Designation:F1163−15AnAmericanNationalStandardStandardSpecificationforProtectiveHeadgearUsedinHorseSportsandHorsebackRiding1ThisstandardisissuedunderthefixeddesignationF1163;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONHorsesportsandhorsebackridingaresportswithintrinsichazards.Itisrecognizedthatitisnotpossibletowriteaprotectiveheadgearperformancestandardthatwillresultinheadgearthatcanprotectagainstinjuryordeathinallaccidents.Itisalsorecognizedthatseriousinjuryordeathcanresultfrombothlow-energyandhigh-energyimpacts,evenwhenprotectiveheadgearisworn.Itisfurtherrecognizedthatprotectiveheadgearmustbeacceptabletotheuserandtotheregulatingassociationsoragenciesrequiringitsuse.Acknowledgingtheselimitations,thisspecificationwasdevelopedusingresourcesinmedical,scientific,mechanicalengineering,humanfactors,andbiomechanicalfields.Thisspecificationincorporatesmanyaspectsofotherrecognizedheadgearperformancestandards.Thisspecificationdrawsfromworkdonebyotherswhereappropriateforthisspecification.Thesestandardsmaybereferenced.Itshouldbenotedthatthisspecificationspecifiesalaboratorytestofcompletedheadgeartomeasureitsabilitytoreduceheadaccelerationwhenimpactingvariousshapedobjects.Itisknownthatheadgearthatperformswellunderthisspecificationwillmitigateheadinjuryinactualusewithinitsdesignlimits.1.Scope1.1Thisspecificationcoversminimumperformancecriteriaanddescribestestmethodsforprotectiveheadgearforuseinhorsesportsandhorsebackriding.1.2Itisnottheintentionofthisspecificationtobarfromconsiderationmaterialsofimprovedqualityorperformancenotknownatthetimeofdevelopmentofthisspecification.1.3AlltestingandrequirementsofthisspecificationshallbeinaccordancewithTestMethodsF1446,exceptwherenotedherein.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Thevaluesstatedi...
