Lacrosse ball | Lacrosse ball
A lacrosse ball is the solid rubber ball that is used, with a lacrosse stick, to play the sport of lacrosse. It is typically white for men's lacrosse, ...LacrosseballFromWikipedia,thefreeencyclopediaJumptonavigationJumptosearchBallusedforlacrosseAlacrosseballAlacrosseballisthesolidrubberballthatisused,withalacrossestick,toplaythesportoflacrosse.Itistypicallywhiteformen'slacrosse,oryellowforwomen'sLacrosse;butisalsoproducedinawidevarietyofcolours.TheoldNCAAspecificationsare:Mass140g–147gDiameter62.7 mm–64.7 mmReboundFrom1,800height1,092–1292 mm(70%reboundfromfallingpoint)Rubbercontent65%Accordingtothe2015and2016Men'sLacrosseRulesandInterpretations:"Theballshallbewhite,yellow,orangeorlimegreensmoothorslightlytexturedsolidrubber.TheballmustmeetthecurrentNOCSAElacrosseballstandard."Later,infurtherdefiningtherequiredspecifications,thedocumentstates:"Themeasurementsfortheballshallincludethefollowing:Theballshallbeofwhite,yellow,ororangesolidrubber.Theballmaymeasurebetween73/4and8inchesincircumference.Theballmayweighbetween5and51/4ouncesinweight."[1]Beginningwiththe2014season,allthreegoverningbodiesforlacrosseintheUnitedStates(USLacrosse,NFHS,NCAA)havemandatedthatonlyballsmeetingtheNOCSAEballstandardmaybeusedforcompetition.Ballsmustbeemblazonedwiththewords"MeetsNOCSAEStandard"inordertobedeemedlegalforplaybygameofficials.StartingbyJune2016,alllacrosseballshavehadtomeetthenewNOCSAEStandard.[2]Manufacturers[edit]Someofthemanufacturers[citationneeded]oflacrosseballsincludeWarriorSports,STX,Brine,andGuardianInnovations.In2016,GuardianInnovationsdevelopedanewlacrosseball,calledpearl,madeentirelyofpolyurethane.PEARLlacrosseballsaretheofficialballoftheUnitedStatesmen'snationallacrosseteamandUSLacrosse,thenationalgoverningbody.[citationneeded]BrineistheexclusivesupplieroflacrosseballstoMajorLeagueLacrosse.InCanadianboxlacrosseallballsmustbeCanadianLacrosseAssociation(CLA)approved;themainbrandsusedareGaitandSignature.WolfAthleticsistheofficialballsupplierofthePremierLacrosseLeague.[
常見運動問答
Water Polo BallLacrosse StickMajor League Lacrosselacrosse ball中文Tennis BallBaseball BallLacrosse League