Trabecular architecture of the great ape and human femoral head.

Journal of Anatomy
Leoni GeorgiouMatthew M Skinner

Abstract

Studies of femoral trabecular structure have shown that the orientation and volume of bone are associated with variation in loading and could be informative about individual joint positioning during locomotion. In this study, we analyse for the first time trabecular bone patterns throughout the femoral head using a whole-epiphysis approach to investigate how potential trabecular variation in humans and great apes relates to differences in locomotor modes. Trabecular architecture was analysed using microCT scans of Pan troglodytes (n = 20), Gorilla gorilla (n = 14), Pongo sp. (n = 5) and Homo sapiens (n = 12) in medtool 4.1. Our results revealed differences in bone volume fraction (BV/TV) distribution patterns, as well as overall trabecular parameters of the femoral head between great apes and humans. Pan and Gorilla showed two regions of high BV/TV in the femoral head, consistent with hip posture and loading during two discrete locomotor modes: knuckle-walking and climbing. Most Pongo specimens also displayed two regions of high BV/TV, but these regions were less discrete and there was more variability across the sample. In contrast, Homo showed only one main region of high BV/TV in the femoral head and had the lowest BV/TV, as...Continue Reading

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Citations

Aug 14, 2020·American Journal of Human Biology : the Official Journal of the Human Biology Council·Lily J D DeMarsTimothy M Ryan
Apr 2, 2020·Proceedings of the National Academy of Sciences of the United States of America·Leoni GeorgiouMatthew M Skinner
Apr 4, 2021·American Journal of Physical Anthropology·Alessio VenezianoDamiano Marchi
May 5, 2021·Journal of Anatomy·Emma E BirdMatthew M Skinner

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