Relationship Of Lighting, Work Posture And Work Climate Against Complaints Of Musculoskeletal Disosders In Helper Workers At Pt Sami

Abstract

Musculoskeletal Disorders (MSDs) are a group of pathological conditions that affect the normal function of the smooth tissue of the musculoskeletal system which includes nerves, tendons, muscles, and supporting structures such as the intervertebral disc. The manual cable transfer activity at PT SAMI has the potential for the incidence of MSDs in its workers. Based on the results of research conducted by Octaviani (2017), inter-provincial bus driver workers in Bandar Lampung experienced MSDs complaints of 73.3%. The results of research also conducted by Fuady (2013) found that there is a relationship between work risk and MSDs in shoe craftsmen in the Small Industrial Village (PIK) of Milling, Cakung District, 2013. Meanwhile, according to research by Khoffiya et al (2019) there is a relationship between work climate and work posture. with MSDs complaints to baggage handling service workers at Kokapura Ahmad Yani Semarang. Based on the results of a preliminary study using a Nordic Body Map questionnaire involving 22 respondents, it was found that 45% of respondents experienced Musculoskeletal Disorders (MSDs).

The purpose of this study was to analyze the relationship between lighting and work posture and work climate with complaints of Musculoskeletal disorders at PT SAMI Semarang. This type of research uses descriptive quantitative methods with a cross sectional design approach. The study was conducted in September 2020. The population numbered 22 helper workers with the same sample size of 22 workers due to using the total sampling method. In data collection, researchers used the REBA Checksheet, Nordic Body Map (MSDs Complaint Data, subjective), Extech Instruments HT 30 Series Heatstress Meter (work climate data), and the LL Lutron series LM-810 Luxmeter (Lighting Data). Bivariate statistical analysis used Chi-Square test and multivariate analysis with logistic regression test. The results showed lighting according to standard or> 300 lux 95.5%, moderate work posture as much as 54.5%, work climate according to TLV 95.5%, and employees experiencing 77.3% musculoskeletal disosder complaints. There was no correlation between lighting and musculoskeletal disosder complaints (pvalue = 0.579, C = 0.118). There is a relationship between work posture and musculoskeletal disorders (p-value = 0.003, C = 0.583). There is no relationship between work climate and musculoskeletal disosder complaints (p-value = 0.579, C = 0.118). The multivariate test results show that the most influential variable is work posture (OR = 2.008.089.806.039). Companies must carry out socialization and active education to workers about how to work and work attitudes that are right in accordance with ergonomic principles. Provide workplace stretching exercise for 5 - 10 minutes before starting work and during breaks between work.