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26 results on '"Regnault, Sophie"'

5. Christophe Guibert, Benjamin Taunay, Les Chinois à la plage en Chine

Author

Regnault, Sophie

Abstract

Cet ouvrage propose d’étudier la plage en Chine comme un nouvel espace de loisir, révélateur des rapports sociaux. Mêlant les approches sociologiques et anthropologiques, il questionne la mondialisation culturelle et l’usage de la plage face à l’essor récent du tourisme balnéaire. L’étude révèle en outre une diversité de rapports à la plage selon le sexe, l’âge, les relations sociales et le milieu social. Les auteurs veillent à adopter un regard non ethnocentré, attentifs en cela aux prénotio...

Published
2022

6. Sesamoid bones in tuatara

Author

Regnault, Sophie and Hutchinson, John

Abstract

X-ray microtomography scans of tuatara accompanying paper "Sesamoid bones in tuatara (Sphenodon punctatus) investigated with X-ray microtomography, and implications for sesamoid evolution in Lepidosauria", by Regnault, Hutchinson and Jones (Journal of Morphology): http://onlinelibrary.wiley.com/doi/10.1002/jmor.20619/full (open access paper) Thanks to the Leverhulme Trust for funding that made sharing these data possible (grant to JRH).

Published
2022
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26. Musculoskeletal modeling of sprawling and parasagittal forelimbs provides insight into synapsid postural transition.

Author

Brocklehurst RJ, Fahn-Lai P, Regnault S, and Pierce SE

Abstract

The sprawling-parasagittal postural shift was a major transition during synapsid evolution, underpinned by reorganization of the forelimb, and considered key to mammalian ecological diversity. Determining when and how this transition occurred in the fossil record is challenging owing to limited comparative data on extant species. Here, we built forelimb musculoskeletal models of three extant taxa that bracket sprawling-parasagittal postures-tegu lizard, echidna, and opossum-and tested the relationship between three-dimensional joint mobility, muscle action, and posture. Results demonstrate clear functional variation between postural grades, with the parasagittal opossum occupying a distinct region of pose space characterized by a highly retracted and depressed shoulder joint that emphasizes versatility and humeral elevation. Applying our data to the fossil record support trends of an increasingly retracted humerus and greater elevation muscle moment arms indicative of more parasagittal postures throughout synapsid evolution., Competing Interests: We declare we have no competing interests., (© 2021 The Authors.)

Published
2021
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