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KMID : 1023920160180020033
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Journal of the Korean Academy of Kinesiology
2016 Volume.18 No. 2 p.33 ~ p.41
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Effects of Smart Phone Use on Pedestrian Crossing
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Yu Yeon-Joo
Kim Suk-Bum
Kong Se-Jin
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Abstract
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PURPOSE: The purpose of this study was to investigate gait characteristics during walking with performing tasks on a smart phone.
METHODS: Eleven healthy young men(Age: 22.09±2.02yrs, Height: 174.72±4.6cm, Weight: 72.45±12.46kg) performed either texting with internet browser or talking on a smart phone while walking. In order to get the kinematic data, ten cameras, markers and visual 3D program were used. Variables in the three tasks (nornal walking, texting and talking while walking) were analyzed with One-way ANOVA with repeated measures.
RESULTS: Participants who were texting while walking presented significant reductions in gait velocity, horizontal distance between the edge of walkway and heel, stride length, step length, and the velocity of center of mass in anterior·posterior direction. Participants who were texting with a smart phone while walking presented flexion of their head, extension of their trunk, and decrease of range of motion in hip.
CONCLUSIONS: These results show that using a smart phone while walking affects gait function and working memory and influences gait to some degree that it may compromise safety.
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KEYWORD
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smart phone, pedestrian walk, dual task, gait
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