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Fall risk assessment of construction workers based on biomechanical gait stability parameters using wearable insole pressure system

机译：基于生物力学步态稳定性参数的可穿戴鞋垫压力系统对建筑工人的跌倒风险评估

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摘要

Falls on the same level are a leading cause of non-fatal injuries in the construction industry, and loss of balance events are the primarily contributory risk factors associated with workers’ fall injuries. Previous studies have indicated that changes in biomechanical gait stability parameters provide substantial safety gait metrics for assessing workers’ fall risks. However, scant research has been conducted on changes in biomechanical gait stability parameters based on foot plantar pressure patterns to assess workers’ fall risks. This research examined the changes in spatial foot regions and loss of balance events associated with biomechanical gait stability parameters based on foot plantar pressure patterns measured by wearable insole pressure system. To test the hypotheses of this study, ten asymptomatic participants conducted laboratory simulated loss of balance events which are often initiated by extrinsic fall risk factors. Our results found: (1) statistically significant differences in biomechanical gait stability parameters between spatial foot regions, especially with the peak pressure parameter; and (2) statistically significant differences in biomechanical gait stability parameters between loss of balance events when compared to normal gait (baseline), especially with the pressure-time integral parameter. Overall, the findings of this study not only provide useful safety gait metrics for early detection of specific spatial foot regions but also allow safety managers to understand the mechanism of loss of balance events in order to implement proactive fall-prevention strategies.
机译：跌落到同一水平是建筑行业非致命伤害的主要原因，而失衡事件是与工人跌倒受伤相关的主要风险因素。先前的研究表明，生物力学步态稳定性参数的变化为评估工人跌倒风险提供了重要的安全步态指标。但是，基于脚底压力模式来评估工人跌倒风险的生物力学步态稳定性参数的变化却很少进行。这项研究基于可穿戴的鞋内底压力系统测量的足底压力模式，研究了与生物力学步态稳定性参数有关的足部空间区域的变化和失衡事件。为了检验这项研究的假设，十名无症状参与者进行了实验室模拟的失衡事件，这些失衡事件通常是由外部跌倒风险因素引起的。我们的结果发现：（1）空间脚部区域之间的生物力学步态稳定性参数在统计学上有显着差异，尤其是在峰值压力参数上； （2）与正常步态（基线）相比，失衡事件之间的生物力学步态稳定性参数在统计学上有显着差异，尤其是与压力时间积分参数相比。总体而言，这项研究的发现不仅为早期发现特定的空间脚区域提供了有用的安全步态指标，而且还使安全管理人员能够了解失衡事件的机制，从而实施主动的预防跌倒策略。

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