Effects of age, thumb length and screen size on thumb movement coverage on smartphone touchscreens

Jinghong Xiong, Satoshi Muraki

    研究成果: ジャーナルへの寄稿学術誌査読

    35 被引用数 (Scopus)

    抄録

    This study investigated the relationship between the movement coverage on smartphone touchscreens and the factors (age, thumb length and screen size) affecting this. By referring to the thumb movement in the adduction-abduction orientation with a right-hand phone-holding posture, the thumb-coverage area that represents how far the thumb can reach and the centre of gravity in this coverage area were determined. The assessment focused on a comparison of these indices between ages, thumb lengths and screen sizes. The results showed that elderly users and those with longer thumbs are likely to leave more unreachable space at the right side and bottom of touchscreens. Moreover, the thumb-coverage area actually increased when the touchscreen size was increased; however, increasing the size of a smartphone touchscreen does not necessarily increase the thumb-coverage area at the same ratio as the touchscreen size increases.

    本文言語英語
    ページ(範囲)140-148
    ページ数9
    ジャーナルInternational Journal of Industrial Ergonomics
    53
    DOI
    出版ステータス出版済み - 5月 1 2016

    !!!All Science Journal Classification (ASJC) codes

    • 人的要因と人間工学
    • 公衆衛生学、環境および労働衛生

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