Ergonomic-Based Redesign of Broomsticks Reduces the Physiological Burdens of Street Sweepers in Denpasar City, Indonesia

  • Richard Andreas Palilingan Public Health Study Program, Manado State University
  • Ketut Tirtayasa Physiology Division, Faculty of Medicine, Udayana University
  • I Wayan Surata Faculty of Engineering, Udayana University

Abstract

The equipment, such as broomsticks used by street sweepers are not appropriate based on anthropometric aspects, with a potency to induce inconvenience among them. Working with equipment that is not ergonomics, in addition to non-physiological work posture can cause fatigue, musculoskeletal disorders, and increased workload. This study aims to determine whether redesign an ergonomic-based broomstick may reduce the physiological burden of street sweepers in Denpasar city, Indonesia. This research is a pure experiment using a cross-design (two-period crossover design). The sample was 16 female street sweepers, divided into two groups: 8 as the control group and 8 treatment groups. Data analysis were performed using a paired t-test with significance level of 5%. The results showed significant difference (p <0.05) on the variables of workload, musculoskeletal complaints, and fatigue. In the first period, the mean of the street sweeper working heart rate was 118.96 ± 2.26 beats per minutes (bpm), the mean musculoskeletal complaint score was 91.63 ± 2.70 and the average fatigue was 77.69 ± 2.96. In Period II, the mean heart rate was 98.49 ± 2.22 bpm, the mean musculoskeletal complaint score was 63.56 ± 2.73 and the average fatigue was 57.56 ± 2.94. Redesigned stem brooms turned out to reduce workload, musculoskeletal complaints, and fatigue by 17.21%, 30.6%, and 25.91%, respectively. It can be concluded that the redesign of an ergonomic-based broomstick can reduce workload, musculoskeletal complaints, and fatigue.

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Published
2020-12-30
How to Cite
PALILINGAN, Richard Andreas; TIRTAYASA, Ketut; SURATA, I Wayan. Ergonomic-Based Redesign of Broomsticks Reduces the Physiological Burdens of Street Sweepers in Denpasar City, Indonesia. Jurnal Ergonomi Indonesia (The Indonesian Journal of Ergonomic), [S.l.], v. 6, n. 2, p. 113 -123, dec. 2020. ISSN 2503-1716. Available at: <https://ojs.unud.ac.id/index.php/jei/article/view/61178>. Date accessed: 24 jan. 2021. doi: https://doi.org/10.24843/JEI.2020.v06.i02.p05.