Midori Sotoyama

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In this study, we evaluated the effects of leaning posture on the kitchen counter, which was observed during dishwashing in a kitchen, on subjective discomfort and muscle activity in the low back and legs. Twelve female volunteers were asked to wash plates for 30 min in each of three working postures: (a) without support (No support), (b) supported by the(More)
A questionnaire was sent out to elementary, junior high and high schools in Yokohama and Kawasaki Cities from January to March 1998 regarding the use of personal computers by pupils and students. The survey included the questions that asked how often and in what environment computers are used, whether any instructions are given as to their use, children's(More)
The purpose of the present study was to examine how an inserted break influences the cardiovascular and central nervous system responses during periods of mental work. Twelve males conducted two 20-min periods of mental work with a 3-min break between them. Cardiovascular and central nervous system responses were measured continuously. In comparison to the(More)
We investigated the relationship between musculoskeletal disorders and sleep problems among 98 employees (79 women) at three nursing homes. Self-reported data were collected regarding pain in the neck, shoulders, arms, legs, and low back, sleep disturbances, daytime sleepiness (Epworth Sleepiness Scale), and the level of workload on the hands, legs, and low(More)
We developed a manual including a checklist format for undertaking measures to prevent fatigue in visual display terminals (VDT) workers. With this manual, problems related to VDT work can be recognized by using checklists which allow for self-evaluation by the workers. The manual helps the workers to consider measures for improvement by themselves and will(More)
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