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ID:32565552
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时间:2019-02-12
《步行好还是跑步好》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、IsItBettertoWalkorRun?步行好,还是跑步好?WalkingandrunningarethemostpopularphysicalactivitiesforAmericanadults.Butwhetheroneispreferabletotheotherintermsofimprovinghealthhaslongbeendebated.Nowavarietyofnewstudiesthatpittedrunningdirectlyagainstwalkingareprovidingsomeanswers.Theirconclusion?Itdependsa
2、lmostcompletelyonwhatyouarehopingtoaccomplish.步行和跑步是最受美国成年人欢迎的运动项目。然而究竟是走还是跑更利于健康,人们一直争论不休。最近有不少直接比较跑步与步行的新研究给我们提供了一些答案。他们的结论是?——到底谁更好,基本上完全取决于你的期望。If,forinstance,youarelookingtocontrolyourweight—andshallowlyornot,Iam—runningwins,goingaway.InastudypublishedlastmonthinMedicine&ScienceinSports
3、&Exercise,andunambiguouslytitled“GreaterWeightLossFromRunningthanWalking,”researcherscombedsurveydatafrom15,237walkersand32,215runnersenrolledintheNationalRunnersandWalkersHealthStudy—alargesurveybeingconductedatLawrenceBerkeleyNationalLaboratoryinBerkeley,Calif.假如你想减重——无论肤浅与否——跑步更胜一筹,而且大比分领
4、先。今年4月发表在《体育医学与科学》(Medicine&ScienceinSports&Exercise)上的一篇文章清楚明白地打着这样一行标题:《跑步比步行更利于减重》(GreaterWeightLossFromRunningthanWalking)。研究者梳理了参与“全国跑步与步行健康研究”的15237名步行者和32215名跑步者的调查数据。该大型调查由加州伯克利市劳伦斯伯克利国家实验室(LawrenceBerkeleyNationalLaboratory)进行。Participantswereaskedabouttheirweight,waistcircumference
5、,dietsandtypicalweeklywalkingorrunningmileagebothwhentheyjoinedthestudy,andthenagainuptosixyearslater.参与者在调查开始时汇报了自己的体重、腰围、饮食习惯和通常每周或走或跑的英里数,六年后再次汇报以上数据的变化。GettyImagesTherunnersalmostuniformlywerethinnerthanthewalkerswheneachjoinedthestudy.Andtheystayedthatwaythroughout.Overtheyears,therunne
6、rsmaintainedtheirbodymassandwaistlinesfarbetterthanthewalkers.跑步者在调查初期就普遍比步行者瘦,而且之后一直保持。几年下来,跑步者在控制体重指数和腰围方面远比步行者强。Thedifferencewasparticularlynotableamongparticipantsover55.Runnersinthisagegroupwerenotrunningalotandgenerallywerebarelyexpendingmorecaloriesperweekduringexercisethanolderwalker
7、s.Buttheirbodymassindexesandwaistcircumferencesremainedsignificantlylowerthanthoseofage-matchedwalkers.这种差异在55岁以上的参与者中尤其明显。此年龄段的跑步者并不进行大量跑步锻炼,也不比同龄步行者每周消耗的卡路里多。但他们的体重指数和腰围显著比同龄步行者低。Whyrunningshouldbetteraidweightmanagementthanwalkingisnotaltogether
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