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1、1Work PhysiologyNTUST, Ergonomic/design Lab2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(Circadian Rhythm)合理的輪班制度NTUST, Ergonomic/design Lab3NTUST, Ergonomic/design Lab4NTUST, Ergonomic/design Lab5Source of Energy in a Muscle Fiber NTUST, Ergonomic/design Lab6Rhythmic Contraction of the Heart7Cardiac C
2、ycle8NTUST, Ergonomic/design Lab9NTUST, Ergonomic/design Lab10Rest vs ExerciseNTUST, Ergonomic/design LabVO2Liter/min0.255.0restExerciseHRBeat/min50200QLiter/min530SVLiter/beat0.10.15A-vO2ml/Liter5016511NTUST, Ergonomic/design LabA reduced maximal stroke volume is a mechanism limiting the maximal ca
3、rdiac output, and therefore the maximal aerobic power in many patients with coronary heart disease 1213Aerobic ProcessFigure 7-2NTUST, Ergonomic/design LabClassic Douglas bag 14Intensity and Duration of Exercise15Increase in VO2NTUST, Ergonomic/design LabThe collection of expire air may start 1 min
4、of exerciseAn exercise time of 1 min may max load the oxygen-transporting systemWhy need a larger oxygen deficit if we can increase VO2 in 1 min?16Intermittent ExerciseNTUST, Ergonomic/design LabBuffering effect of an oxygen store The heavier the exercise, the short should the exercise periodDynamic
5、 exerciseWhy an old individual can remain in heavy manual labor?Training to increase muscle strength?17Prolonged ExerciseNTUST, Ergonomic/design LabThe individuals maximal aerobic power plays a decisive role in his/her performanceMotivation, state of training, water balance, depots of available ener
6、gy are important for the performance capacityTechnique and efficiency factor 18Interrelation between aerobic and anaerobic energy yieldNTUST, Ergonomic/design Lab19The Dallas StudyNTUST, Ergonomic/design Lab202122NTUST, Ergonomic/design Lab23NTUST, Ergonomic/design Lab24FatigueGeneral physical fatig
7、ue: Subjective symptoms of fatigueObjective symptoms of fatigueLocal muscular fatigue: EMGNTUST, Ergonomic/design Lab25生理時鐘人體之調節機制生理時鐘與行為表現Modulation of 生理時鐘: The type of task, individual, motivation, learning, knowledge of performance results睡眠不足:Sleep debt26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: 8 or 12?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