An evaluation of a supermarket bagging task using a wrist motion monitor
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Cumulative trauma disorders have become common among workers in industry. Grocery stores are an industry with one of the highest number of repeated trauma illnesses. Checkout departments have a rate of musculoskeletal injuries two to three times higher than other supermarket departments.
The primary objective of this study was to quantify the wrist motions required to bag groceries. Subjects participated in the laboratory or in the supermarket. The wrist motions included wrist deviations, velocities, and accelerations for flexion-extension, radial-ulnar, and pronation-supination deviations. The dependent variables were handle type and object location. A wrist motion monitor designed at Ohio State University was used to quantify wrist posture and movement.
- Masters Theses