Study of Fatigue Felt due to in the Different Work Postures : Efficacy of Standing Posture Combined with Periodic Walking to Decrease Feeling of Fatigue

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  • 作業姿勢の差異による疲労感に関する研究 : 移動を伴う立位作業の疲労感軽減に対する有効性について
  • サギョウ シセイ ノ サイ ニ ヨル ヒロウカン ニ カンスル ケンキュウ イドウ オ トモナウ リツイ サギョウ ノ ヒロウカン ケイゲン ニ タイスル ユウコウセイ ニ ツイテ

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Abstract

Recently, Multi-Process Holding developed in Toyata Production System or Cell Production, is used more often. In these systems, the work posture must be changed from sitting in a chair to standing combined with periodic walking or standing. Standing posture combined with periodic walking is researched as to whether or not there is a difference of workload compared to standing alone and sitting in a chair. However, there have been many studies about fatigue. In this study, I reviewed standing posture combined with periodic walking, standing posture and chair-sitting posture. There are excellent results of field studies about fatigue felt due to work postures, experimental studies about fatigue felt due to work postures, physical change due to work postures, the effects of support chairs, keeping fixed work postures, trends in fatigue felt due to work posture being changed from sitting in a chair to Multi-Process Holding and fatigue felt due to work design. There is not much difference in the fatigue felt due to chair-sitting posture and standing posture combined with periodic walking. Under the compulsion to remain standing or sitting in a chair, workers feel much more tired. In the case of standing posture combined with periodic walking, there is less fatigue felt in workers. The work system, for example cycle time, probably affects the level of fatigue.

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