Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/21633
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dc.contributor.authorLockier, Roberten
dc.contributor.authorJalilvand, Farzaden
dc.contributor.authorCallaghan, Samuelen
dc.contributor.authorJeffriess, Matthewen
dc.contributor.authorMurphy, Aronen
dc.date.accessioned2017-08-05T13:48:00Z
dc.date.issued2015en
dc.identifier.citationJournal of Human Kinetics, 49(1), p. 65-74en
dc.identifier.issn1899-7652en
dc.identifier.issn1640-5544en
dc.identifier.urihttps://hdl.handle.net/1959.11/21633en
dc.description.abstractThis study investigated relationships between 10 m sprint acceleration, step kinematics (step length and frequency, contact and flight time), and leg muscle performance (power, stiffness, strength). Twenty-eight field sport athletes completed 10 m sprints that were timed and filmed. Velocity and step kinematics were measured for the 0-5, 5- 10, and 0-10 m intervals to assess acceleration. Leg power was measured via countermovement jumps (CMJ), a fivebound test (5BT), and the reactive strength index (RSI) defined by 40 cm drop jumps. Leg stiffness was measured by bilateral and unilateral hopping. A three-repetition maximum squat determined strength. Pearson's correlations and stepwise regression (p ≤ 0.05) determined velocity, step kinematics, and leg muscle performance relationships. CMJ height correlated with and predicted velocity in all intervals (r = 0.40-0.54). The 5BT (5-10 and 0-10 m intervals) and RSI (5-10 m interval) also related to velocity (r = 0.37-0.47). Leg stiffness did not correlate with acceleration kinematics. Greater leg strength related to and predicted lower 0-5m flight times (r = -0.46 to -0.51), and a longer 0-10 m step length (r = 0.38). Although results supported research emphasizing the value of leg power and strength for acceleration, the correlations and predictive relationships (r² = 0.14-0.29) tended to be low, which highlights the complex interaction between sprint technique and leg muscle performance. Nonetheless, given the established relationships between speed, leg power and strength, strength and conditioning coaches should ensure these qualities are expressed during acceleration in field sport athletes.en
dc.languageenen
dc.publisherAkademia Wychowania Fizycznego w Katowicach [Academy of Physical Education in Katowice]en
dc.relation.ispartofJournal of Human Kineticsen
dc.titleInteraction Between Leg Muscle Performance and Sprint Acceleration Kinematicsen
dc.typeJournal Articleen
dc.identifier.doi10.1515/hukin-2015-0109en
dcterms.accessRightsGolden
dc.subject.keywordsBiomechanicsen
dc.subject.keywordsExercise Physiologyen
local.contributor.firstnameRoberten
local.contributor.firstnameFarzaden
local.contributor.firstnameSamuelen
local.contributor.firstnameMatthewen
local.contributor.firstnameAronen
local.subject.for2008110601 Biomechanicsen
local.subject.for2008110602 Exercise Physiologyen
local.subject.seo2008929999 Health not elsewhere classifieden
local.profile.schoolOffice of Faculty of Science, Ag, Business and Lawen
local.profile.emailamurph31@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20170720-102631en
local.publisher.placePolanden
local.format.startpage65en
local.format.endpage74en
local.url.openhttp://www.johk.pl/files/10078-49-2015-v49-2015-07.pdfen
local.peerreviewedYesen
local.identifier.volume49en
local.identifier.issue1en
local.access.fulltextYesen
local.contributor.lastnameLockieren
local.contributor.lastnameJalilvanden
local.contributor.lastnameCallaghanen
local.contributor.lastnameJeffriessen
local.contributor.lastnameMurphyen
dc.identifier.staffune-id:amurph31en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:21824en
local.identifier.handlehttps://hdl.handle.net/1959.11/21633en
dc.identifier.academiclevelAcademicen
local.title.maintitleInteraction Between Leg Muscle Performance and Sprint Acceleration Kinematicsen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.description.statisticsepubsVisitors: 18<br />Views: 23<br />Downloads: 0en
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