Abstract
A volunteer study at the Chair of Ergonomics (TUM) investigates which cardiovascular effects on the human body are to be expected from repetitive lifting movements at different load times, and which requirements arise accordingly with respect to different lifting task durations by using the cardiopulmonary exercise testing (CPET) method. Two different weight classes and three different load times are combined with a conventional lifting task. In addition to the acquisition of objective data, such as oxygen consumption (V’O2/kg) or heart rate (HR), the subjective stress using the Borg RPE scale is determined and analyzed. 27 test persons (M=27.6 years, SD=±3.1) participated in the study. At 70.4% less than three quarter of the participants in the test were men. Both the objective and subjective data show significant differences between the mentioned weight classes. A load time of more than 10 minutes for analyzing manual handling tasks by using CPET is recommended.
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