Sitting position on the batik worker in the long term and do repeatedly with high accuracy, the position of having the risk of LBP. Based on survey 52 workers (86.7%) experienced LBP. This research used Quasi Esperimental with working position ergonomic. Sample used in this study were 15 workers. The analysis data used non-parametric Wilcoxon test. Results showed no effect of working position ergonomics to LBP before and after using the model position ergonomic work on the first day with a value of p = 0.001, no effect of working position ergonomics of the complaint LBP before and after using the working position ergonomics good day 2 with a value p = 0.000, no effect of ergonomic working position against LBP complaints before and after using the ergonomic working position either day 3 with p = 0.000.
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