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为了探讨劳动负荷与肌肉骨骼疾患的关系， 采用北欧国家标准调查表对某汽车厂２８５ 名生产工人进行肌肉骨骼疾患患病率调查。同时， 测定了部分工人的肺通气量和血清肌酸激酶（ＣＫ） 以便反映其劳动负荷。调查结果表明：汽车生产工人患肌肉骨骼疾患以下背痛最为突出， 其次是手腕痛和肩颈疾患。患病率随劳动负荷增加呈升高趋势（Ｐ＜０．０１）， 初步证实二者间存在剂量反应关系。工人的ＣＫ 活性明显高于管理人员， 且随劳动强度级别增加而升高 （Ｐ＜０．０１）， 说明ＣＫ在一定程度上能反映劳动负荷的高低
In order to investigate the relationship between labor load and musculoskeletal disorders, a survey of 285 musculoskeletal disorders prevalence was conducted using a Nordic national standard questionnaire. At the same time, some workers were measured lung ventilation and serum creatine kinase (CK) in order to reflect their work load. The results of the survey showed that the following back pain was the most prominent among motor vehicle production workers suffering from musculoskeletal disorders, followed by wrist pain and neck and shoulder disorders. The prevalence increased with the increase of labor load (P <0.01), initially confirmed the existence of dose-response relationship between the two. CK activity of workers was significantly higher than that of managers, and increased with the level of labor intensity (P <0.01), indicating that CK to some extent, can reflect the level of labor load