简介：Inthe2013releaseoftheU.S.NationalPhysicalEducationStandardstheterm'physicallyliterate'replaced'physicallyeducated'.Unfortunately,mostdiscoursewithintheprofessionaboutthetermphysicallyliterateoccurredprimarilyafteritsadoption.Whileweagreewiththespiritandintentoftheterm,wefeelitisessentialtodiscussnotonlywhathasbeenpotentiallygainedbutalsolost.Inourpaper,weillustratethesimilarityofthetermsphysicallyeducatedandphysicallyliterateandessentially,fromadefinitionalperspective,findlittledifferencedbutarethesetermsinterchangeable?Weprovideacriticalreviewofthestandardsandconcludethatthechangetophysicalliteracyhasproducedashiftawayfrompsychomotoroutcomestocognitiveoutcomes.Ourconcernsaboutthisaremany,butmostimportantlytheyareabouttheneedtoemphasizethe'physical'inphysicaleducation(PE).ItisourbeliefthatthekeytoelevatingtheprofessionandmaintainingandincreasingsupportforPEisinitsabilitytopromoteandprovidephysicalactivity.Withoutphysicalactivityandphysicalfitnessasmainoutcomes,PEincreasesitsvulnerabilitytoextinctionasastandardpartoftheU.S.K-12educationcurriculum.

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简介：Transformationacousticsareconcentratedforthepurposeofdesigningnovelacousticdevicestotailoracousticwavestoachievedesirablecharacteristics.However,thesedevicesrequirefluidorfluid-likematerialswithananisotropicdensitythatgenerallydoesnotexistinnature.Therefore,weintroducepentamodemetamaterialsintoanalternatingmultilayerisotropicmediummodeltobuildfluid-likemetamaterialswithananisotropicdensity.A2Dacousticbendingbasedontransformationacousticsisestablishedandinvestigatedtoverifyourmethod.Thisideaprovidesamethodtodesignbroadbandandphysicallyrealizableacousticmetamaterialswithananisotropicdensityandismeaningfulforthedesignofacousticmetamaterials.

简介：<正>Weallknowbeingphysicallyactiveisgoodforyou.Butdoweknowhowgood?Peoplecanliveupto3yearslonger,evenwithaslittleas15minofphysicalactivityaday,accordingtolastOctober’sreportbyWenandhiscolleaguesattheChinaMedicalUniversityinTaiwan,China.Manyresearchersinthefieldofsportandhealthsciencesknowbeingphysicallyactivecanbringmanybenefitstoone’slife.Butthismessagehassometimesbeendisseminatedusinganegativetone.Somuchso,BortzofCalifornia,USA,has

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简介：Background:Animpactofregularphysicalactivity(RPA)ontheabdominalmusclesmaybesignificantwhencomparingvarioussymptomaticgroups.However,thereislackcomprehensiveinformationinthisfield.Theobjectiveofthisstudywastoassessthelateralabdominalwallatrestandduringabdominaldrawing-inmanoeuvreinadolescentphysicallyactivegirlsindifferentbodypositions.Methods:Onehundredandforty-fourfemalestudents,13–17yearsofage,participatedinthestudy.Participantsweredividedinto2groupsbasedonaphysicalactivity(PA)statement.Measurementsofthethicknessoftheabdominalmusclesatrestandduringabdominaldrawing-inmanoeuvreweremadeinthesupineandstandingpositionsbyultrasoundimaging.Results:Comparedtothecontrolgroup,activitiesoftheobliquusinternusandtransversusabdominismuscleswerehigherintheregularPAgroupby8.9%(95%CI:3.1–14.7)and36%(95%CI:19.1–47.5),respectively.IntheRPAgroup,thetransversusabdominispreferentialactivationratiowasgreaterby0.03(95%CI:0.01–0.04),andthecontractionratiowasgreaterbyameanvalueof0.35(95%CI:0.18–0.46).Conclusion:RPAdoesnothaveanyeffectontherestingthicknessoftheabdominalmusclesinthesupineandstandingpositions.GirlsperformingRPAhaveagreaterabilitytoperformanindependentactivationandgreatercontractionsofthetransversusabdominis.

简介：<正>Theauthorregrets〈Thecorrectedtitleshouldbe"Peoplecanlivelongerbyhavingmorephysicalactivity"〉.