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Scaffolding is an inseparable part of a construction work. Scaffolding work contributes to the emergence of risk factors for skeletal muscle disorders due to work (gotrak) or musculoskeletal disorders (MSDs). The purpose of this study was to analyze the risk factors for the occurrence of scaffolding at PT X. This type of research was crosssectional with 156 employees as respondents at PT X. Ergonomics risk factor assessment in the workplace is carried out with an approach to assessing the level of occupational risk and subjective complaints of workers. Respondents provided information on individual characteristics, ergonomic risks using the method (Rapid Entire Body Assessment or REBA) with the results achieving high and very high scores. The level of ergonomics risk shows that 66.23% of respondents are in the high risk category and 33.77% of the respondents are in the low risk category. The analysis of cough complaints on workers using the Nordic Body Map questionnaire resulted in the 3 highest complaints, namely neck, shoulders and hands/wrist. This study shows that the risk factors for the occurrence of Gotrak scaffold workers at PT X at 12 months old are age 30 years OR 1.91 (95% CI 1.37-3.25), working period 10 years OR 2.42 (95 % CI 1.39-4.19), awkward posture OR 6.24 (95% CI 2.40-16.21). While the risk factors for gotrak that caused the absence of the last 12 months are age 30 years OR 1.32 (95% CI 1.18-1.76), years of service ≥ 10 years OR 1.65 (95% CI 1.03-2.65), type of work OR 10.98 (95% CI 4.2628.26), REBA score 2.53 (1.78-3.00), demands at work OR 1.65 (95% CI 1.02-2.51), work organization and job contents OR1.44 (95% CI 1.28-2.93, for risk factors for the last 7 days, namely type of work OR 2.79 (95% CI 1.28-6.07), health and wellbeingOR 1.43 (95% CI 1.09-1.84).
Kata kunci: gejala gangguan otot rangka, manufaktur, ergonomi,faktor fisik, faktor psikososial
Manufacture is one of the industry that has the risk of musculoskeletal disorders. The aim of this research is to analysize the risk factors from the symptoms of disorders of musculoskeletal. This research conducted on March until April 2018 by involving 51 workers on Mixing area and 40 workers on Office Area of X Corporation which is a manufacturing company who made the component of the motor vehicle. This research used Cross Sectional method by using QEC questionnaire and combination of psychosocial questionnaire as the instrument for data collection. The independent variable of this research are the characteristic of workers (age, gender, body mass index, smokimg status, and working time), physical factors on the work place (force, awkward postures, repetitive motion, and coupling) and psychosocial factors (job demands, control of the job, social support, skill discretion, job satisfaction, and work stress). The result of this research shows there is a significant correlation of body mass index with a symptoms on the top of the back, working time and skill direstion with a symptoms of the wrist, high risk of physical factor with a symptom of the neck, and work stress with a symptom of shoulders and the low part of the back. Therefore it needs to be a further control about ergonomic factor at X Corporation.
Keyword: symptoms of musculoskeletal disorder, manufacturing, ergonomic, physical factor, psychosocial factor.
Computers are work tools that are familiar to office workers. This activity can increase the risk of discomfort to body and become musculoskeletal pain. This study aims to analyse the relationship of individual factors (posture, age, sex, and body mass index) and work environment (temperature and lighting) on occurrence of work-related musculoskeletal disorders at PT. X. This paper is also assessing the ergonomics of work station at PT. X based on PERMENKES no. 48 of 2016 concerning Office K3 Standards. The design of this study was cross-sectional with 42 workers and direct observation. 61.9% of workers experienced pain in the body during the last 1 month. The results of Nordic Body Map questionnaire show the most pain occurrence are at point 5 (back) as much as 57,7%, point 7 (waist) as much as 53,8%, and point 0 (upper neck) as much as 46,2%. Through quantitative analysis, it is known that on the individual factors, only the body mass index factor has a correlation (rho = 0,330 = moderate positive correlation) and significant (p-value = 0,033) on pain occurrence. Meanwhile, on the work environment factor, only the lighting factor has correlation (rho = -0.323 = moderate negative correlation) and significant (p-value = 0.037) on pain occurrence. Work station at PT. X needs some improvements because an unergonomic work station can be one of the contributors of work-related musculoskeletal disorders occurrence complaints among workers
Many workers in the manufacturing industry report MSD complaints. This study aims to determine the prevalence of MSD complaints and the relationship of physical, psychosocial and individual factors to MSD complaints at PT NI in 2020. The method used was quantitative with a cross sectional study design. A validated standardized questionnaire was distributed to 120 respondents. Data analysis used is SPSS with logistic regression models to identify risk factors for MSD complaints and their consequences. The prevalence of MSD complaints in the last 12 months, reduced activity and MSD complaints in the last 7 days were 78%, 43% and 54%. Physical factors related to MSD complaints are trunk bending position with a proportion of ≤ 50% of time, repetitive work with a proportion of> 50% of time, kneeling / squatting with a proportion of> 50% of time, body vibration ≤ 50% of time, and sitting position> 50% of time . For psychosocial factors are work dissatisfaction, high over commitment, high work pace, and moderate work stress. While the individual factors are the status of contract workers, tenure, 2 shift work systems, and female employees. In conclusion, workers at PT NI have a high prevalence of MSD complaints and their consequences for various parts of the body. A planned and measurable effort is needed to eliminate the risk factors for MSD complaints.
In the era of the industrial revolution 4.0, humans still being an important role in production in several sectors. But humans also have limitations in terms of physical, physiological, and psychological. This imbalance can cause a problem in the body, namely work musculoskeletal disorders (WMSDS). The purpose of this study was to analyze individual, occupational, and psychosocial factors on WMSDS in workers in the packing area of PT AS. This type of research is cross-sectional with 172 workers in the packing area of PT AS. In ergonomics risk assessment, administrators/supervisors use ROSA, packing operators use RULA, helpers use OWAS. The results of questionnaire showed that the highest prevalence at 7-days WMSDS were neck, shoulder and upper back, while at 12 months, the highest prevalence were neck and shoulder. The analysis of this study found that there was a relationship between 7-days WMSDS with a stooping attitude for 1-4 hours with an OR value of 2.07 (1.00-4.32), the frequency of carrying loads 21-30 times/hour with an OR value of 8.33 (1.13-61.50) and mild level of stress with an OR value of 2.48 (1.10-5.59). Meanwhile, at 12 months of WMSDS, high work demands have a significant relationship with WMSDS in packing area workers of PT AS with an OR value of 2.67 (1.19-5.99). complaints of WMSDS in the packing area of PT AS are quite high (>60%), so it is necessary to repair it immediately
