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http://dx.doi.org/10.5762/KAIS.2015.16.1.471

Effects of Smart Phone Use on the Gait Parameters When Healthy Young Subjects Negotiated an Obstacle  

Kim, Chang-Yong (Division of Rehabilitation Science, Department of Health Science, Korea University)
Jeong, Hye-Won (Division of Rehabilitation Science, Department of Health Science, Korea University)
Kim, Hyeong-Dong (Department of Physical Therapy, College of Health Science, Korea University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.16, no.1, 2015 , pp. 471-479 More about this Journal
Abstract
This study examined the effects of smart phone use while young adults negotiated an obstacle (2 cm high). Seventy-four young adults (mean age: $23.76{\pm}3.17years$, age range: 20-27 years) participated in the study. They were allocated randomly into two groups; smart phone group and no smart phone group. The smart phone group negotiated an obstacle while simultaneously using a smart phone at a self-paced speed whereas the no smart phone group negotiated an obstacle with no special option. A motion analysis system were used to measure the gait parameters, such as toe clearance, cadence, step length, step width, stride length, and walking velocity in two groups. The toe clearance, and step-width, cadence, and step-length were significantly greater for the smart phone group than the no smart phone group (p<.05) and the walking velocity was significantly lower in the smart phone group (p<.05). On the other hand, there was no significant difference in the stride length between the two groups. This study suggests that smart phone use degrades the obstacle avoidance abilities of healthy young adults, which may increase risk of falls.
Keywords
Falling; Obstacle; Smart phone; Walking;
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