Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jbiomech.2008.01.033
Title: Impact-induced osteochondral fracture in the tibial plateau
Authors: Thambyah, A.
Shim, V.P.W. 
Chong, L.M.
Lee, V.S.
Keywords: Bone
Cartilage mechanics
Failure
Fracture
Micro-CT
Issue Date: 2008
Source: Thambyah, A., Shim, V.P.W., Chong, L.M., Lee, V.S. (2008). Impact-induced osteochondral fracture in the tibial plateau. Journal of Biomechanics 41 (6) : 1236-1242. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jbiomech.2008.01.033
Abstract: In this study, human tibia plateaus with the meniscus removed were impacted on various regions of the plateau surface via a drop test using a 5 mm indenter. Osteochondral blocks containing the failure site were then extracted, chemically fixed, dehydrated, gold-particle coated, and sent for X-ray micro-CT imaging to obtain 3-D image reconstructions of the cartilage and underlying bone. Cartilage failure upon impact appeared to be characteristically brittle in nature. Impacted cartilage from the region not protected by the meniscus showed a relatively large cavernous disruption with microcrack propagation extending radially into the subchondral bone, while impacted cartilage from beneath the meniscus showed less dramatic surface disruption and with no underlying bone failure. © 2008 Elsevier Ltd. All rights reserved.
Source Title: Journal of Biomechanics
URI: http://scholarbank.nus.edu.sg/handle/10635/60486
ISSN: 00219290
DOI: 10.1016/j.jbiomech.2008.01.033
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