In ergonomics, an MVC-normalized EMG below the 20-30% range means the recorded activity is not critical for worker’s well-being. Below this range is a safe point, and workers can continue performing at that level. To change this, click “Edit Report” in the right toolbar of the Viewer tab and double-click the graph. In the pop-up window, click “3. Subperiod Settings” and adjust the minimum or maximum thresholds as necessary. In the image below, the 20-30% was changed to 50-80% as an example