This is an occupational disease that occurs when vibrations from hand-held power tools such as jackhammers, riveters, chipping hammers, grinders, and chainsaws are transmitted to the hands and arms. It can also be caused by the vibrations of the handlebars of tractors, bulldozers, and motorcycles traveling on rough roads. It was first described by G. Loriga (1911) of Italy in a description of stone quarry workers who used jackhammers. Characteristic symptoms appear several years after starting to use the tools, and include numbness and pain in the hands and arms, and cold hands. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
削岩機,鋲打ち機,チッピングハンマー,グラインダー,チェーンソーなどの手持ち動力工具を使用する際,工具の振動が手や腕に伝播して発生する職業病。トラクター,ブルドーザー,悪路を走行するオートバイなどのハンドルの振動によるものもある。最初の記載は,イタリアのロリガG.Loriga(1911)が削岩機を使う石材切出し労働者についていったものである。 特徴的な症状は,工具の使用開始後,数年して現れ,手・腕のしびれ,痛み,手の冷えが目立つ。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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