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dc.contributor.authorMeyers, Rob
dc.contributor.authorOliver, Jon
dc.contributor.authorHughes, Michael G.
dc.contributor.authorCronin, John B.
dc.contributor.authorLloyd, Rhodri S.
dc.date.accessioned2016-10-20T08:32:42Z
dc.date.available2016-10-20T08:32:42Z
dc.date.issued2015-03
dc.identifier.citationMeyers, R.W., Oliver, J.L., Hughes, M.G., Cronin, J.B. and Lloyd, R.S. (2015) 'Maximal sprint speed in boys of increasing maturity', Pediatric Exercise Science, 27(1).en_US
dc.identifier.urihttp://hdl.handle.net/10369/8120
dc.descriptionThis article was published in Pediatric Exercise Science in March 2015, available at http://dx.doi.org/10.1123/pes.2013-0096en_US
dc.description.abstractThe purpose of this study was to examine the natural development of the mechanical features of sprint performance in relation to maturation within a large cohort of boys. Three hundred and thirty-six boys (11–15 years) were analyzed for sprint performance and maturation. Maximal speed, stride length (SL), stride frequency (SF), flight time (FT) and contact time (CT) were assessed during a 30m sprint. Five maturation groups (G1–5) were established based on age from peak height velocity (PHV) where G1=>2.5years pre-PHV, G2 = 2.49–1.5years pre-PHV, G3 = 1.49–0.5years pre-PHV, G4 = 0.49years pre- to 0.5years post-PHV and G5 = 0.51–1.5years post-PHV. There was no difference in maximal speed between G1, G2 and G3 but those in G4 and G5 were significantly faster (p < .05) than G1–3. Significant increases (p < .05) in SL were observed between groups with advancing maturation, except G4 and G5 (p > .05). SF decreased while CT increased (both p < .05) between G1, G2 and G3, but no further significant changes (p > .05) were observed for either variable between G3, G4 and G5. While G1–3 increased their SL, concomitant decreases in SF and increases in CT prevented them from improving maximal speed. Maximal sprint speed appears to develop around and post-PHV as SF and CT begin to stabilize, with increases in maximal sprint speed in maturing boys being underpinned by increasing SL.en_US
dc.language.isoenen_US
dc.publisherHuman Kineticsen_US
dc.relation.ispartofseriesPediatric Exercise Science;
dc.subjectboysen_US
dc.subjectspeeden_US
dc.subjectstride lengthen_US
dc.subjectstride frequencyen_US
dc.subjectcontact timeen_US
dc.subjectmaturationen_US
dc.titleMaximal sprint speed in boys of increasing maturityen_US
dc.typeArticleen_US
dc.identifier.doihttp://dx.doi.org/10.1123/pes.2013-0096
dcterms.dateAccepted2014-03-25
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.startdate2016-10-20
rioxxterms.funder.project37baf166-7129-4cd4-b6a1-507454d1372een_US


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