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Texting during stair negotiation and implications for fall risk

机译：在楼梯谈判期间发短信和秋季风险的影响

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Highlights ? Twenty participants performed 3+ texting and 3+ non-texting trials of stair gait. ? When texting, participants ascended and descended more slowly. ? When texting, participants presented with reduced foot clearances. ? The data indicates that texting during stair gait may increase fall potential. Abstract Background/Aim : Walking requires the integration of the sensory and motor systems. Cognitive distractions have been shown to interfere with negotiation of complex walking environments, especially in populations at greater risk for falls (e.g. the elderly). With the pervasiveness of mobile messaging and the recent introduction of augmented reality mobile gaming, it is increasingly important to understand how distraction associated with the simultaneous use of a mobile device impacts navigation of the complex walking environments experienced in daily life. In this study, we investigated how gait kinematics were altered when participants performed a texting task during step negotiation. Methods : Twenty participants (13 female, 7 males) performed a series of walking trials involving a step-deck obstacle, consisting of at least 3 texting trials and 3 non-texting trials. Results : When texting, participants ascended more slowly and demonstrated reduced dual-step foot toe clearance. Participants similarly descended more slowly when texting and demonstrated reduced single-step foot heel clearance as well as reduced dual-step foot fore-aft heel clearance. Conclusion : These data support the conclusion that texting during stair negotiation results in changes to gait kinematics that may increase the potential for gait disruptions, falls, and injury. Further research should examine the effect texting has on performing other common complex locomotor tasks, actual fall risk, and the patterns of resulting injury rate and severity when negotiating complex environments.
机译：强调 ？二十名参与者进行了3+短信和3+阶梯步态的非短信试验。还当发短信时，参与者升级和降低。还在发短信时，参与者提出了减少的脚间隙。还数据表明阶梯步态期间发短信可能会增加潜在的潜力。摘要背景/目的：行走需要传感器和电机系统的整合。已经证明认知干扰会干扰复杂的行走环境的谈判，特别是在瀑布风险更大的人群中（例如，老年人）。凭借移动消息传递的普及和最近引入增强现实流动游戏，了解与同时使用移动设备的分心越来越重要，这些移动设备影响日常生活中经历的复杂步行环境的导航。在这项研究中，我们调查了在参与者在步骤谈判中进行短信任务时如何改变步态运动学。方法：二十名参与者（13名女性，7名男性）进行了一系列行走试验，涉及步进甲板障碍，包括至少3项短信试验和3项非短信试验。结果：当短信时，参与者升高，并证明了减少的双阶脚脚趾间隙。当参与者在发短信和表现出减少的单步脚跟间隙时以及减少双脚脚前后脚跟间隙时，与会者类似地降低。结论：这些数据支持结论，在楼梯谈判期间发短信导致步态运动学的变化，可能会增加步态中断，跌倒和伤害的潜力。进一步的研究应检查在谈判复杂环境时遇到其他共同的复杂运动任务，实际落下风险以及导致伤害率和严重程度的模式的效果发短信。

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