spinal problem, the two most important factors seems to be the location of the pathology causing the instability or the deformity and the experience of the treating surgeon.
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Suk, S.I., Kim, W.J. (2016). Biomechanics of Posterior Instrumentation for Spinal Arthrodesis. In: Poitout, D. (eds) Biomechanics and Biomaterials in Orthopedics. Springer, London. https://doi.org/10.1007/978-1-84882-664-9_35
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