简介：Despitetheacceptanceofphysicalactivity(PA)beingintegraltoayoungperson'shealth,childrenwithdisabilityoftenexhibitlowlevelsofPA.Inyoungpeoplewithcysticfibrosis(CF)theimportanceofexerciseanddailyPAisacknowledgedbycliniciansandtheirsupportteams,however,thereisalackofknowledgerelatedtoitsprescription.CFisarecessivegeneticdisorderaffectingthelung,pancreasandsweatglands.CFisthemostcommonlifeshorteninggeneticdiseaseintheCaucasianpopulationforwhichthereisnocure.IntheUK,CFaffectsover9000people,with4000under16yearsofage.OnlyabouthalfoftheCFpopulationcanexpecttolivebeyond40yearsofage.Besidesdrugtherapies,rehabilitativeexerciseprogrammesformanimportantcomponentoftreatmentandlongtermexerciseprogrammesareconsideredpositivetreatmentstrategies,butalllackanydetailedprescriptiveinformation.SeveralreviewsandeditorialshavehighlightedthelackofevidencebasedresearchinPAandexercisetraininginyoungpeoplewithCF;butadvocateagreaterneedforunderstandingtheroleofexerciseintherapeuticinterventions.ThepurposeofthisreviewistoupdatethereaderonthecurrentrecommendationsandevidenceinPAandexercisetrainingforyoungpeoplewithCF.ThesedevelopmentshaveextendedourunderstandingofPAandexercisetraininginchildrenandadolescentswithCF,anditsimplementationinthemanagementofthischronicdisease.

简介：Withanincreaseinrural-to-urbanmigration,arapidlyagingpopulation,andtherisingriskofdevelopingnoncommunicablediseasesinChina,itisimportanttounderstandtheepidemiologyofphysicalactivity(PA)andhealthinthecontextofdiseasepreventionandpopulationhealth.Despiteitspublichealthimportance,thereisasignificantlackofknowledgeaboutPAinolderChineseadultsthatmayhamperprimarypreventioneffortsofhealthpromotioninanincreasinglyagingpopulation.Tofillthisgap,thisarticlepresentsanarrativereviewofPAintheolderChineseadultpopulationwithaspecialfocusonresidentialsettings(i.e.,urbanandrural).Usingexistingstudies,thereviewexaminesoverallPApatternsandtheircorrelatesanddiscussespublichealthimplicationsandfutureresearch.AlthoughtherearesomepreliminaryindicationsofurbanandruraldifferencesinPAintheagingpopulationinChina,continuedresearcheffortsareneededtofacilitateprimarypreventioneffortsaimedatreducingnoncommunicablediseasesandpromotinganactivelifestyleamongthelargestpopulationofolderpeopleintheworld.

简介：Physicalinactivityhasbeenidentifiedasoneoftheleadingcausesofmanychronicdiseasessuchascardiovasculardisease,type2diabetes,andobesity.Technologysuchasvideogamesplaysacomplicatedroleinphysicalinactivity—muchlikeadouble-edgedsword.Traditionally,videogameshavecontributedtotheepidemicofphysicalinactivityandhavebeen

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简介：1.ThebasicsofmiRNA-mediatedregulationTheplasticityofskeletalmuscleisofutmostimportanceforrespondingtoandcopingwithenvironmentaldemandsthatemergefromchangesinphysicalactivitypatterns,nourishment,hormonalstatus,andhealth.Asiswellknown,asedentarylifestyle,aging,immobilization,andchronicdiseasesareassociatedwithreducedmusclemassandfunction,whileregularexerciseimprovesmusclefunctionandreducestherateofdecrementthroughoutlife.However,wedonothaveacompleteunderstandingofthemolecularfactorscontrollingskeletalmuscleadaptationtoexercisestimuli.RecentlyidentifiedmicroRNAmolecules(miRNAs)haverapidlygained

