简介:运用文献资料法、实验法和数理统计法等,探讨水中等动力量训练对13~15岁100m蛙泳运动员专项力量、运动成绩的影响。结果表明:水中等动力量训练对提高100m蛙泳运动员专项力量素质和运动成绩具有更为优越的效果。
简介:Purpose:Arandomized,controlledtrialwasconductedtodeterminewhethera6-weeklowcaloriedietandaerobicexerciseinterventioncouldaltermetabolicsyndrome(MetS)riskfactorsinpre-pubescentobeseChinesechildren.Methods:Thesubjectswererandomizedintodietandexercise(DE)andcontrol(C)groups.TheDEgroupingested1600-2000kcal/dayadjustedtoeachparticipant’sbasalmetabolicrate,andengagedinhigh-volumeaerobicexercise(6days/week,twicedaily,for3hpersession)for6weeks.Atotalof215obesechildrenbetweentheagesof11and13yearswererecruitedintothestudy,with167subjects(DE,n=95;C,n=72)completingallphases.Pre-andpost-studymeasuresincludedbodyweight,bodymassindex,waistcircumference,bodyfatpercentage,bloodpressureandotherMetS-relatedmarkersfromfastingbloodsamples(serumcholesterol,triglycerides,insulin,andglucose).Results:Comparedtocontrols,theDEsubjectsexperiencedsignificantlyreducedlevelsforalloutcomemarkers(p<0.05),exceptforfastingbloodglucoseinboys(p=0.09).Conclusion:Anintensive,6-weekdietandexerciseinterventionhadfavorableeffectsinalteringMetSriskfactorsinobeseChinesechildrenaged11to13.