Evaluation of three ergonomic measures on productivity, physical work demands, and workload in gypsum bricklayers

H.F. van der Molen, P.P.F. Kuijer, M.A.G. Formanoy, L. Bron, M.J.M. Hoozemans, B. Visser, M.H.W. Frings-Dresen

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    Background: This study evaluated the effects of a combination of three ergonomic measures designed to reduce the risk of low back complaints among gypsum bricklayers. The measures focused on optimizing working height and reducing carrying distances. Methods: A within-subjects (N=10) controlled field study was used to compare the effects of working with the ergonomic measures with those of working with conventional working methods at the worksite during the course of a full working day. Productivity, work demands, and workload were assessed. Results: No effects were found on productivity, total work time, duration of tasks, duration of carrying, or energetic or biomechanical workload. However, the duration and frequency of working between knee and hip height during a working day increased by 25% and 15%, respectively, due to the ergonomic measures. During the finishing task, the duration and frequency of working below knee level decreased significantly by 4 min and 71 times, respectively. Conclusion: The limited impact of the ergonomic measures argues for additional measures to reduce the risk of low back complaints. Am. J. Ind. Med. 53:608-614, 2010. © 2010 Wiley-Liss, Inc.
    Original languageEnglish
    Pages (from-to)608-614
    JournalAmerican Journal of Industrial Medicine
    Volume53
    Issue number6
    DOIs
    Publication statusPublished - 2010

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