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  5. High resolution three-dimensional strain measurements in human articular cartilage
 
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High resolution three-dimensional strain measurements in human articular cartilage
File(s)
JMBBM-D-20-00662_R2.pdf (2.73 MB)
Accepted version
Author(s)
Clark, Jeff
Tavana, Saman
Clark, Brett
Briggs, Tom
Jeffers, Jonathan
more
Type
Journal Article
Abstract
An unresolved challenge in osteoarthritis research is characterising the localised intra-tissue mechanical response of articular cartilage. The aim of this study was to explore whether laboratory micro-computed tomography (micro-CT) and digital volume correlation (DVC) permit non-destructive quantification of three-dimensional (3D) strain fields in human articular cartilage. Human articular cartilage specimens were harvested from the knee, mounted into a loading device and imaged in the unloaded and loaded states using a micro-CT scanner. Strain was measured throughout the cartilage volume using the micro-CT image data and DVC analysis. The volumetric DVC-measured strain was within 5% of the known applied strain. Variation in strain distribution between the superficial, middle and deep zones was observed, consistent with the different architecture of the material in these locations. These results indicate DVC method may be suitable for calculating strain in human articular cartilage.
Date Issued
2021-12-01
Date Acceptance
2021-08-28
Citation
Journal of The Mechanical Behavior of Biomedical Materials, 2021, 124
URI
http://hdl.handle.net/10044/1/91543
DOI
https://www.dx.doi.org/10.1016/j.jmbbm.2021.104806
ISSN
1751-6161
Publisher
Elsevier
Journal / Book Title
Journal of The Mechanical Behavior of Biomedical Materials
Volume
124
Copyright Statement
© 2021 Published by Elsevier Ltd. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence http://creativecommons.org/licenses/by-nc-nd/4.0/
License URL
http://creativecommons.org/licenses/by-nc-nd/4.0/
Sponsor
Engineering & Physical Science Research Council (EPSRC)
Engineering & Physical Science Research Council (EPSRC)
Grant Number
EP/K027549/1
EP/N025059/1
Subjects
Biomedical Engineering
0903 Biomedical Engineering
0912 Materials Engineering
0913 Mechanical Engineering
Publication Status
Published
Article Number
ARTN 104806
Date Publish Online
2021-09-01
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