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 5mm 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.
journal_name
J Biomechjournal_title
Journal of biomechanicsauthors
Thambyah A,Shim VP,Chong LM,Lee VSdoi
10.1016/j.jbiomech.2008.01.033subject
Has Abstractpub_date
2008-01-01 00:00:00pages
1236-42issue
6eissn
0021-9290issn
1873-2380pii
S0021-9290(08)00080-8journal_volume
41pub_type
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