针对建筑工人的可调硬度被动腰部辅助外骨骼的肌电图和可用性评估

IF 1.9 4区 工程技术 Q2 Engineering
Jung Sun Kang, Bo Ra Jeong, Eung-Pyo Hong, Bok Man Lim, Byung June Choi, Youn Baek Lee, Yun Hee Chang
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引用次数: 0

摘要

建筑工人由于经常搬运重物,腰背肌肉劳损的发生率很高。本研究考察了可调节硬度的被动腰部辅助外骨骼(WIBS)在减少提举任务中肌肉活动的效果。十名男性参与者分别在穿戴和不穿戴 WIBS 的情况下完成了举起和放下重物的任务。使用肌电图测量了胸椎/腰椎竖脊肌和多裂肌的肌肉活动。研究还评估了外骨骼的可用性。结果表明,WIBS 可显著减少腰背肌肉活动,在举起 10 公斤物体时减少达 12.5%,在放下 10 公斤物体时减少达 15.5%,尤其是在硬度等级 2 和 3 时。值得注意的是,在自由设置和 1 级设置下没有观察到明显差异。虽然增加硬度通常会减少肌肉活动,但不同硬度之间没有明显差异。参与者对外骨骼给予了积极评价,在适用性、稳定性、安全性、舒适性和有效性等各个方面的平均满意度为 84.6 分。这些研究结果表明,WIBS 可以成为减少建筑工人肌肉劳损和肌肉骨骼疾病风险的重要工具。需要进行纵向研究,以评估建筑工人长期使用该技术的情况及其在更广泛的建筑任务中的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

EMG and Usability Assessment of Adjustable Stiffness Passive Waist-Assist Exoskeletons for Construction Workers

EMG and Usability Assessment of Adjustable Stiffness Passive Waist-Assist Exoskeletons for Construction Workers

Construction workers experience high rates of low back muscle strain due to frequent lifting of heavy objects. This study examined the effectiveness of an adjustable stiffness passive waist-assist exoskeleton (WIBS) in reducing muscle activity during lifting tasks. Ten male participants performed lifting and lowering tasks both with and without the WIBS. Muscle activity in the thoracic/lumbar erector spinae and multifidus muscles was measured using electromyography. The study also assessed the usability of the exoskeleton. The results revealed that WIBS significantly reduced low back muscle activity by up to 12.5% during lifting and 15.5% during lowering of 10 kg objects, particularly at stiffness levels 2 and 3. Notably, no significant difference was observed at the free and level 1 settings. While increasing stiffness generally decreased muscle activity, there was no significant difference between stiffness levels. The participants positively rated the exoskeleton, with an average satisfaction score of 84.6 across various aspects, including suitability, stability, safety, comfort, and effectiveness. These findings suggest that WIBS could be a valuable tool for reducing muscle strain and the risk of musculoskeletal disorders in construction workers. Longitudinal studies are required to evaluate the long-term use of this technology by construction workers and its effectiveness in a wider range of construction tasks.

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来源期刊
CiteScore
4.10
自引率
10.50%
发文量
115
审稿时长
3-6 weeks
期刊介绍: The International Journal of Precision Engineering and Manufacturing accepts original contributions on all aspects of precision engineering and manufacturing. The journal specific focus areas include, but are not limited to: - Precision Machining Processes - Manufacturing Systems - Robotics and Automation - Machine Tools - Design and Materials - Biomechanical Engineering - Nano/Micro Technology - Rapid Prototyping and Manufacturing - Measurements and Control Surveys and reviews will also be planned in consultation with the Editorial Board.
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