Abstract
Work posture is the position of the body when doing work activities. Incorrect work posture is often caused by the location of equipment or facilities, workplace layout, inappropriate work environment conditions, or a combination of several of these factors. Any body position can cause discomfort and fatigue if maintained for a long time, including workers in the office. Therefore this study will be carried out Observation ns of workers at the Head Office of PT. Jasa Marga who works for 8 hours per day using a computer. To minimize the level of injury risk by knowing and identifying work postures on workers using computers. To assess the ergonomic risk of office workers that can cause Musculoskeletal Disorder is by observing ROSA. This research is a quantitative study with a cross-sectional study design. The statistical test used is Chi-square. And using simple random Sampling as many as 88 people. Univariate test results of this study showed that as many as 50 people have a high-risk work posture. based on the results of the bivariate test, it was found that the variables associated with work posture using the ROSA method were anthropometri factors and sports activity factors with p value 0.006 and 0.042. To prevent or reduce high-risk work posture should do modify or replace workstation in the office, and perform workplace stretching exercise when the muscles begin to tense.
Highlights
Postur kerja adalah posisi tubuh saat melakukan aktivitas kerja
Univariate test results of this study showed that as many as 50 people have a high-risk work posture. based on the results of the bivariate test, it was found that the variables associated with work posture using the Rapid Office Strain Assessment (ROSA) method were anthropometri factors and sports activity factors with p value 0.006 and 0.042
Tinjauan Faktor Risiko Ergonomi Terhadap keluhan Muskuloskeletal pada Aktivitas Manual Handling pada Pekerja di Bagian Produksi PTMI Tahun 2010
Summary
Gambar 2 Deskripsi Variabel Postur Kerja, Umur, Jenis Kelamin, Masa Kerja, Kebiasaan Olahraga, dan Risiko IMT. Hasil analisis menggunakan uji Chi-square diperoleh bahwa IMT dan kebiasaan olahraga memiliki pengaruh yang signifikan terhadap postur kerja, dengan nilai pvalue masing-masing sebesar 0,006 dan 0,042. Pada kelompok IMT berisiko terdapat sebesar 74,4% yang memiliki postur kerja risiko tinggi dan pada kelompok IMT tidak berisiko sebesar 42,9% yang memiliki postur kerja risiko tinggi. Hasil analisis bivariat juga menunjukkan nilai OR pada masing-masing variabel yang memiliki peluang untuk mengalami postur kerja risiko tinggi. Responden dengan IMT berisiko memiliki peluang [3,9] kali untuk memiliki postur kerja dengan tingkat risiko tinggi dibandingkan pada responden dengan IMT tidak berisiko. Sedangkan responden dengan kebiasaan olahraga yang kurang baik akan memiliki peluang untuk mengalami postur kerja risiko tinggi sebesar [2,8] kali lebih tinggi dibandingkan dengan responden yang kebiasaan olahraga cukup baik. Tabel 1 Analisis Hubungan antara Umur, Jenis Kelamin, Masa Kerja, Kebiasaan Olahraga, dan Risiko IMT dengan Postur Kerja
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