| Summary: | Tempe Murni Muchlar Industry is a home-based industry since 1985 and
now engaged in the business of the making of tempe with traditional processing in
the area of Kasihan, Bantul, Yogyakarta. The business owned by Mr. H. Muchlar
and he has 10 employees, where the workers are doing activities of raw material
sieving, washing, soaking, boiling, grinding, separation of the peel, cooling,
fermentation, and packaging. The activities are done manually and it takes a long
time, even the workers have to work in a standing posture which is can cause
fatigue. The aim of the research is to determine the resting time also to determine
the duration of resting time.
Physiological criteria that being are observed heart rate, body
temperature, and the level of sleepiness. Movement of the heart rate workers are
observed, then the energy expenditure and duration of rest periods are calculated.
Measurement of body temperature rhythm is observed in order to determine the
body as well as to determine the break time. The level of sleepiness workers while
working be obtained with Stanford Sleepiness Scale method.
The result of research shows that based on physiological criteria, workers
get off-time from working at 5 or exactly at 11:00 with the duration of rest periods
on average 17 minutes.
Keywords: heart rate, level of sleepiness , body temperature, time off
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