简介：Background:Physicalactivity(PA)duringpregnancyprovidesphysicalandpsychologicalbenefitsformotherandchild.U.S.guidelinesrecommend≥30minofmoderateexerciseforhealthypregnantwomenmostdaysoftheweek;however,mostwomendonotmeettheserecommendations.Theoryassistsinidentifyingsalientdeterminantsofhealthbehaviortoguidehealthpromotioninterventions;however,theapplicationoftheorytoexaminePAamongpregnantwomenhasnotbeenexaminedcohesivelyamongmultiplelevelsofinfluence(e.g.,intrapersonal,interpersonal,neighborhood/environmental,andorganizational/political).Subsequently,thissystematicreviewaimstoidentifyandevaluatetheuseofhealthbehaviortheoryinstudiesthatexaminePAduringpregnancy.Methods:ArticlespublishedbeforeJuly2014wereobtainedfromPubMedandWebofScience.Inclusioncriteriaappliedwere:(1)empiricallybased;(2)peer-reviewed;(3)measuredfactorsrelatedtoPA;(4)comprisedapregnantsample;and(5)appliedtheory.Fourteenstudieswereincluded.Eachstudy'sapplicationoftheoryandtheoreticalconstructswereevaluated.Results:VarioustheorieswereutilizedtoexplainandpredictPAduringpregnancy;yet,themajorityofthesestudiesonlyfocusedonintrapersonalleveldeterminants.Fivetheoreticalframeworkswereappliedacrossthestudies—allbutoneattheintrapersonallevel.Fewdeterminantsidentifiedwerefromtheinterpersonal,neighborhood/environmental,ororganizational/politicallevels.Conclusion:ThissystematicreviewsynthesizedtheliteratureontheoreticalconstructsrelatedtoPAduringpregnancy.Interpersonal,community,andsocietallevelsremainunderstudied.Futureresearchshouldemploytheory-drivenmulti-leveldeterminantsofPAtoreflecttheinteractingfactorsinfluencingPAduringthiscriticalperiodinthelifecourse.

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简介：Background:TraditionalChinesesportsandphysicalactivities(PAs)havealonghistoryandarepracticedbymillionsofChinese.However,relativelyfewsystematicreviewsofthescientificevidencefortheirhealthbenefits,especiallyforolderChineseadults,havebeenundertaken.Evidenceacquisition:BetweenJanuaryandMarch2016,asystematicsearchwasconductedusingtheCNKIandPubMeddatabasestoidentifystudiespublishedbetween2000and2015.StudieswereselectedforreviewiftheyweredesignedspecificallytoevaluatethehealthbenefitsoftraditionalChinesesportsandPAsinadultsaged50yearsandolderintheMainlandofChina.Thestudiesincludedobservational,uncontrolled,andrandomizedandcontrolleddesigns.PaperspublishedwithoutanEnglishtitleorabstractwereexcluded.Evidencesynthesis:Theinitialsearchidentifiedatotalof229studies.Afterremovingduplicatesandstudiesthatdidnotmeettheinclusion/exclusioncriteria,95studieswereselectedforreview.Specialattentionwasgiventostudiesofthemostcommonlypracticedactivities:TaiJiQuan,Qigong,andYangkoexercises.Apositiveassociationbetweenthesetypesofexerciseandhealthbenefitswasnotedforhealthyolderadultsandthosewithchronicdiseases.Evidenceonothertypesofactivitieswaslessclearduetothelimitednumberofstudiesconducted.Conclusion:ThereispromisingevidencethattraditionalChinesesportsandPAsprovidemanyhealthbenefitsforolderChineseadults.Whileadditionalscientificallyrigorousresearchiswarranted,promotingthesetraditionalandculturally-basedsportsandPAsasformsofbehavioralmedicineinprimaryandsecondarypreventionofdiseasesamongtheagingChinesepopulationwillhelpfulfillanurgentpublichealthneed.

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简介：Background:Studieshaveindicatedthatthereisapositiveandindirectrelationshipbetweenphysicalactivity(PA)andqualityoflife(QoL).Thecurrentstudyexaminedthisrelationshipthroughasocialcognitivemodelwithconsiderationtotheintermediaryeffectsofexerciseself-efficacy,andphysical(PCS,physicalcomponentsummary)andpsychological(MCS,mentalcomponentsummary)health.Additionally,thismodelwaswidenedtoincludeconceptsfromtheecologicaltheory,andanycausalassociationsamongneighborhoodenvironment,PA,andQoL.Methods:Sixhundredandeighty-fourphysicallyactiveadults(39.16±13.52years,mean±SD),livinginAthens,Greece,completedaseriesofquestionnairesmeasuringPA,QoL,exerciseself-efficacy,PCS,MCS,neighborhoodenvironment,andfamilyandfriendsupportforPA.Theexaminedmodelswereanalyzedusingstructuralequationmodeling.Results:Thesocialcognitiveandecologicalmodelsprovedtobeofappropriatefit.Withinthesocialcognitivemodel,PApositivelyaffectedQoLthroughthemediatingeffectsofexerciseself-efficacy,PCS,andMCS.Withregardstotheecologicalmodel,neighborhoodenvironmentpositivelyinfluencedQoLthroughtheintermediaryeffectsoffamilysupportforPA,exerciseself-efficacy,PA,PCS,andMCS.Conclusion:Resultsindicatedthatthemostimportantmediatorsintheexaminedmodelswereexerciseself-efficacyandhealth.Further,findingsdemonstratedtheroleofneighborhoodenvironmentinenhancingPAandQoL.Futurestudiesshouldbecarriedoutapplyinglongitudinaldataforabetterunderstandingoftheseassociationsovertime.

