Abstract
Overhead work is a main risk factor for upper limb work-related musculoskeletal disorders. In this paper, the research team evaluated the effectiveness of a passive exoskeleton(PE) with a mechanical arm linked to the exoskeleton body as an assistive device for overhead work. Ten male volunteers participated in the research by effectuating repetitive overhead lifting tasks using each of three payloads: (1kg, 3kg, and 6kg) and with/without passive exoskeleton (PE). The performance evaluation was then conducted by analyzing the electromyography (EMG) and ratings of perceived discomfort(RPD) of the shoulders and back muscles obtained from experiments.
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