Pengaruh Beban Kerja dan Sikap Kerja terhadap Musculoskeletal Disorders pada Pekerja Bengkel Motor di Kelurahan Indra Kasih Kota Medan

Abstract

A workshop is a form of business that must be operationally profitable and oriented towards making a profit. Workshop workers work every day except on major holidays with a working time of 8 hours or more according to customer conditions. Workers often make unnatural movements. This can cause muscle and skeletal disorders. In the informal sector, awareness and knowledge about occupational safety and health (K3) and occupational diseases (PAK) is still lacking, so research is needed. The aim of this research is to analyze the influence of workload and work attitudes on Musculoskeletal disorders which are moderated by age, length of service and length of work in motorbike repair shop workers in Indra Kasih Village, Medan City. This research uses quantitative methods with a cross-sectional design by calculating % CVL for workload, REBA assessment for work attitudes and SNI gotrak for risk of Musculoskeletal disorders. The research sample consisted of 48 workers. This research uses regression tests and moderated regression analysis (MRA). The results of the workload test on musculoskelatal disorders, the regression coefficient value is 0.419 with a p-value of 0.003 (p < 0.05). Workload has a positive and significant effect on musculoskelatal disorders. The results of the work attitude test towards musculoskelatal disorders, the regression coefficient value is 0.366 with a p-value of 0.010 (p < 0.05). Work attitude has a positive and significant effect on musculoskelatal disorders. The MRA test results show an influence of workload on Musculoskeletal disorders which is moderated by length of work. There is an influence of work attitudes on Musculoskeletal disorders which is moderated by length of service and length of work. Wokers are advised to warm up and do isometric exerses whilw working and workshop owners provide ergonomic equipmement.