学科分类
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2 个结果
  • 简介: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.

  • 标签: Artificial TURF BIOMECHANICS RUGBY SOCCER Temperature