{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,24]],"date-time":"2026-06-24T03:02:10Z","timestamp":1782270130533,"version":"3.54.5"},"reference-count":49,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2023,7,13]],"date-time":"2023-07-13T00:00:00Z","timestamp":1689206400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100004300","name":"Senior Talent Foundation of Jiangsu University","doi-asserted-by":"publisher","award":["19JDG022"],"award-info":[{"award-number":["19JDG022"]}],"id":[{"id":"10.13039\/501100004300","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Numer Methods Biomed Eng"],"published-print":{"date-parts":[[2023,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Based on computerized tomography scanning images of human lumbar vertebrae, finite element (FE) analysis is performed to predict the stress of pedicle screws, rods, and fractured vertebra as well as the displacement of fractured vertebra after internal fixation treatment of thoracolumbar burst fracture. A three\u2010dimensional FE model of L1\u2013L5 lumbar vertebrae with L3 burst fracture has been established and four fixation methods, namely, short segment cross\u2010 and trans\u2010injured vertebrae, long segment cross\u2010 and trans\u2010injured vertebrae fixations, have been adopted to perform posterior pedicle fixation. The stress distributions of the screws, rods, and fractured vertebra and the total deformation of the fractured vertebra are investigated under six different physiological motions. From the view of the stress on the screw\u2010rod system and the deformation of the fractured vertebral body, the long segment cross\u2010injured vertebra fixation has the best mechanical performance, followed by the long segment trans\u2010injured vertebra fixation, and then the short segment fixation trans\u2010injured vertebra. The short segment fixation cross\u2010injured vertebra performs the worst. Among the six motions, the forward flexion movement has the greatest impact on the screw\u2010rod system and the fractured vertebra. However, the rotation motion greatly affects the stress of the screw in the long segment fixation. This indicates that the longer the fixed segment is, the more susceptible it is to human rotation. Thus, for patients with severe fracture, the long segment cross\u2010injured vertebra is preferred. On the contrary, the short segment trans\u2010injured vertebra fixation is optimal.<\/jats:p>","DOI":"10.1002\/cnm.3756","type":"journal-article","created":{"date-parts":[[2023,7,14]],"date-time":"2023-07-14T05:20:32Z","timestamp":1689312032000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Clinic choice of long or short segment pedicle screw\u2010rod fixation in the treatment of thoracolumbar burst fracture: From scan data to numerical study"],"prefix":"10.1002","volume":"39","author":[{"given":"Jiangping","family":"Xu","sequence":"first","affiliation":[{"name":"School of Mechanical Engineering Jiangsu University  Zhenjiang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhijun","family":"Yin","sequence":"additional","affiliation":[{"name":"School of Mechanical Engineering Jiangsu University  Zhenjiang 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