[Purpose] This study was performed to analyze the influence of smartphone multitasking on gait and dynamic balance. [Subjects and Methods] The subjects were 19 male and 20 female university students. There were 4 types of gait tasks: General Gait (walking without a task), Task Gait 1 (walking while writing a message), Task Gait 2 (walking while writing a message and listening to music), Task Gait 3 (walking while writing a message and having a conversation). To exclude the learning effect, the order of tasks was randomized. The Zebris FDM-T treadmill system (Zebris Medical GmbH, Germany) was used to measure left and right step length and width, and a 10 m walking test (10MWT) was conducted for gait velocity. In addition, a Timed Up and Go test (TUG) was used to measure dynamic balance. All the tasks were performed 3 times, and the mean of the measured values was analyzed. [Results] There were no statistically significant differences in step length and width. There were statistically significant differences in the 10MWT and TUG tests. [Conclusion] Using a smartphone while walking decreases a person’s dynamic balance and walking ability. It is considered that accident rates are higher when using a smartphone.
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机译:[目的]进行本研究以分析智能手机多任务处理对步态和动态平衡的影响。 [对象与方法]研究对象为男生19名,女生20名。步态任务有4种类型:常规步态(不执行任务而行走),任务步态1(在编写消息时行走),任务步态2(在编写消息时行走并听音乐),任务步态3(在写作时行走)消息并进行对话)。为了排除学习效果,将任务顺序随机化。使用Zebris FDM-T跑步机系统(德国Zebris Medical GmbH)测量左右脚步的长度和宽度,并对步态速度进行10μm步行测试(10MWT)。此外,还使用了定时上车测试(TUG)来测量动态平衡。所有任务均执行3次,并分析测量值的平均值。 [结果]步长和步长没有统计学差异。 10MWT和TUG测试存在统计学差异。 [结论]步行时使用智能手机会降低人的动态平衡和步行能力。使用智能手机时,事故发生率较高。
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