The purpose of this study is to execute the investigation of injurious factors causing muscle-skeletal diseases at an automotive glass manufacturing company and, on the basis of the results, to enhance productivity by the improvement of working environment. By using an survey and an ergonomic evaluation method, symptoms of muscle-skeletal diseases of workers and working postures at each process were analyzed, and quantitative evaluation of muscle-skeletal disease risk against each process was performed. Based on the result of the evaluation, to enhance the working environment, improvement of worktable, working space, tools, and outfit was suggested, and induction of mechanical system was also suggested. Suggested improvement plan was applied to the workplace step by step and it is confirmed that improvement plan not only removes the injurious factors of muscle-skeletal diseases but also is effective to enhance productivity.

ABSTRACT
 1. 서론
 2. 연구 방법
  2.1 대상 및 자료수집
  2.2 평가방법
 3. 근골격계 질환 유해요인 조사를 통한 작업환경 개선
  3.1 대상 작업장의 특성
  3.2 절문 조사 결과
  3.3 작업 공정별 근골격계 질환 유해요인 조사 및 작업환경 개선
 4. 개선 전, 후의 생산성 분석
 5. 결론
 참고문헌