简介:1.IntroductionDailyphysicalactivity(PA)participationiscrucialtothehealthandwell-beingofyoungchildren.Alongwithtotalphysicalactivity(TPA;all-intensity),moderate-to-vigorousphysicalactivity(MVPA),orenergeticplay,isassociatedwithgreaterhealthbenefits,particularlyforpreschoolers(3-4years),includingbutnotlimitedtoimprovedboneandskeletalpropertiesandcognitiveandpsychosocialhealth.1Centeredonthis,bothCanadaandAustraliahaverecentlyestablished24-HourMovementGuidelinesfortheEarlyYears,recommendingthat.