Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/65841
DC Field | Value | Language |
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dc.contributor | Department of Biomedical Engineering | - |
dc.creator | Sun, J | - |
dc.creator | Yan, S | - |
dc.creator | Jiang, Y | - |
dc.creator | Wong, DWC | - |
dc.creator | Zhang, M | - |
dc.creator | Zeng, J | - |
dc.creator | Zhang, K | - |
dc.date.accessioned | 2017-05-22T02:09:20Z | - |
dc.date.available | 2017-05-22T02:09:20Z | - |
dc.identifier.uri | http://hdl.handle.net/10397/65841 | - |
dc.language.iso | en | en_US |
dc.publisher | BioMed Central | en_US |
dc.rights | © The Author(s) 2016. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdo‑main/zero/1.0/) applies to the data made available in this article, unless otherwise stated. | en_US |
dc.rights | The following publication Sun, J., Yan, S., Jiang, Y., Wong, D. W. C., Zhang, M., Zeng, J., & Zhang, K. (2016). Finite element analysis of the valgus knee joint of an obese child. Biomedical Engineering Online, 15(Suppl. 2), 158, 309-321 is available at https://dx.doi.org/10.1186/s12938-016-0253-3 | en_US |
dc.subject | Contact force | en_US |
dc.subject | Finite element | en_US |
dc.subject | Kinematics | en_US |
dc.subject | Knee valgus | en_US |
dc.subject | Obese child | en_US |
dc.title | Finite element analysis of the valgus knee joint of an obese child | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.spage | 309 | en_US |
dc.identifier.epage | 321 | - |
dc.identifier.volume | 15 | en_US |
dc.identifier.doi | 10.1186/s12938-016-0253-3 | en_US |
dcterms.abstract | Background: Knee valgus and varus morbidity is at the second top place in children lower limb deformity diseases. It may cause abnormal stress distribution. The magnitude and location of contact forces on tibia plateau during gait cycle have been indicated as markers for risk of osteoarthritis. So far, few studies reported the contact stress and force distribution on tibial plateau of valgus knee of children. | - |
dcterms.abstract | Methods: To estimate the contact stresses and forces on tibial plateau of an 8-year old obese boy with valgus knee and a 7-year old healthy boy, three-dimensional (3D) finite element (FE) models of their left knee joints were developed. The valgus knee model has 36,897 nodes and 1,65,106 elements, and the normal knee model has 78,278 nodes and 1,18,756 elements. Paired t test was used for the comparison between the results from the 3D FE analysis method and the results from traditional kinematic measurement methods. | - |
dcterms.abstract | Results: The p value of paired t test is 0.12. Maximum stresses shifted to lateral plateau in knee valgus children while maximum stresses were on medial plateau in normal knee child at the first peak of vertical GRF of stance phase. The locations of contact centers on medial plateau changed 3.38mm more than that on lateral plateau, while the locations of contact centers on medial plateau changed 1.22mm less than that on lateral plateau for healthy child from the first peak to second peak of vertical GRF of stance phase. Conclusions: The paired t test result shows that there is no significant difference between the two methods. The results of FE analysis method suggest that knee valgus malalignment could be the reason for abnormal knee load that may cause knee problems in obese children with valgus knee in the long-term. This study may help to understand biomechanical mechanism of valgus knees of obese children. | - |
dcterms.accessRights | open access | - |
dcterms.bibliographicCitation | BioMedical engineering online, Dec. 2016 , v. 15, suppl. 2, 158, p. 309-321 | - |
dcterms.isPartOf | BioMedical engineering online | - |
dcterms.issued | 2016-12 | - |
dc.identifier.isi | WOS:000392424700026 | - |
dc.identifier.scopus | 2-s2.0-85007089882 | - |
dc.identifier.eissn | 1475-925X | en_US |
dc.identifier.artn | 158 | en_US |
dc.description.oa | Version of Record | - |
dc.identifier.FolderNumber | a0641-n07 | - |
dc.description.fundingSource | Others | - |
dc.description.fundingText | NSFC (11272273) | - |
dc.description.pubStatus | Published | - |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
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Sun_Finite_Element_Analysis.pdf | 1.48 MB | Adobe PDF | View/Open |
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