Morphological correlates of distal fibular morphology withlocomotion in great apes, humans, and Australopithecus afarensis

[Objectives]: Recent studies highlighted the importance of the fibula to further ourunderstanding of locomotor adaptations in fossil hominins. In this study, we presenta three-dimensional geometric morphometric (3D-GM) investigation of the distal fibula in extant hominids andAustralopithecus afarens...

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Autores: Marchi, Damiano, Rimoldi, Andreas, García-Martínez, Daniel, Bastir, Markus
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2022
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/268231
Acceso en línea:http://hdl.handle.net/10261/268231
Access Level:acceso abierto
Palabra clave:3D geometric morphometrics
Arboreal locomotion
Bipedal locomotion
Fibula
Functional morphology
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spelling Morphological correlates of distal fibular morphology withlocomotion in great apes, humans, and Australopithecus afarensisMarchi, DamianoRimoldi, AndreasGarcía-Martínez, DanielBastir, Markus3D geometric morphometricsArboreal locomotionBipedal locomotionFibulaFunctional morphology[Objectives]: Recent studies highlighted the importance of the fibula to further ourunderstanding of locomotor adaptations in fossil hominins. In this study, we presenta three-dimensional geometric morphometric (3D-GM) investigation of the distal fibula in extant hominids andAustralopithecus afarensiswith the aim of pointing outmorphological correlations to arboreal behavior.[Methods]: Three-dimensional surface meshes of the distal fibula were obtained usingcomputer tomography for 40 extant hominid specimens and laser scanner for fiveA. afarensis specimens. Distal fibula morphology was quantified positioning 11 fixed land marks, 40 curve semilandmarks, and 20 surface landmarks on each specimen. Ageneralized Procrustes analysis (GPA) was carried out on all landmark coordinates followed by Procrustes ANOVA. Principal component analysis (PCA) was performedon the GPA-aligned shape coordinates. Kruskal-Wallis tests and Mann–Whitney testwere performed on scores along PCs.[Results]:Great apes are characterized by a shorter subcutaneous triangular surface(STS), more downward facing fibulotalar articular facets, more anteriorly facing lateralmalleolus and wider/deeper malleolar fossa than humans. Within great apes, orangutans are characterized by more medially facing fibulotalar articular facets.Australopithecus afarensisshows a unique distal fibular morphology with several traitsthat are generally associated more to arboreality and less to bipedalism such as ashort STS, a more anteriorly facing, laterally pointing malleolus and deeper and largermalleolar fossa.[Conclusions]: The distal fibula morphology is indicative of locomotor patterns within extant hominids. The 3D-GM method presented here can be successfully used to further our understanding of arboreal adaptations in fossil hominins.D.G.-M. and M.B. are funded by project CGL2015-63648-P (MINECO; Spain) and by projectPID2020-115854GB-I00,MCIN/AEI/10.13039/501100011033.Open Access Funding provided by Universita degli Studi di Pisa within the CRUI-CARE Agreement.Peer reviewedJohn Wiley & SonsMinisterio de Economía y Competitividad (España)Università di PisaConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202220222022info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/268231reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/MINECO//CGL2015-63648-Phttps://onlinelibrary.wiley.com/doi/full/10.1002/ajpa.24507Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/2682312026-05-22T06:33:51Z
dc.title.none.fl_str_mv Morphological correlates of distal fibular morphology withlocomotion in great apes, humans, and Australopithecus afarensis
title Morphological correlates of distal fibular morphology withlocomotion in great apes, humans, and Australopithecus afarensis
spellingShingle Morphological correlates of distal fibular morphology withlocomotion in great apes, humans, and Australopithecus afarensis
Marchi, Damiano
3D geometric morphometrics
Arboreal locomotion
Bipedal locomotion
Fibula
Functional morphology
title_short Morphological correlates of distal fibular morphology withlocomotion in great apes, humans, and Australopithecus afarensis
title_full Morphological correlates of distal fibular morphology withlocomotion in great apes, humans, and Australopithecus afarensis
title_fullStr Morphological correlates of distal fibular morphology withlocomotion in great apes, humans, and Australopithecus afarensis
title_full_unstemmed Morphological correlates of distal fibular morphology withlocomotion in great apes, humans, and Australopithecus afarensis
title_sort Morphological correlates of distal fibular morphology withlocomotion in great apes, humans, and Australopithecus afarensis
dc.creator.none.fl_str_mv Marchi, Damiano
Rimoldi, Andreas
García-Martínez, Daniel
Bastir, Markus
author Marchi, Damiano
author_facet Marchi, Damiano
Rimoldi, Andreas
García-Martínez, Daniel
Bastir, Markus
author_role author
author2 Rimoldi, Andreas
García-Martínez, Daniel
Bastir, Markus
author2_role author
author
author
dc.contributor.none.fl_str_mv Ministerio de Economía y Competitividad (España)
Università di Pisa
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv 3D geometric morphometrics
Arboreal locomotion
Bipedal locomotion
Fibula
Functional morphology
topic 3D geometric morphometrics
Arboreal locomotion
Bipedal locomotion
Fibula
Functional morphology
description [Objectives]: Recent studies highlighted the importance of the fibula to further ourunderstanding of locomotor adaptations in fossil hominins. In this study, we presenta three-dimensional geometric morphometric (3D-GM) investigation of the distal fibula in extant hominids andAustralopithecus afarensiswith the aim of pointing outmorphological correlations to arboreal behavior.
publishDate 2022
dc.date.none.fl_str_mv 2022
2022
2022
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/268231
url http://hdl.handle.net/10261/268231
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/MINECO//CGL2015-63648-P
https://onlinelibrary.wiley.com/doi/full/10.1002/ajpa.24507
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv John Wiley & Sons
publisher.none.fl_str_mv John Wiley & Sons
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812429

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