The effects of artificial surface temperature on mechanical properties and player kinematics during landing and acceleration

在线阅读 下载PDF 导出详情
摘要 Background:Artificialturfisconsideredafeasibleglobalalternativetonaturalturfbymanysportsgoverningbodies.Consequently,itsabilitytoprovideasafeandconsistentplayingsurfaceregardlessofclimatebecomesessential.Theaimsofthisstudyweretodeterminetheeffectsofartificialsurfacetemperatureon:(1)mechanicalpropertiesoftheturfand(2)thekinematicsofaturf-sportrelatedmovement.Methods:Twoidenticalartificialturfpitchesweretested:onewithacoldsurfacetemperature(1.8°C–2.4°C)andonewithawarmsurfacetemperature(14.5°C–15.2°C).Mechanicaltestingwasperformedtomeasurethesurfaceproperties.Fouramateursoccerplayersperformedahurdlejumptosprintaccelerationmovement,withdata(contacttime,steplengthandhip,kneeandanklekinematics)collectedusingCODASport(200Hz).Results:Thetemperaturedifferencehadasignificantinfluenceonthemechanicalpropertiesoftheartificialturf,includingforceabsorption,energyrestitution,rotationalresistance,andtheheightwheretheheadinjurycriterionwasmet.Bothsteplength(p=0.008)andcontacttime(p=0.002)oftheinitialstepafterthelandingweresignificantlylongeronthewarmsurface.Inaddition,significantrangeofmotionandjointangularvelocitydifferenceswerefound.Conclusion:Thesefindingshighlightdifferentdemandsplacedonplayersduetothesurfacetemperatureandsuggestaneedforcoaches,practitioners,andsportsgoverningbodiestobeawareofthesedifferences.
机构地区 不详
出版日期 2016年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)
  • 相关文献