Journal of Korean Society of Occupational and Environmental Hygiene (한국산업보건학회지)

Korean Industrial Hygiene Association (한국산업보건학회)
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Exposure assessment of musculoskeletal disorder risk factors in non routinized work: An application of PATH-KOSHA observational tool to hospital workers

비정형작업 근골격계질환 위험요인의 노출평가: 일부 병원근로자에 대한 PATH-KOSHA 관찰도구 적용사례

  • Park, Jung-Keun (Occupational Safety and Health Research Institute, KOSHA) ;
  • Han, Young-Sun (Catholic Industrial Medical Center, Catholic University of Korea)
  • 박정근 (한국산업안전보건공단 산업안전보건연구원) ;
  • 한영선 (가톨릭대 성모병원 산업의학센터)
  • Received : 2009.08.18
  • Accepted : 2009.12.04
  • Published : 2009.12.30
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Abstract

This study was conducted to assess exposure to musculoskeletal disorder(MSD) risk factors in hospital personnel who performed non-routinized work tasks. A tool ("PATH-KOSHA" version) was newly revised from PATH(Posture, Activity, Tools and Handling) method and uploaded into a personal digital assistant(PDA). The version was used, on a basis of direct-observation, to collect PATH data at the 2 hospital settings in different regions. Job analysis was performed to get various information (e.g., work and rest time, task type) as well. The data collected were visually checked for data cleaning and stored for future data analysis. A total of 1,992 PATH observations were made for 37 hospital workers. Exposure levels varied across 18 items of the MSD risk factors. The highest percent time spent on non-neutral postures was 53% for wrist deviation, followed by 47%(pinch grip), 35%(trunk posture), 23%(neck posture), and 20%(shoulder/arm posture). The highest percent time spent among hand activity level(HAL) variables was 55% for HAL-cat2 (HAL: 3.3 - <6.7). The percent time of items with respect to both loads with more than 5kg and contact stress was less than 4%. Vibration was not exposed in the study workers. Different aspects were discussed for findings. The study results showed that wrist deviation was highest in percent time spent on awkward posture while HAL-cat2 was highest in hand repetition. The study suggests that distal upper extremity posture and HAL should be primarily addressed and controlled in non-routinized work including the hospital settings.

Keywords

References

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