简介：<正>特雷西·麦格雷迪TracyMcGrady让我们又爱又恨的麦迪,这个赛季依然和前两个赛季一样伤伤停停,各项数据在这个赛季跌入了近十年来的最低,场均15.8分4.8个篮板4.8次助攻。但健康

简介：首都时代广场室内高尔夫体验周，让旅行充满魅力爱思推出09新概念硬箱，加拿大春季巡展“动感”收官，09中国武术散打超级联赛正式启动

简介：Validityandreliability,aswealllearnedinourfirstresearchmethodsclass,aretwoofthemostimportantqualitiesofanytest,measurementorassessment.Whencomparedwithvalidity,reliabilityisactuallymoreimportantsincewithoutit,therewouldbenovalidity.Sincereliabilityissoimportant,almostallresearchjournalstodayhavesomearticlesrelatedtoreliability.Unfortunately,manyofthesearticlesfailtoreport

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简介：<正>WhenreportingtheprevalenceofchildhoodobesityintheUSAafewyearsago,themagazineU.S.News&WorldReportstated:"...some17percentofkidsarenowobese,whichmeansthey’reatorabovethe95thpercentileforweightinrelationtoheightfortheirage;anadditional17percentareoverweight,oratoroverthe85thpercentile."Anyonewithsomebasictraininginmeasurementorstatisticswillrealizethatthisstatementisincorrect.Thisisbecausethepercentileisdefinedasthevaluebelowwhichacertainpercentofobservationsfallinapopulation.Forexample,the15th

简介：Technologicaladvanceshaveincreasedtheprevalenceofsedentarybehaviors,asphysicalinactivityhasbecomeoneoftheleadingriskfactorsofdeathworldwide;asituationthatburdensthehealthcaresystemwithpreventablehealthdisorders.1Increasedincidenceofdiseasedecreasethequalityoflife,evenamongchildren,becausediseasesthatformerlyonsetduringadulthoodarenowimpactingpeopleearlyintheirlives,aswellasattheendoftheirlives,"bycumulativedamageovertimeorbythebiologicalembeddingofadversitiesduringsensitivedevelopmentalperiods"(p.1).2

简介：RecentarticlespublishedinNaturepointouthowsexbias,primarilyconcerningmale-exclusivity,inbiologicalresearchresultinmisleadingandambiguousscience.1-4Forexample,themajorityofanimalstudiespublishedinacademicjournalsusedonlymales,whileonlyverylimitedstudieswereinvestigatedinfemalesorbothsexes.Theconsequencesofsuchmale-favoredsexbiasinbiomedicalstudieshadleadtoahugecostinthebiomedicalindustryincludingdrugdevelopment.Between1997and2001,eightoutof10prescriptiondrugswerewithdrawnfromthemarketbytheUSFDAbecausetheyshowedmoresideeffects

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简介：Deareditor,Intheircomment,Kreweretal.1arguethatbeforeselectingaspecificmethodforassessingproprioception,itisessentialtoconsiderwhichcomponentofproprioceptionistobeassessed.Theyalsonotethatthereisnosinglemethodforassessingallaspectsofthevariousproprioceptivesenses,becausetheneurophysiologicalprocessesunderlyingproprioceptivefunction

简介：Theterm'physicalliteracy'isgainingtractioninmanycountriesandinstitutionsasagoalforphysicaleducation.Thispaperexplorestheconceptofphysicalliteracyandhighlightsthefoundationalworkinthisarea,particularlythatofMargaretWhitehead.Therelationshipofphysicalliteracytophysicaleducationisalsodiscussedwithpotentialramificationsforteachersandlearnerswhoadoptphysicalliteracyasthegoalofthesubjectarea.