Cervical facetectomy and its effect on spine strength.

  title={Cervical facetectomy and its effect on spine strength.},
  author={R B Raynor and Jeffrey Pugh and Israel Shapiro},
  journal={Journal of neurosurgery},
  volume={63 2},
Fourteen cervical spine motion segments consisting of two adjacent vertebral bodies and their connecting ligaments were tested in shear. Five had intact facet joints, five had bilateral facetectomy of 50% or less, and four had bilateral 70% facetectomy. Three to 5 mm of root could be exposed in the specimens with 50% facetectomy, and 8 to 10 mm in those with 70% facetectomy. Anterior-posterior shear tests were run alternately in compression and distraction. Facetectomy was found to have no… CONTINUE READING


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