Highlights Children routinely wear heavy backpacks to school. This study examined how this influences their street crossing behaviors. A heavy backpack slowed walking speed. However, children strategically responded to maintain their safety. Wearing a heavy backpack did not increase pedestrian injury risk.

    Abstract Purpose The current study examined how wearing a heavy backpack influences children’s street crossing behaviors. Method Using a fully-immersive virtual reality system, numerous indices of children’s street crossing behaviors (7−13 years) were measured both when wearing a heavy backpack (12% of bodyweight) and when not doing so. Results A heavy backpack slowed walking speed. However, any potential increase in risk from this was counteracted by compensatory actions that included: the selection of larger inter-vehicle gaps to cross into; greater efficiency in initiating the crossing (reduced start delay); and increased walking speed when in the path of the approaching vehicle. Ultimately, there was no greater risk outcome (time left to spare) compared to children’s performance when not wearing a backpack. There were no age or sex differences. Conclusion When tested in ways that preserve perceptual-motor coupling in traffic situations, children strategically responded to maintain their safety despite wearing a heavy backpack that slowed their walking speed. Previous conclusions that a backpack increases pedestrian injury risk is likely an artifact of the testing method used.


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    Title :

    The effect of a heavy backpack on children’s street-crossing performance


    Contributors:


    Publication date :

    2020-10-11




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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