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Un Ergonomic work attitude is one of the causes of fatigue in silver crafters. This study aims to determine the effect of ergonomic chairs on the reduction of work fatigue based on the response of lactic acid and glucose in silversmiths. The design of this study is Quasi Experiment. With a total sample of 18 silversmiths in the control and treatment groups selected by random sampling. Data collected included work attitudes, levels of lactic acid and glucose before and after work. Data analysis in the form of Wilcoxon and Mann Whitney tests was used to test the effect of ergonomic chairs on decreasing work fatigue in silver crafters. The results showed that 30.6% of respondents were at 26 35 years old. 50% of respondents have a high risk work attitude in the control group and 72.2% have a low risk in the treatment group. Difference in lactic acid levels in the control group (2.92 mmol / kg) and treatment (0.51 mmol / kg) with a p value (0.000) shows that there are differences in the two groups. Difference in glucose levels in the control group (4.94 mg / dL) and the treatment group (3.50 mg / dL) with a p value (0.000) showed that there were differences in glucose levels in the two groups. It was concluded that increased lactic acid and reduced glucose in workers with ergonomic chairs differ from workers without ergonomic chairs, which means that the use of ergonomic chairs reduces fatigue in silversmiths.

Kursi Ergonomis Untuk Menurunkan Kelelahan Pada Perajin Perak Di Kecamatan Manggala