Show simple item record

Postcranial adaptations for leaping in primates

dc.contributor.author Connour, JR
dc.contributor.author Glander, K
dc.contributor.author Vincent, F
dc.date.accessioned 2013-02-26T17:09:27Z
dc.date.accessioned 2013-02-26T17:40:38Z
dc.date.accessioned 2013-03-07T08:40:35Z
dc.date.issued 2000-05-01
dc.identifier.issn 0952-8369
dc.identifier.uri https://hdl.handle.net/10161/6348
dc.description.abstract Leaping primates are specialized for hindlimb-propelled locomotion within arboreal habitats. As a group, they include members of Galagonidae, Lemuriformes and Tarsiidae. Postcranial characters analysed here include humeral and femoral diaphyseal rigidity, articular surface areas and lengths. Data for leaper taxa are compared with corresponding data for less specialized small primates. The more generalized comparative primates include both closely related prosimians and distantly related platyrrhines (New World monkeys). In addition, the leapers are subdivided for further analysis according to body size and taxonomic association. Questions addressed concern the identification of functionally and/or phylogenetically linked traits in leaper postcrania. Results indicate that leapers as a group have relatively higher femoral diaphyseal rigidity and longer femora than do more generalized primates. These traits are also present in Pithecia pithecia, a platyrrhine leaper included for comparison. These enhanced properties probably function in resisting large hindlimb forces incurred during leaping, and in producing longer, more efficient leaps. Most of the large-bodied lemuriform leapers are further distinguished in having relatively bigger femoral heads and reduced humeral rigidity. The small-bodied leapers, galagonids and tarsiids, do not differ in either femoral head surface area or in any of the humeral properties from more generalized primates. Pithecia has a large femoral head like lemuriforms, but it is not reduced in humeral rigidity. Aspects of hip joint structure and mobility may be related to femoral head size in lemuriforms and Pithecia. Explanations regarding reduced lemuriform humeral rigidity are also explored. Differences between lemuriform primates are also present, most notably in aspects of the distal humerus. Indrids are characterized by relatively reduced trochleae, while many lemurids have relatively small capitula. These features are interpreted with regard to frequencies of suspensory behaviour and quadrupedalism.
dc.publisher Wiley
dc.relation.ispartof Journal of Zoology
dc.relation.isversionof 10.1017/S0952836900005100
dc.relation.replaces http://hdl.handle.net/10161/6223
dc.relation.replaces 10161/6223
dc.relation.replaces http://hdl.handle.net/10161/6226
dc.relation.replaces 10161/6226
dc.title Postcranial adaptations for leaping in primates
dc.type Journal article
duke.contributor.id Glander, K|0114425
pubs.begin-page 79
pubs.end-page 103
pubs.issue 1
pubs.organisational-group Duke
pubs.organisational-group Evolutionary Anthropology
pubs.organisational-group Trinity College of Arts & Sciences
pubs.publication-status Published
pubs.volume 251
duke.contributor.orcid Glander, K|0000-0001-9563-4660


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record