期刊
APPLIED ERGONOMICS
卷 98, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.apergo.2021.103591
关键词
MSD; Upper extremity; Wearable device
资金
- NSERC
This study found that using upper limb exoskeletons under different support conditions modestly affected some joint movements, while also reducing perceived exertion and discomfort, but did not have an impact on task duration.
Despite growing literature, limited research details the influence of passive upper limb exoskeletons on upper limb kinematics. Two bolting tasks and a tracing task were completed at two heights (overhead and between waist and overhead height) for four exoskeleton conditions (no exoskeleton, and 3 levels of exoskeleton assistance) by female participants. Motion capture data, ratings of perceived exertion and discomfort, and task duration were recorded. Exoskeleton condition increased minimum shoulder elevation by 35-36% (Delta 10.5-10.7 degrees) at 1.81 kg and 2.72 kg of support, mean shoulder external rotation by 316% (Delta 24.6 degrees) at 0.91 kg of support and mean forearm pronation by 30.9% (Delta 14.6 degrees) at 0.91 kg of support. Exoskeleton condition reduced ratings of perceived exertion and discomfort, but not significantly. Task duration was unaffected. Exoskeleton use at any of three different settings modestly affected some joint kinematics for the tasks examined, which may merit consideration when deciding on occupational exoskeleton implementation.
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