简介:2月4日《邓颖超同志诞生一百周年》邓颖超,原名文淑,又名咏通、湘君,1919年更名为颖超。1904年2月4日生于广西南宁(市邮政局,530000),祖籍河南光山(县邮政局,465450)。
简介:4月7日《水乡古镇》7000多年前,我国江南水乡地区就有人类居住繁衍,创造了河姆渡、良渚文化。11世纪,这里已是最富庶的地区之一。以“水”为中心的生活环境和发展方式,造就了水乡古镇建筑鳞次
简介:Purpose:Theaimofthisstudywastoinvestigatetheinfluenceofthecardiorespiratoryfitnesslevelontheresponsetohigh-intensityintervaltraining(HIIT)withanindividuallyadjustedrunningspeedofthesamerelativeintensity.Theevaluationfocusedonacutecardiorespiratoryresponse,postexercisecardiacautonomicmodulation(heartratevariability(HRV))andbiochemicalmarkersofinflammation,oxidativestress,andmuscledamage.Methods:Thirtyparticipantsweredividedinto3subgroups:welltrained,moderatelytrained,anduntrained.Alltheparticipantsperformed30minHIITcomposedof6×2minintervalexercisewithwork-to-reliefratio=1andworkintensity100%ofindividualvelocityatmaximaloxygenconsumption(VO2max).Acutecardiorespiratoryvariables,postexerciseHRV,lactate,interleukin-6(IL-6),totalantioxidantcapacity(TAC),creatinekinase,andmyoglobinupto4hafterHIITweremonitored.Results:Thedifferencesinrelativelyexpressedcardiorespiratoryvariables(heartrate,VO2)duringHIITwereatmostmoderate,withthemostpronouncedbetween-groupdifferencesinabsoluteVO2values.ThedisruptionofthepostexerciseHRVwasthemostpronouncedinuntrainedindividuals,andthisdifferencepersisted1hafterHIIT.ThehighestpostexerciseIL-6andTACconcentrationsandthelowestchangesincreatinekinaseandmyoglobinwererevealedinwell-trainedindividuals.Conclusion:Thehigherfitnesslevelwasassociatedwiththelesspronouncedpostexercisecardiacautonomicchangesandtheirfasterrestoration,evenwhenthereweresimilaracutecardiorespiratoryresponses.ThesefindingsweresimultaneouslyaccompaniedbythehigherpostexerciseIL-6andTACconcentrationsandlesssignificantchangesinmuscledamagebiochemicalmarkersinwell-trainedindividuals.
简介:采用统计法和归纳分析法对安徽体院排球队2009级和2010级2届毕业生的情况进行统计分析,结果显示:5年制高职学生普遍文化基础差,考取本科院校的概率低,大部分学生来自于农村,由于家庭条件等因素,学生流失现象比较严重;由于安徽省排球项目没有专业队,开展排球运动的地市不多,全省排球运动的普及率不够理想.同时,提出措施.