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Permanent link (DOI): https://doi.org/10.7939/R30Q37

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Prediction of Load-Sharing Mechanisms and Patterns of Human Cervical Spine Injuries Due to High-Velocity Impact Using Finite Element Method Open Access

Descriptions

Other title
Subject/Keyword
bone fracture
high speed impact
finite-element analysis
ligament tear
experimental validation
injury
cervical motion segment
combined-complex loading
load sharing
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Mustafy,Tanvir
Supervisor and department
Moglo,Kodjo (Mechanical and Aerospace Engineering)
El-Rich,Marwan (Civil and Environmental Engineering)
Examining committee member and department
Adeeb,Samer M. (Civil and Environmental Engineering)
Moglo,Kodjo (Mechanical and Aerospace Engineering)
El-Rich,Marwan (Civil and Environmental Engineering)
Duke,Kajsa K. (Mechanical Engineering)
Department
Department of Civil and Environmental Engineering
Specialization
Structural Engineering
Date accepted
2013-10-03T10:57:58Z
Graduation date
2013-11
Degree
Master of Science
Degree level
Master's
Abstract
The purpose of the current study was to investigate the loading rate dependency, load-sharing and injury mechanisms of the C2-C3 cervical spine unit. A ligamentous bio-realistic finite element model was constructed considering comprehensive geometrical representation at tissue level components and material laws that include strain rate effect, bone fracture and ligament failure. The model has been validated for both quasi-static and dynamic loading scenarios. The study demonstrated four important findings: 1) Cervical segment response is rate dependent as it showed distinctive responses under different rates of loading; 2) Ligaments are the primary load-bearing structure for in plane and out of plane loading; 3) Depending on the loading rate and direction, capsular ligaments, articular facets represent vulnerable sites and they possess risk of failure under impact complex loading. 4) This model provides detailed biofidelic kinematic and local tissue response up to failure, leading to injury prediction in major and/minor injury conditions.
Language
English
DOI
doi:10.7939/R30Q37
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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