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15 June 2020 : Clinical Research  

Comparative Three-Dimensional Finite Element Analysis of 4 Kinds of Pedicle Screw Schemes for Treatment of Adult Degenerative Scoliosis

Yang Zhou1ABE, Daqi Xin2CD, Zhuoting Lei3C, Yuan Zuo4CD, Yan Zhao4EG*

DOI: 10.12659/MSM.922050

Med Sci Monit 2020; 26:e922050

Table 7 Maximum force values of each vertebral body of the strategic screw system under 7 working conditions.

Work conditionT12L1L2L3L4L5
Forward flexion59.75105.1296.11435.845106.04165.08
Backward extension60.463104.1193.71437.514103.9163.94
Left lateral flexion88.28799.60690.76532.56394.484110.59
Right lateral flexion98.279101.63100.1336.20799.595109.74
Left axial rotation48.42525.27243.91518.825.13632.186
Right axial rotation48.40425.1743.90218.8125.14832.181
L – lumbar vertebra; T – thoracic vertebra.

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750