Comparative cortical bone thickness between the long bones of humans and five common non-human mammal taxa

Forensic Science International : Synergy
Sarah L CrokerDenise Donlon

Abstract

The task of identifying fragments of long bone shafts as human or non-human is difficult but necessary, for both forensic and archaeological cases, and a fast simple method is particularly useful. Previous literature suggests there may be differences in the thickness of the cortical bone between these two groups, but this has not been tested thoroughly. The aim of this study was not only to test this suggestion, but also to provide data that could be of practical assistance for future comparisons. The major limb bones (humerus, radius, femur and tibia) of 50 Caucasoid adult skeletons of known age and sex were radiographed, along with corresponding skeletal elements from sheep, pigs, cattle, large dogs and kangaroos. Measurements were taken from the radiographs at five points along the bone shaft, of shaft diameter, cortical bone thickness, and a cortical thickness index (sum of cortices divided by shaft diameter) in both anteroposterior and mediolateral orientations. Each variable for actual cortical bone thickness as well as cortical thickness indices were compared between the human group (split by sex) and each of the non-human groups in turn, using Student's t-tests. Results showed that while significant differences did exis...Continue Reading

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Citations

Jan 2, 2021·Forensic Science International : Synergy·Martin Baiker-SørensenRichard Visser
Jan 23, 2021·Anatomical Science International·Tahlia J StewartJustyna J Miszkiewicz
Dec 4, 2019·Journal of Cystic Fibrosis : Official Journal of the European Cystic Fibrosis Society·Julien BrauxFrédéric Velard
Aug 6, 2021·Veterinary Surgery : VS·David McChesneyDenis J Marcellin-Little

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