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dc.contributor.authorHirasaki, Eishi
dc.contributor.authorOishi, Motoharu
dc.contributor.alternative平﨑, 鋭矢
dc.date.accessioned2018-11-21T05:40:43Z-
dc.date.available2018-11-21T05:40:43Z-
dc.date.issued2018-12
dc.identifier.issn0002-9483
dc.identifier.urihttp://hdl.handle.net/2433/235247-
dc.description.abstract[Objectives]The dorsal interossei of the human foot are arranged so that they abduct the digits around the second digit, while those of non‐hominoid anthropoid primates are mostly arranged around the third or fourth digit. This is thought to relate to the medial shift in the functional axis, an essential modification in the evolution of the human foot. However, studies of the arrangement of interosseous muscles are relatively limited and there is some debate about their arrangement in great apes. In particular, some researchers claim that the interossei of chimpanzees are arranged around the second digit, whereas others claim that their foot axis lies on the third digit. [Materials and Methods]We examined the arrangement of the foot interosseous muscles in ten chimpanzees, one bonobo, and three gorillas. [Results]The interossei were arranged around the second digit in two chimpanzees, one bonobo, and one gorilla, whereas the third digit was the axis in the other specimens. [Discussions]The variation observed suggests that the arrangement of the interosseous muscles of the great apes is in a transitional condition from monkey‐type to human‐type. Considering that osteological and foot pressure research supports the idea that the foot axis is on the second digit in great apes, modification in the interosseous muscles appears to lag behind modification in the metatarsals and foot motion.
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.publisherWiley
dc.rightsThis is the accepted version of the following article: [Eishi Hirasaki, Motoharu Oishi. Arrangement of foot interosseous muscles in African great apes. American Journal of Physical Anthropology, 167(4) 924-929], which has been published in final form at https://doi.org/10.1002/ajpa.23685. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
dc.rightsThe full-text file will be made open to the public on 17 November 2019 in accordance with publisher's 'Terms and Conditions for Self-Archiving'
dc.rightsThis is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
dc.subjectbipedal locomotion
dc.subjectdorsal interossei
dc.subjectunctional foot axis
dc.subjectmedial shift
dc.titleArrangement of foot interosseous muscles in African great apes
dc.type.niitypeJournal Article
dc.identifier.jtitleAmerican Journal of Physical Anthropology
dc.identifier.volume167
dc.identifier.issue4
dc.identifier.spage924
dc.identifier.epage929
dc.relation.doi10.1002/ajpa.23685
dc.textversionauthor
dc.addressSection of Evolutionary Morphology, Primate Research Institute, Kyoto University
dc.addressLaboratory of Anatomy 1, Department of Veterinary Medicine, School of Veterinary Medicine, Azabu University
dc.identifier.pmid30302746
dc.identifier.kaken15H04428
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