Quantifying the biomechanical effects of back-support exoskeletons on work movements using statistical parametric mapping

IF 3.9 2区 工程技术 Q1 ERGONOMICS
Julia Riemer , Sascha Wischniewski , Thomas Jaitner
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引用次数: 0

Abstract

Introduction: In response to physically demanding industrial environments, back-support exoskeletons (BSEs) have emerged as assistive devices. However, their functional interaction with body structures and potential in preventing musculoskeletal disorders (MSDs) remain unclear. The objective of this study was to analyze biomechanical motion sequences throughout the entire process of different work movements and provide a comprehensive assessment of the influence of BSE. Method: Using statistical parametric mapping (SPM) methodology, we examined and quantify the magnitude of significant effects of BSEs on muscle activity (MA) and kinematic movement patterns during lifting, carrying, walking, and static bending in a standardized manner. Results: Significant changes with large effect sizes were identified during the downward phase of the lifting task, indicating decreased MA in the musculus (M.) biceps femoris and a reduced hip flexion. The usage of BSEs during carrying and walking resulted in a decreased MA of M. biceps femoris during the legs’ pre- and mid-swing phases, accompanied by an increased knee and ankle flexion. These changes in MA and kinematics, especially when the BSEs exert pressure on the leg shells through their supporting function, may be indicative of strain in other body regions due to the BSEs. Practical Applications: We suggest that the evaluated effects may lead to the non-use of BSEs in the workplace and should therefore be considered in the development of alternative BSE designs.
使用统计参数映射量化背部支撑外骨骼对工作运动的生物力学效应
为了应对对物理要求很高的工业环境,背支撑外骨骼(bse)已经成为辅助设备。然而,它们与身体结构的功能相互作用以及在预防肌肉骨骼疾病(MSDs)方面的潜力仍不清楚。本研究的目的是分析不同工作动作的整个过程中的生物力学运动序列,并对疯牛病的影响进行全面评估。方法:使用统计参数映射(SPM)方法,我们以标准化的方式检查并量化了疯牛病对肌肉活动(MA)和举重,携带,行走和静态弯曲期间的运动学运动模式的显著影响的程度。结果:在举重任务的下降阶段,发现了具有大效应量的显著变化,表明股二头肌(M.)的MA减少,髋关节屈曲减少。在搬运和行走过程中使用BSEs会导致腿部摆动前和摆动中期股骨二头肌MA的降低,并伴有膝关节和踝关节屈曲的增加。这些MA和运动学的变化,特别是当bse通过其支撑功能对腿壳施加压力时,可能表明由于bse导致的其他身体区域的应变。实际应用:我们建议,所评估的影响可能导致工作场所不再使用疯牛病,因此在开发替代疯牛病设计时应予以考虑。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
6.40
自引率
4.90%
发文量
174
审稿时长
61 days
期刊介绍: Journal of Safety Research is an interdisciplinary publication that provides for the exchange of ideas and scientific evidence capturing studies through research in all areas of safety and health, including traffic, workplace, home, and community. This forum invites research using rigorous methodologies, encourages translational research, and engages the global scientific community through various partnerships (e.g., this outreach includes highlighting some of the latest findings from the U.S. Centers for Disease Control and Prevention).
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