NDLI: A Comparison of Qualitative and Quantitative Methodological Approaches to Characterizing the Dorsal Side of the Scapula in Hominoidea and Its Relationship to Locomotion

Content Provider	Springer Nature Link
Author	Bello Hellegouarch, Gaëlle Potau, Josep Maria Arias Martorell, Júlia Pastor, Juan Francisco Pérez Pérez, Alejandro
Copyright Year	2013
Abstract	Hominoidea have adapted to various forms of locomotion, each of which has specific requirements that are reflected in the shape of the scapula. We compared several qualitative and quantitative methods for characterizing the dorsal side of the scapula to detect morphological differences that reflect the adaptations of the scapula to locomotor behaviors. Our sample included 55 specimens of Hominoidea, representing five genera, including Homo, focusing specifically on the relative sizes of the scapular supraspinous and infranspinous fossae. In addition, we weighed the supraspinatus and infraspinatus muscles of 23 of the specimens to examine the feasibility of extrapolating muscle characteristics from osteological data. Our findings confirmed that the five genera exhibit significant differences in the relative size of the supraspinous and the infraspinous fossae that are related to their forms of locomotion. The supraspinous fossa was relatively small in Homo and Pongo but large in Pan, Gorilla, and Hylobates. The analysis of muscle weights showed that a substantial amount of information about soft tissues is lost in osteological analyses, leading us to recommend caution when drawing conclusions regarding forms of locomotion based only on osteological analyses.
Starting Page	315
Ending Page	336
Page Count	22
File Format	PDF
ISSN	01640291
Journal	International Journal of Primatology
Volume Number	34
Issue Number	2
e-ISSN	15738604
Language	English
Publisher	Springer US
Publisher Date	2013-03-02
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	2D geometric morphometrics 3D areas Hominoidea Infraspinatus Scapula Supraspinatus Evolutionary Biology Human Genetics Anthropology Zoology Animal Genetics and Genomics
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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