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1、-------ABSTRACTBoneHistomorphometricStudyofEffectsofExercisesonWeightedandNonweightBearingBoneMassoftheOrchidectomizedRatsObjectiveThispaperdiscussedtheeffectandmechanismofdifferentintensitytreadmillexerciseonweightedandnonweightbearingbonemassoftheorchid
2、ectomizedRats.MethodsFortymaleSpragueDawlyratsagedat12weeksweredividedintofollowinggroups:SHAM,ORX,threegroupsofindividualexerciseofdifferentintensity:ORX+EX1,ORX+EX2andORX+EX3.Afterrunningfor10weeks,wekillthemandchooseproximaltibiametaphysis(PTM)andthe4t
3、hlumbarvertebralbody(L4)tomakebonesliceswithoutdecalcification,meanwhile,todeterminatediversebonemassindexsandbonearchitectureindexsandbonemetabolismofbonemorphologicalmetrologyandmakeANOVA.Results(1)TheindexsofORXtocompareSHAMshows:bonemassdowns(P<0.05),
4、bonearchitecturetodestroy(P<0.05),ossificationtoweaken(P<0.05),osteoclasttoincrease(P<0.05).(2)TheindexsofORX+EX1andORX+EX2tocompareORXshows:bonemasstoincreas(eP<0.05),bonearchitecturetoimprov(eP<0.05),ossificationtoincreas(eP<0.05),osteoclasttoweaken(P<0
5、.05).(3)TheindexsofORX+EX2tocompareORX+EX1shows:bonemasstoincrease(P<0.05),bonearchitecturetoimprove(P<0.05),ossificationtoincrease(P<0.05).(4)TheindexsofORX+EX3tocompareORXshow:bonemassandbonearchitectureisnotdifference(P>0.05),butossificationandosteocla
6、sttoincrease(P<0.05),bonemetabolismtoincrease(P<0.05);theindexsofORX+EX3tocompareORX+EX2show:bonemassdowns(P<0.05),bonearchitecturetodestroy(P<0.05),osteoclasttoincrease(P<0.05).(5)ThebonemassincrementofPTMofORX+EX2ismorethanL4.Conclusion1.theorchidectomi
7、zedRatswilllosebonemassandbone,sarchitecture.2.-----------II萬方數(shù)據(jù)-----------pertinencerunningexercisewillincreasebonemassandbone,sarchitecture.3.runningexcessexercisewillnotmaintainbonemassandbone,sarchitecture.4.Afterpertinencerunningexercisethebonemassin
8、crementofweight-bearingboneismorethannonweight-bearingbone.Subjectwordsrat,orchidectomized,runexercises,bonemass,bone,sarchitecture,weight-bearingbone,nonweight-bearingbone,histomorphometry-----------III萬方數(shù)據(jù)--------