Vertical-dominant and multi-axial vibration associated with heavy vehicle operation: Effects on dynamic postural control

IF 3.1 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

Applied Ergonomics Pub Date : 2024-10-19 DOI:10.1016/j.apergo.2024.104402

Kiana Kia , Jangho Park , Allen Chan , Divya Srinivasan , Jeong Ho Kim

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引用次数: 0

Abstract

Heavy vehicle operators suffer from increased fall risk, potentially due to exposure to whole-body vibration (WBV) that compromises postural control. This study aimed to characterize the relative impacts of multi-axial WBV vs. vertical-dominant WBV on dynamic postural control during sit-to-stand transition and stair descent, following prolonged vibration exposures. We also compared the effectiveness of a standard (single-axial passive suspension) seat with a multi-axial active suspension seat intervention. Vertical-dominant WBV adversely affected dynamic postural control. However, multi-axial WBV had no added adverse effects on postural control compared to vertical-dominant WBV. The multi-axial active suspension system did not outperform the standard seat in mitigating vibration effects on postural control during exposures but led to faster recovery during breaks between exposures. Overall, our results confirmed the negative effects of WBV on dynamic postural control but did not detect any additional negative effects associated with multi-axial WBV when compared to vertical-dominant WBV.

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与重型车辆运行相关的垂直和多轴振动：对动态姿势控制的影响

重型车辆操作人员的跌倒风险增加，这可能是由于暴露于全身振动（WBV）影响了姿势控制。本研究旨在描述多轴 WBV 与垂直主导型 WBV 在长时间暴露于振动后从坐到站的过渡和下楼梯过程中对动态姿势控制的相对影响。我们还比较了标准（单轴被动悬挂）座椅与多轴主动悬挂座椅干预的效果。垂直主导型 WBV 对动态姿势控制产生了不利影响。然而，与垂直主导型 WBV 相比，多轴 WBV 对姿势控制没有额外的不利影响。多轴主动悬挂系统在减轻暴露期间振动对姿势控制的影响方面并不优于标准座椅，但在暴露间歇期恢复得更快。总之，我们的研究结果证实了WBV对动态姿势控制的负面影响，但与垂直主导型WBV相比，多轴WBV没有检测到任何额外的负面影响。

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

Applied Ergonomics 工程技术-工程：工业

CiteScore

7.50

自引率

9.40%

发文量

248

审稿时长

53 days

期刊介绍： Applied Ergonomics is aimed at ergonomists and all those interested in applying ergonomics/human factors in the design, planning and management of technical and social systems at work or leisure. Readership is truly international with subscribers in over 50 countries. Professionals for whom Applied Ergonomics is of interest include: ergonomists, designers, industrial engineers, health and safety specialists, systems engineers, design engineers, organizational psychologists, occupational health specialists and human-computer interaction specialists.