Recording Specific Entheseal Changes of Fibrocartilaginous Entheses

Initial Tests Using the Coimbra Method

Bibliographic Data

ID4685993
AuthorsC Y Henderson (0000-0001-6954-7328, CIAS‐Centro de Investigação em Antropologia e Saúde Universidade de Coimbra Coimbra Portugal, corresponding author), Mariotti (0000-0002-6956-781X, University of Bologna), V Mariotti (Department of Experimental Evolutionary Biology University of Bologna Bologna Italy), D Pany-Kucera (0000-0003-4140-3220, Natural History Museum Vienna), D Pany‐kucera (Natural History Museum Department of Anthropology Vienna Austria), Villotte (0000-0002-2958-8034, University of Bradford), S Villotte (Department of Archaeological, Geographical and Environmental Sciences University of Bradford Bradford UK), C Wilczak (Department of Anthropology San Francisco State University San Francisco CA USA), Cynthia A Wilczak (0000-0003-3224-255X, San Francisco State University)
Year2013
Volume23
Issue2
Pages152-162
Publication date2013-03-01
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueInternational Journal of Osteoarchaeology (JOURNAL)
Journal identifiersISSN: 1047-482X • E-ISSN: 1099-1212
PublisherWiley (PUBLISHER • GB)
DOI10.1002/oa.2287
OpenAlexW2152867537
LanguageEN
Citations received62
References cited21

A working group was established in 2009 during a workshop in Coimbra, Portugal to review the various methodologies used to record entheseal changes (EC) and develop a standardised system to facilitate comparisons across studies. This paper presents the first results of the Coimbra method, a new qualitative method for recording fibrocartilaginous entheses based on the types of changes observed.Materials and methods: The new method divides the enthesis into a margin (only the area opposite the acute angle of fibre attachment) and surface (which also includes the remaining margin). Five features are recorded: bone formation, erosion, fine porosity, macro-porosity and cavitation. A total of 67 male skeletons from the identified SIMON collection, Geneva, Switzerland, all of whom were manual workers and aged between 20 and 79 years, were used for this study. Six skeletons were used by the authors as exemplars to determine standard criteria for recording each change. Thirty male skeletons were selected to test intra-observer and inter-observer error of the new method. An additional 31 skeletons were used for a preliminary test of the relationship between EC and age, using exploratory statistics and ordinal regression.Results: Intra-observer and inter-observer error had a similar percentage agreement of around 70%. The exploratory statistics indicated a general trend for increased scores of each feature with age, but ordinal regression demonstrated that this was not statistically significant (p < 0.05) for all features.Discussion: The recording method is repeatable for some entheses. The effect of the ageing process is dependent on enthesis and EC feature. Unlike most methods, the Coimbra method records EC features in detail; this has the advantage of allowing studies of the relationship between different EC and age as well as sex and occupation. Further studies on larger identified skeletal collections are needed to test the effect of age, sex and occupation. Copyright (c) 2012 John Wiley & Sons, Ltd

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