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In vivo and ex vivo range of motion in the fire salamander Salamandra salamandra


Herbst, Eva C; Eberhard, Enrico A; Richards, Christopher T; Hutchinson, John R (2022). In vivo and ex vivo range of motion in the fire salamander Salamandra salamandra. Journal of Anatomy, 241(4):1066-1082.

Abstract

Joint range of motion (RoM) analyses are fundamental to our understanding of how an animal moves throughout its ecosystem. Recent technological advances allow for more detailed quantification of this RoM (e.g. including interaction of degrees of freedom) both in ex vivo joints and in vivo experiments. Both types of data have been used to draw comparisons with fossils to reconstruct locomotion. Salamanders are often used as analogues for early tetrapod locomotion; testing such hypotheses requires an in-depth analysis of salamander joint RoM. Here, we provide a detailed dataset of the ex vivo ligamentous rotational joint RoM in the hindlimb of the fire salamander Salamandra salamandra, using a new method for collecting and visualising joint RoM. We also characterise in vivo joint RoM used during walking, via scientific rotoscoping and compare the in vivo and ex vivo data. In summary, we provide (1) a new method for joint RoM data experiments and (2) a detailed analysis of both in vivo and ex vivo data of salamander hindlimbs, which can be used for comparative studies.

Abstract

Joint range of motion (RoM) analyses are fundamental to our understanding of how an animal moves throughout its ecosystem. Recent technological advances allow for more detailed quantification of this RoM (e.g. including interaction of degrees of freedom) both in ex vivo joints and in vivo experiments. Both types of data have been used to draw comparisons with fossils to reconstruct locomotion. Salamanders are often used as analogues for early tetrapod locomotion; testing such hypotheses requires an in-depth analysis of salamander joint RoM. Here, we provide a detailed dataset of the ex vivo ligamentous rotational joint RoM in the hindlimb of the fire salamander Salamandra salamandra, using a new method for collecting and visualising joint RoM. We also characterise in vivo joint RoM used during walking, via scientific rotoscoping and compare the in vivo and ex vivo data. In summary, we provide (1) a new method for joint RoM data experiments and (2) a detailed analysis of both in vivo and ex vivo data of salamander hindlimbs, which can be used for comparative studies.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Paleontology
Dewey Decimal Classification:560 Fossils & prehistoric life
Scopus Subject Areas:Health Sciences > Anatomy
Life Sciences > Ecology, Evolution, Behavior and Systematics
Health Sciences > Histology
Life Sciences > Molecular Biology
Life Sciences > Developmental Biology
Life Sciences > Cell Biology
Uncontrolled Keywords:Cell Biology, Developmental Biology, Molecular Biology, Ecology, Evolution, Behavior and Systematics, Histology, Anatomy
Language:English
Date:1 October 2022
Deposited On:20 Sep 2022 15:03
Last Modified:27 Jun 2024 01:39
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:0021-8782
OA Status:Green
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1111/joa.13738
  • Content: Published Version
  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)