Grasping Tools and Tableware:

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  • TADA Mikari
    Faculty of Social Welfare, Kansai University of Welfare Science

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Other Title
  • 日常生活用品の握りやすさの判断について
  • 日常生活用品の握りやすさの判断について : 対象と手の配置における検討
  • ニチジョウ セイカツ ヨウヒン ノ ニギリ ヤスサ ノ ハンダン ニ ツイテ : タイショウ ト テ ノ ハイチ ニ オケル ケントウ
  • －対象と手の配置における検討－
  • The Arrangement of Hand and Object

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Abstract

Effective grasping arrangements were tested using various arrangements of graspable objects and hands positioned to perform the grasping action. Forty-two participants were simultaneously shown pictures of objects (tools and tableware, such as a cup or pliers) and one grasping hand in various arrangements and asked to rate whether the object and the hand were arranged in such a way that the object would be easy to grip. Results show that the alignment effect was not observed for some arrangements. In addition, when the object and hand were congruent with the orientation of the participant's body, the object was not always considered to be easily graspable. However, some participants felt that arrangements were easily graspable even when the arrangement was not congruent with the orientation of their bodies. The results suggest that an effective grasping arrangement is affected by the visual characteristics of the shape of the object and by the arrangement of both the object and the body, but that the object's alignment, congruency, and orientation with the body are not always required for effective grasping.

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