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Physical Work Demands of Maintenance Workers on Onshore Petroleum Facilities in Norway: An Observational Study Utilizing Wearable Sensor Technology

期刊

ANNALS OF WORK EXPOSURES AND HEALTH
卷 67, 期 6, 页码 706-719

出版社

OXFORD UNIV PRESS
DOI: 10.1093/annweh/wxad022

关键词

accelerometry; ergonomics; human factors; manual labour; occupational health and safety; occupational physical activity; physical exposures; work-related physical activity

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The study aimed to assess the physical work demands of onshore petroleum maintenance workers using body-worn sensors, in order to close the knowledge gap based on self-report. The findings showed that although on average half of the workday was spent sitting or lying down, the remaining work time involved long durations of arm elevation and forward bending. There was substantial variation in these work exposures among workers, indicating the need for preventive measures in work organization and performance.
Objectives High physical work demands can cause musculoskeletal disorders and sick leave in petroleum workers. However, our knowledge of their physical work demands is scarce and based on self-report. The objective of our study is to work towards closing this knowledge gap by assessing the physical work demands of onshore petroleum maintenance workers using body-worn sensors. Methods A total of 46 of 69 eligible maintenance workers (37 mechanics and 9 process technicians) from three onshore petroleum facilities in Norway filled in a questionnaire and diary and wore five accelerometers and a heart rate sensor for up to six consecutive workdays. Work-related physical activity and postures were classified using rule-based modelling in a modified version of the validated Acti4 software. Results The onshore maintenance petroleum workers were working an average of 10 h a day and spent on average this time with 48% (SD = 16.5) sitting, 1% (SD = 2.8) lying down, 39% (SD = 16.2) in light physical activity, and 9% (SD = 3.8) in moderate to vigorous physical activity. During work hours while at feet, we found arm elevation >= 60 degrees to be 11% (SD = 7.1) (68 min), and forward bending of the trunk >= 60 degrees to be 2% (SD = 2.2) (14 min). The workers spent 2% (SD = 2.5) (12 minu) of the workhours kneeling. We observed a high inter-individual variation for all these work exposures. Moreover, 26% (12) of the workers conducted static standing for >30% of the workday, and 17% (8) spent more than half of the work hours >33% of their estimated maximal cardiovascular capacity. Conclusions While onshore maintenance petroleum workers on average spend about half of the workday sitting or lying down, the remaining worktime is spent with a rather high duration of arm elevation and forward bending. Quite high fraction of the workers spends much of the workhours in static standing and kneeling. We see a substantial variation in these work exposures between the workers. The findings indicate a need for preventive measures in how work is organized and performed.

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