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kai che ru he jian huan zhi ye bing
Author(s): 
Pages: 32-34
Year: Issue:  12
Journal: Health Life

Abstract: 造成职业病的原因 引起腰椎损伤的客观原因,主要是因为车辆的剧烈振动,导致腰背部肌肉的疲劳,最终发展至腰椎损伤.研究表明:人体器官有其各自的振动频率,腰背部为3 ~ 6Hz的低频振动,与车辆的振动频率大致相近,由此发生了最简单的物理现象——共振.这种共振会加大腰背的振动量,并增加对它的损伤.车辆的振动持续地对腰脊产生压缩与拉伸,使腰背疲劳至极,乃至造成腰椎损伤.如果长期高速行车,则会导致骨关节改变、神经末梢感觉障碍,严重者全身骨骼和关节麻木、感觉迟钝.老司机大多的“振动病”,会让夜间手剧痛,振动觉、痛觉发生障碍,手指呈节段性苍白,手指麻木僵直、有蚁行感等,严重影响工作和生活.
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