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dc.contributor.authorLee, D. V.
dc.contributor.authorBertram, J. E. A.
dc.contributor.authorAnttonen, J. T.
dc.contributor.authorRos, Ivo
dc.contributor.authorHarris, S. L.
dc.contributor.authorBiewener, Andrew Austin
dc.date.accessioned2017-06-23T16:44:12Z
dc.date.issued2011
dc.identifier.citationLee, D. V., J. E. A. Bertram, J. T. Anttonen, I. G. Ros, S. L. Harris, and A. A. Biewener. 2011. “A Collisional Perspective on Quadrupedal Gait Dynamics.” Journal of The Royal Society Interface 8 (63) (April 6): 1480–1486. doi:10.1098/rsif.2011.0019.en_US
dc.identifier.issn1742-5689en_US
dc.identifier.urihttp://nrs.harvard.edu/urn-3:HUL.InstRepos:33077822
dc.description.abstractThe analysis of terrestrial locomotion over the past half century has focused largely on strategies of mechanical energy recovery used during walking and running. In contrast, we describe the underlying mechanics of legged locomotion as a collision-like interaction that redirects the centre of mass (CoM). We introduce the collision angle, determined by the angle between the CoM force and velocity vectors, and show by computing the collision fraction, a ratio of actual to potential collision, that the quadrupedal walk and gallop employ collision-reduction strategies while the trot permits greater collisions. We provide the first experimental evidence that a collision-based approach can differentiate quadrupedal gaits and quantify interspecific differences. Furthermore, we show that this approach explains the physical basis of a commonly used locomotion metric, the mechanical cost of transport. Collision angle and collision fraction provide a unifying analysis of legged locomotion which can be applied broadly across animal size, leg number and gait.en_US
dc.description.sponsorshipOrganismic and Evolutionary Biologyen_US
dc.language.isoen_USen_US
dc.publisherThe Royal Societyen_US
dc.relation.isversionofdoi:10.1098/rsif.2011.0019en_US
dc.relation.hasversionhttp://www.ncbi.nlm.nih.gov/pubmed/21471189en_US
dash.licenseMETA_ONLY
dc.subjectbiomechanicsen_US
dc.subjectlocomotionen_US
dc.subjectquadrupeden_US
dc.subjectwalken_US
dc.subjecttroten_US
dc.subjectgallopen_US
dc.titleA collisional perspective on quadrupedal gait dynamicsen_US
dc.typeJournal Articleen_US
dc.description.versionVersion of Recorden_US
dc.relation.journalJournal of The Royal Society Interfaceen_US
dash.depositing.authorBiewener, Andrew Austin
dash.embargo.until10000-01-01
dc.identifier.doi10.1098/rsif.2011.0019*
workflow.legacycommentsFAR 2012 Biewener emailed 2016-05-18 MM Biewener emailed 2017-03-26 MM meta.darken_US
dash.contributor.affiliatedRos, Ivo
dash.contributor.affiliatedBiewener, Andrew


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