Back support muscle suit is applied to the work of lifting heavy material in the material handling field, in order to reduce the workload. The work model is defined based on the idea of value steam map, and the possibility of introduction is shown using productivity, which was calculated from the number of handled products during the test and normalized by the one of the subject in the month, and the result of subjective evaluation of 13 workers, which showed that 9 workers could feel better or

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... neutral during the work with muscle suit than without it. And, it was shown that the productivity of the workers with muscle suit was almost the same as the one without muscle suit. The workers who felt neutral are the ones who felt better when they lifted the loads in the lower part of the palette. It was also shown that, based on the characteristics of the subjects, such as age mainly, the result of the subjective evaluation was considered to be reasonable from the viewpoint of power of standard worker. 費は,年間 1 兆 9,987 億円に上っており,医療機関において治療または検査した患者数は,外来が年間 945,300 人,入院が年間 68,500 人と報告されている.この外来患者数は,消化器系の疾患に次いで 2 番目に多い値となっ