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  Intrapopulation variation in lower limb trabecular architecture

Mulder, B., Stock, J. T., Saers, J. P. P., Inskip, S. A., Cessford, C., & Robb, J. E. (2020). Intrapopulation variation in lower limb trabecular architecture. American Journal of Physical Anthropology, 24058. doi:10.1002/ajpa.24058.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-5C4D-E Version Permalink: http://hdl.handle.net/21.11116/0000-0006-5C4E-D
Genre: Journal Article

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 Creators:
Mulder, Bram, Author
Stock, Jay T.1, Author              
Saers, Jaap P. P., Author
Inskip, Sarah A., Author
Cessford, Craig, Author
Robb, John E., Author
Affiliations:
1Archaeology, Max Planck Institute for the Science of Human History, Max Planck Society, ou_2074312              

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Free keywords: bone functional adaptation, intrapopulation variation, lower limb, sexual dimorphism, trabecular bone
 Abstract: Abstract Objectives Trabecular structure is frequently used to differentiate between highly divergent mechanical environments. Less is known regarding the response of the structural properties to more subtle behavioral differences, as the range of intrapopulation variation in trabecular architecture is rarely studied. Examining the extent to which lower limb trabecular architecture varies when inferred mobility levels and environment are consistent between groups within a relatively homogenous population may aid in the contextualization of interpopulation differences, improve detectability of sexual dimorphism in trabecular structure, and improve our understanding of trabecular bone functional adaptation. Materials and methods The study sample was composed of adult individuals from three high/late medieval cemeteries from Cambridge (10th?16th c.), a hospital (n = 57), a parish cemetery (n = 44) and a friary (n = 14). Trabecular architecture was quantified in the epiphyses of the femur and tibia, using high resolution computed tomography. Results The parish individuals had the lowest bone volume fraction and trabecular thickness in most regions. Multiple sex differences were observed, but the patterns were not consistent across volumes of interest. Discussion Differences between the three groups highlight the great variability of trabecular bone architecture, even within a single sedentary population. This indicates that trabecular bone may be used in interpreting subtle behavioral differences, and suggests that multiple archaeological sites need to be studied to characterize structural variation on a population level. Variation in sex and group differences across anatomical locations further demonstrates the site-specificity in trabecular bone functional adaptation, which might explain why little consistent sexual dimorphism has been reported previously.

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Language(s): eng - English
 Dates: 2020-04-11
 Publication Status: Published online
 Pages: 18
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1002/ajpa.24058
Other: shh2587
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Title: American Journal of Physical Anthropology
Source Genre: Journal
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Publ. Info: New York, NY : Wiley-Liss, Inc.
Pages: - Volume / Issue: - Sequence Number: 24058 Start / End Page: - Identifier: ISSN: 0002-9483
CoNE: https://pure.mpg.de/cone/journals/resource/954926960915