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dc.contributor.authorIrwin, Gareth
dc.contributor.authorExell, Timothy
dc.contributor.authorManning, Michelle
dc.contributor.authorKerwin, David G.
dc.date.accessioned2017-06-28T12:14:04Z
dc.date.available2017-06-28T12:14:04Z
dc.date.issued2016-05-10
dc.identifier.citationIrwin, G., Exell, T.A., Manning, M.L. and Kerwin, D.G., 2017. Functional phases and angular momentum characteristics of Tkatchev and Kovacs. Journal of sports sciences, 35(6), pp.610-616.en_US
dc.identifier.issn0264-0414
dc.identifier.issn1466-447X (ESSN)
dc.identifier.urihttp://hdl.handle.net/10369/8486
dc.identifier.urihttp://shapeamerica.tandfonline.com/doi/abs/10.1080/02640414.2016.1181273
dc.descriptionThis article was published in Journal of Sports Sciences on 10 May 2016 (online), DOI linking is not currently available.en_US
dc.description.abstractUnderstanding the technical requirements and underlying biomechanics of complex release and re-grasp skills on high bar allows coaches and scientists to develop safe and effective training programmes. The aim of this study was to examine the differences in the functional phases between the Tkatchev and Kovacs skills and to explain how the angular momentum demands are addressed. Images of 18 gymnasts performing 10 Tkatchevs and 8 Kovacs at the Olympic Games were recorded (50 Hz), digitised and reconstructed (3D Direct Linear Transformation). Orientation of the functional phase action, defined by the rapid flexion to extension of the shoulders and extension to flexion of the hips as the performer passed through the lower vertical, along with shoulder and hip angular kinematics, angular momentum and key release parameters (body angle, mass centre velocity and angular momentum about the mass centre and bar) were compared between skills. Expected differences in the release parameters of angle, angular momentum and velocity were observed and the specific mechanical requirement of each skill were highlighted. Whilst there were no differences in joint kinematics, hip and shoulder functional phase were significantly earlier in the circle for the Tkatchev. These findings highlight the importance of the orientation of the functional phase in the preceding giant swing and provide coaches with further understanding of the critical timing in this key phase.en_US
dc.language.isoenen_US
dc.publisherTaylor & Francisen_US
dc.relation.ispartofseriesJournal of Sports Sciences;
dc.subjectBiomechanicsen_US
dc.subjectMen's Gymnasticsen_US
dc.subjectHigh Baren_US
dc.subjectCoachingen_US
dc.titleFunctional phases and angular momentum characteristics of Tkatchev and Kovacsen_US
dc.typeArticleen_US
dcterms.dateAccepted2016-03-01
rioxxterms.funderCardiff Metropolitan Universityen_US
rioxxterms.identifier.projectCardiff Metropolian (Internal)en_US
rioxxterms.versionAMen_US
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserveden_US
rioxxterms.licenseref.startdate2017-06-28
rioxxterms.freetoread.startdate2017-11-10
rioxxterms.funder.project37baf166-7129-4cd4-b6a1-507454d1372een_US


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