Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/62351
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dc.contributorDepartment of Biomedical Engineeringen_US
dc.creatorWong, WCen_US
dc.creatorNiu, Wen_US
dc.creatorWang, Yen_US
dc.creatorZhang, Men_US
dc.date.accessioned2016-12-19T09:00:19Z-
dc.date.available2016-12-19T09:00:19Z-
dc.identifier.urihttp://hdl.handle.net/10397/62351-
dc.language.isoenen_US
dc.publisherPublic Library of Scienceen_US
dc.rights© 2016 Wong et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.en_US
dc.rightsThe following publication: Wong DW-C, Niu W, Wang Y, Zhang M (2016) Finite Element Analysis of Foot and Ankle Impact Injury: Risk Evaluation of Calcaneus and Talus Fracture. PLoS ONE 11(4): e0154435 is available at https://doi.org/10.1371/journal.pone.0154435en_US
dc.titleFinite element analysis of foot and ankle impact injury : risk evaluation of calcaneus and talus fractureen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.volume11en_US
dc.identifier.issue4en_US
dc.identifier.doi10.1371/journal.pone.0154435en_US
dcterms.abstractIntroduction: Foot and ankle impact injury is common in geriatric trauma and often leads to fracture of rearfoot, including calcaneus and talus. The objective of this study was to assess the influence of foot impact on the risk of calcaneus and talus fracture via finite element analysis.en_US
dcterms.abstractMethods: A three-dimensional finite element model of foot and ankle was constructed based on magnetic resonance images of a female aged 28. The foot sustained a 7-kg passive impact through a foot plate. The simulated impact velocities were from 2.0 to 7.0 m/s with 1.0 m/s interval.en_US
dcterms.abstractResults: At 5.0 m/s impact velocity, the maximum von Mises stress of the trabecular calcaneus and talus were 3.21MPa and 2.41MPa respectively, while that of the Tresca stress were 3.46MPa and 2.55MPa. About 94% and 84% of the trabecular calcaneus and talus exceeded the shear yielding stress, while 21.7% and 18.3% yielded the compressive stress. The peak stresses were distributed around the talocalcaneal articulation and the calcaneal tuberosity inferiorly, which corresponded to the common fracture sites.en_US
dcterms.abstractConclusions: The prediction in this study showed that axial compressive impact at 5.0 m/s could produce considerable yielding of trabecular bone in both calcaneus and talus, dominantly by shear and compounded with compression that predispose the rearfoot in the risk of fracture. This study suggested the injury pattern and fracture mode of high energy trauma that provides insights in injury prevention and fracture management.en_US
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationPLoS one, 27 Apr. 2016, v. 11, no. 4, e0154435en_US
dcterms.isPartOfPLoS oneen_US
dcterms.issued2016-04-27-
dc.identifier.isiWOS:000374976200074-
dc.identifier.pmid27119740-
dc.identifier.eissn1932-6203en_US
dc.identifier.rosgroupid2015002061-
dc.description.ros2015-2016 > Academic research: refereed > Publication in refereed journalen_US
dc.description.validate201810_a bcmaen_US
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumbera0641-n04-
dc.description.fundingSourceRGCen_US
dc.description.fundingSourceOthersen_US
dc.description.fundingTextNSFC (11272273)en_US
dc.description.pubStatusPublisheden_US
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