Ma'anar ƙamus na kalmar "ilimin jiki" yana nufin horon ilimi wanda ke mai da hankali kan haɓaka motsa jiki, dacewa, da haɓaka ƙwarewar motsa jiki da daidaitawa a cikin daidaikun mutane. An fi gajarta shi da "PE." ko "PE". Ana aiwatar da shirye-shiryen ilimin motsa jiki a makarantu da cibiyoyin ilimi kuma suna da nufin samarwa ɗalibai dama don shiga cikin nau'ikan motsa jiki da wasanni daban-daban.A cikin azuzuwan ilimin motsa jiki, ɗalibai suna koyon mahimmancin motsa jiki na yau da kullun. , ingantaccen abinci mai gina jiki, da zaɓin salon rayuwa mai kyau. Suna shiga cikin ayyuka kamar wasanni, wasanni, gymnastics, raye-raye, da nishaɗin waje, tare da mai da hankali kan haɓaka motsa jiki, haɓaka ƙwarewar motsa jiki, da haɓaka aikin haɗin gwiwa da wasan motsa jiki.Manufofin farko na ilimin motsa jiki sun haɗa da. inganta lafiyar jiki da walwala, haɓaka matakan motsa jiki na jiki, haɓaka ƙwarewar motsa jiki da daidaitawa, dasa jin daɗin rayuwa na tsawon rai don motsa jiki, da haɓaka halaye masu kyau ga lafiyar jiki da rayuwa lafiya.Gaba ɗaya, ilimin motsa jiki yana wasa. muhimmiyar rawa a cikin cikakkiyar ci gaban daidaikun mutane ta hanyar haɓaka lafiyar jiki, dasa horo, koyar da mahimman dabarun rayuwa, da ƙarfafa rayuwa mai aiki da lafiya.