Ch 8 体力工作负荷-工作生理VIP免费

1WorkPhysiologyNTUST,Ergonomic/designLab2主題提高效率、降低成本、以人、作業、環境為對象之有效時間管理工作與休息時間生理時鐘(CircadianRhythm)合理的輪班制度NTUST,Ergonomic/designLab3NTUST,Ergonomic/designLab4NTUST,Ergonomic/designLab5SourceofEnergyinaMuscleFiberNTUST,Ergonomic/designLab6RhythmicContractionoftheHeart7CardiacCycle8NTUST,Ergonomic/designLab9NTUST,Ergonomic/designLab10RestvsExerciseNTUST,Ergonomic/designLabVO2Liter/min0.255.0restExerciseHRBeat/min50200QLiter/min530SVLiter/beat0.10.15A-vO2ml/Liter5016511NTUST,Ergonomic/designLabAreducedmaximalstrokevolumeisamechanismlimitingthemaximalcardiacoutput,andthereforethemaximalaerobicpowerinmanypatientswithcoronaryheartdisease1213AerobicProcessFigure7-2NTUST,Ergonomic/designLabClassicDouglasbag14IntensityandDurationofExercise15IncreaseinVO2NTUST,Ergonomic/designLabThecollectionofexpireairmaystart1minofexerciseAnexercisetimeof1minmaymaxloadtheoxygen-transportingsystemWhyneedalargeroxygendeficitifwecanincreaseVO2in1min?16IntermittentExerciseNTUST,Ergonomic/designLabBufferingeffectofanoxygenstoreTheheaviertheexercise,theshortshouldtheexerciseperiodDynamicexerciseWhyanoldindividualcanremaininheavymanuallabor?Trainingtoincreasemusclestrength?17ProlongedExerciseNTUST,Ergonomic/designLabTheindividual’smaximalaerobicpowerplaysadecisiveroleinhis/herperformanceMotivation,stateoftraining,waterbalance,depotsofavailableenergyareimportantfortheperformancecapacityTechniqueandefficiencyfactor18InterrelationbetweenaerobicandanaerobicenergyyieldNTUST,Ergonomic/designLab19TheDallasStudyNTUST,Ergonomic/designLab202122NTUST,Ergonomic/designLab23NTUST,Ergonomic/designLab24FatigueGeneralphysicalfatigue:SubjectivesymptomsoffatigueObjectivesymptomsoffatigueLocalmuscularfatigue:EMGNTUST,Ergonomic/designLab25生理時鐘人體之調節機制生理時鐘與行為表現Modulationof生理時鐘:Thetypeoftask,individual,motivation,learning,knowledgeofperformanceresults睡眠不足：Sleepdebt26睡眠與生理時鐘調整睡眠時間，遲延，品質受生理時鐘影響如果在高體溫後想睡覺(11pm)?1.睡眠時間長且在溫度上升時醒2.睡眠結構完整如果在低體溫後想睡覺(5am)1.睡眠時間短且在溫度上升時醒2.REM長27輪班制度工作時間:8or12?輪換速度：固定班、慢速換班、快速換班輪換方向：順時、逆時輪換