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Introduction: Musculoskeletal Disorder (MSD) is an injury that affects the movement of human body systems such as muscles, tendons, ligaments, nerves, blood vessels, and others. The prevalence of MSDs in Indonesia is 11.9% based on diagnosis and 24.7% based on symptoms. MSDs prevalence is 31.2% based on employment among farmers, fishermen, and workers. Methods: The design of this study has been included in observational research using a quantitative approach with Cross-Sectional study. Results: MSDs can appear based on gender, age, educational status, and non-medical supporting professions. Older workers tend to be at risk of developing MSDs complaints. Conclusion: To reduce the risk of complaints, work facilities such as ergonomic chairs and tables can be provided along with extension of work intervals. Workers must take advantage of good rest periods. There is no relationship between work tenure and MSDs complaints. If the working period is long, then it can cause boredom and the endurance of muscles as well as bones physically. [ABSTRACT FROM AUTHOR]

Research Background: Low Back Pain is a musculoskeletal disorder in the lower back area that many complained of patients who visited the doctor. The exact incidence of low back pain in Indonesia varies from 7.6% to 37%. The problem of low back pain on workers is generally influenced by the period of work. Research Objectives: To know the influence of the working period on the low back pain of the employees in the sewing unit of the ‘X’ carpet factory Pandaan subdistrict, Pasuruan district. Research Methodology: The research design used in this research is observational analytic with the crosssectional approach with a big sample of 30 respondents that is patient of low back pain disorder. Data analysis using simple linear regression statistic test α = 0,05. Findings: From the result of the significance test of the regression equation got result p ≤ 0,05 so H0 rejected. Thus the regression line equation formed by the function of the effect of the working period with the occurrence of low back pain is significant. In simple linear regression test statistic test the value (p = 0,000), value (R = 0.847). Discussion: There is significant influence between the working period with low back pain complaints to workers in the sewing unit of ‘X’ carpet factory Pandaan subdistrict, Pasuruan district. [ABSTRACT FROM AUTHOR]