食器洗いの作業姿勢について

概要

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The oscillation of the 3rd lumber spine of 9 adult women washing a dish on sinks of various heights were continuously recorded by a kimo-graph. 1) The lower the height of the sink is, the greater the shift of the posture and the amplitude of curves are also increased. 2) The limits of heights of sinks are determined by various factors; acrominal heights, the length of upper limbs, the height of hips, the depth of umbilical region, the distance of subjects from sinks and the habitual way of each individuals. 3) In case of smaller women the adjustments to the heights sinks are mainly performed by the elbow joints while the adjustments by the hip joints while the adjustments by the hip joints are done in case of the taller subjects. 4) The upright posture with the bending elbows (95°∼130°) is tolerated for a long-time with the minute amplitude of curves, while bending hip joints with the stretched arms causes the pain of waists, with increased amplitude of curves. 5) The subjects standing 15cm. backward from the original site could hardly take an adequate posture as the fat woman.
社団法人日本産業衛生学会の論文