20周规律有氧运动对中老年大鼠动脉管壁结构与抗氧化能力的影响

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1、3．5大鼠主动脉胶原纤维免疫组织化学染色观察结果与年轻对照组比较，中老年对照组阳性表达呈非常显著性增加(P

2、化酶活性；4．220周规律有氧运动能够改变动脉管壁的增龄性变化，延缓动脉管壁结构的衰老进程：4．3通过20周规律有氧运动，减少Aopps的积累对氧化应激的诱导以及刺激，进而达到对血管内皮细胞氧化应激的改善。关键词：有氧运动；主动脉；衰老；晚期氧化蛋白产物Ⅳkl‘ly氏r慷’‘I，一、JobjectiveAbstractFromtheactivitiesofantioxidantenzymes，histology，andultrastructuralstudytorevealthreelevelsofregularaer

3、obicexercisefor20weeksoldratsonthearterialwallandisextremelyelasticfibersinthemechanismofaction，whilethe20weeksofregularaerobicexerciseslowtheagingvesseleffectassessed．MetairieandmethodsLaboratoryanimalmodels：18months，30femaleandheathySprague—Dawley(SD)ratsprovi

4、dedbyhunanagriculturaluniversityexperimentwererandomlybividedintotwogroups，and15ratsineschgroup，therewereeldercontrolgroupandeldergroupofincreasingexercise．Anothergroupweresetted：youngcontrolgroup(c：n=l5，a=20months)．AllofthoseSDwerefedinseparatecageaccordingtoth

5、eexperimentalanimalfeednorm．Thoseratswereacceptedincreasingstrengthtreadmillrunningtraining，controllingspoilsintensitywithApplicationofBloodLactate，formulatingincreasingintensityaerobicexercisemethodofelderlyrats．Lacticacidthresholdtestingmethod：Todeterminedrefe

6、rencingincreasingstrengthtreadmillrunningtrainingofVonMeiyunlacticacidthresholdby√’takingtailbl。。d，withtheprincipleab。utcuⅣe。flacticacid—p。wer．TheVfirstintensitywas15metersperminutefor2or3minutes，increasingrateof3metersperminutes，theresttimeWas30seconds．Rat’Sexe

7、rcisemothod：ThestageforEnvironmentaladaptationwithnotraining；thesecondstageforadaptivetraining；thethirdstageWassportstraining，aftertheadaptabilityofrats，increasingload，speed‘runningmotionfor15metersperminute，timefor30minutesaftertheincreases，accordingtothetraini

8、ngtimeandthentheintensityoftheprinciplesareincreasing，trainingtimeincreasedrangefor5minutes，runspeedincreasefor1meter,eachloadlastsforaweek．startedtrainingonSundaytor