One of the ergonomics focus is work environment, which consist of physical work environment (illumination, climate, noise, etc) and non-physical work environment (working atmosphere). Music is a part of work environment, which can be used to improve emotion and productivity of workers. Listening to exciting music during exercise significantly affects heart rate, RPE and fatigue onset time (RamezanPour, 2012). The aim of this research is to understand the effect of pop musical tempo during post treadmill exercise recovery time. The experiments were done at Ergonomics Laboratory of Petra Christian University. A ten minutes treadmill exercise with a certain speed scenario and without musical background was chosen as a physical activity. The recovery time is recorded during the recovering process while respondent listening pop musical tempo with adjusted tempo. There are four level of pop musical tempo which were chosen, they are slow (66-76 bpm), medium (76-120 bpm), fast (120-168 bpm), and very fast (168-200 bpm). The desired response is faster heart rate recovery time. Randomize Complete Block Design was used as an experimental method. This study concluded that pop musical tempo significantly affects the post treadmill exercise recovery time, and slow tempo (66-76 bpm) has the fastest recovery time than the others.
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