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简介：Background:Neighborhoodbuiltenvironmentmayprofoundlyinfluencechildren’sphysicalactivity(PA)andbodyweight.ThisstudysystematicallyreviewedscientificevidenceregardingtheimpactofbuiltenvironmentonPAandobesityamongchildrenandadolescentsinChina.Methods:AkeywordandreferencesearchwasconductedinActiveLivingResearch,CochraneLibrary,PubMed,andWebofScience.Studiesthatmetallofthefollowingcriteriawereincludedinthereview:(1)studydesigns-experimentalstudies,observationalstudies,andqualitativestudies;(2)studysubjects-Chinesechildrenand/oradolescentsaged≤17years;(3)exposures-neighborhoodbuiltenvironment;(4)outcomes-PAand/orbodyweightstatus;(5)articletype-peer-reviewedpublications;(6)timewindowofsearch-fromtheinceptionofanelectronicbibliographicdatabasetoMay31,2018;(7)country-China;and(8)language-articleswritteninEnglish.Results:Atotalof20studies,including16cross-sectionalstudies,3longitudinalstudies,and1descriptivestudy,metthepredeterminedselectioncriteriaandwereincludedinthereview.Atotalof13studiesadoptedsubjectivebuiltenvironmentmeasuresreportedbyparentsand/orchildren,2adoptedobjectivemeasures(e.g.,geographicalinformationsystem,fieldobservations),and5adoptedbothobjectiveandsubjectivemeasures.PAbehaviorsincludedPA,physicalinactivity,sedentarybehavior,active/passivecommutingfrom/toschool,andparkvisits.Amongthe16studiesthatprovidedsomequantitativeestimatesoftheinfluenceofbuiltenvironmentonPAandbodyweightstatus,allreportedastatisticallysignificantrelationshipintheexpecteddirection.Availabilityandaccessibilityinproximitytogreenspaces,parks,recreationalfacilities,andsidewalkswerefoundtobeassociatedwithincreasedPAlevels,reducedsedentarybehaviors,and/oractivecommutingamongChinesechildrenandadolescents.Incontrast,theabsenceofbikelanesandlivinginhigherdensityresidentialareaswer

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.

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简介：Purpose:Thisstudyaimstocompareadolescents’cardiometabolicriskscorethroughanintegrativeclassificationofphysicalactivity(PA),whichinvolvesthecombinationofmoderate-to-vigorousphysicalactivity(MVPA)andsedentarybehavior(SB).Methods:Across-sectionalstudyderivedfromtheHealthyLifestyleinEuropebyNutritioninAdolescenceCross-SectionalStudydatabase(2006-2008)wasconductedinadolescents(n=548;boys,47.3%;14.7±1.2years)from10Europeancities.MVPAandSBwereobjectivelymeasuredusingaccelerometry.Adolescentsweredividedinto4categoriesaccordingtoMVPA(meetingornotmeetingtheinternationalrecommendations)andthemedianofSBtime(aboveorbelowsex-andage-specificmedian)asfollows:High-SB&Inactive,Low-SB&Inactive,High-SB&Active,andLow-SB&Active.Aclusteredcardiometabolicriskscorewascomputedusingthehomeostaticmodelassessment,systolicbloodpressure,triglycerides,totalcholesterol/high-densitylipoproteincholesterol,sum4skinfolds,andcardiorespiratoryfitness(CRF).AnalysesofcovariancewereperformedtodiscerndifferencesoncardiometabolicriskscoresamongPAcategoriesandeachhealthcomponent.Results:ThecardiometabolicriskscorewaslowerinadolescentsmeetingtheMVPArecommendationandwithlesstimespentinSBincomparisontothehigh-SB&Inactivegroup(p<0.05).However,nodifferenceincardiometabolicriskscorewasestablishedbetweenHigh-SBorLow-SBgroupsininactiveadolescents.ItisimportanttonotethatCRFwastheonlyvariablethatshowedasignificantmodification(higher)whenchildrenwerecomparedfromthecategoryofphysicallyinactivewith"active"butnotfromhigh-tolow-SB.Conclusion:Beingphysicallyactiveisthemostsignificantandprotectiveoutcomeinadolescentstoreducecardiometabolicrisk.LowerSBdoesnotexhibitasignificantandextrabeneficialdifference.