4.5 Article

Impact of mobile phone use on accidental falls risk in young adult pedestrians

期刊

HELIYON
卷 9, 期 8, 页码 -

出版社

CELL PRESS
DOI: 10.1016/j.heliyon.2023.e18366

关键词

Fall; Phone; Texting; Balance; Wearable; Road safety; Pedestrian; Dual -task; Gait; Accident; Walking

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This study found that texting with a mobile phone while walking can negatively impact gait stability and balance recovery in young adults, increasing the risk of accidental falls. Consequently, educational and technological interventions should be implemented to discourage pedestrians from texting while walking in hazardous environments.
Background: Mobile phone use is known to be a distraction to pedestrians, increasing their like-lihood of crossing into oncoming traffic or colliding with other people. However, the effect of using a mobile phone to text while walking on gait stability and accidental falls in young adults remains inconclusive. This study uses a 70 cm low friction slip hazard and the threat of hazard to investigate the effects of texting while walking on gait stability, the ability to recover balance after a slip hazard and accidental falls.Methods: Fifty healthy young adults performed six walking tasks, and one seated texting task in random order. The walks were conducted over a 10-m walkway. Four progressive hazard levels were used: 1) Seated; 2) Normal Walk (walking across the walkway with no threat of a slip); 3) Threat (walking with the threat of a slip); and 4) Slip (walking with an actual 70 cm slip hazard). The three walking conditions were repeated twice with and without the mobile phone texting dual-task. Gait kinematics and trunk posture were recorded using wearable sensors attached to the head, trunk, pelvis and feet. Study outcomes were analyzed using repeated measures analysis of variance with significance set to P & LE;.05.Results: Mobile phone use significantly impaired postural balance recovery when slipping, as demonstrated by increased trunk sway. Mobile phone use negatively impacted gait stability as demonstrated by increased step time variability and decreased harmonic ratios. Increased hazard levels also led to reduced texting accuracy.Conclusions: Using a mobile phone to text while walking may compete with locomotor tasks, threat assessment and postural balance control mechanisms, which leads to an increased risk of accidental falls in young adults. Pedestrians should therefore be discouraged through new educational and technology-based initiatives (for example a texting lock on detection of walking) from texting while walking on roadside footpaths and other environments where substantial hazards to safety exist.

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