{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T11:32:30Z","timestamp":1790249550535,"version":"4.1.0"},"reference-count":53,"publisher":"ASME International","issue":"3","content-domain":{"domain":["asmedigitalcollection.asme.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2017,3,1]]},"abstract":"<jats:p>Knowledge of spinal loads in neighboring disks after interbody fusion plays an important role in the clinical decision of this treatment as well as in the elucidation of its effect. However, controversial findings are still noted in the literature. Moreover, there are no existing models for efficient prediction of intervertebral disk stresses within annulus fibrosus (AF) and nucleus pulposus (NP) regions. In this present study, a new hybrid rigid-deformable modeling workflow was established to quantify the mechanical stress behaviors within AF and NP regions of the L1\u20132, L2\u20133, and L4\u20135 disks after interbody fusion at L3\u20134 level. The changes in spinal loads were compared with results of the intact model without interbody fusion. The fusion outcomes revealed maximal stress changes (10%) in AF region of L1\u20132 disk and in NP region of L2\u20133 disk. The minimal stress change (1%) is noted at the NP region of the L1\u20132 disk. The validation of simulation outcomes of fused and intact lumbar spine models against those of other computational models and in vivo measurements showed good agreements. Thus, this present study may be used as a novel design guideline for a specific implant and surgical scenario of the lumbar spine disorders.<\/jats:p>","DOI":"10.1115\/1.4035483","type":"journal-article","created":{"date-parts":[[2016,12,20]],"date-time":"2016-12-20T11:30:49Z","timestamp":1482233449000},"update-policy":"https:\/\/doi.org\/10.1115\/crossmarkpolicy-asme","source":"Crossref","is-referenced-by-count":4,"title":["Hybrid Rigid-Deformable Model for Prediction of Neighboring Intervertebral Disk Loads During Flexion Movement After Lumbar Interbody Fusion at L3\u20134 Level"],"prefix":"10.1115","volume":"139","author":[{"given":"Tien","family":"Tuan Dao","sequence":"first","affiliation":[{"name":"Sorbonne University, Universit\u00e9 de Technologie de Compi\u00e8gne, CNRS, UMR 7338 Biomechanics and Bioengineering, Centre de Recherche Royallieu, Compi\u00e8gne CS 60 319, France e-mail:"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"33","published-online":{"date-parts":[[2017,1,23]]},"reference":[{"issue":"1","key":"2019100602273213700_bib1","doi-asserted-by":"publisher","first-page":"59","DOI":"10.1097\/00007632-197603000-00009","article-title":"The Lumbar Spine: An Orthopaedic Challenge","volume":"1","year":"1976","journal-title":"Spine"},{"key":"2019100602273213700_bib2","doi-asserted-by":"publisher","DOI":"10.1007\/s00586-016-4629-7","article-title":"Multivariable Modeling of Factors Associated With Spinal Pain in Young Adolescence","volume":"25","year":"2016","journal-title":"Eur. 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