Inclination of standing posture due to the presentation of tilted view through an immersive head-mounted display

DOI Web Site 3 Citations 19 References
  • Ohmura Yuji
    Department of Physical Therapy, School of Nursing and Rehabilitation Sciences at Odawara, International University of Health and Welfare: 1-2-25 Shiroyama, Odawara-shi, Kanagawa 250-8588, Japan Department of Computer and Information Sciences, Graduate School of Engineering, Tokyo University of Agriculture and Technology, Japan
  • Yano Shiro
    Department of Computer and Information Sciences, Graduate School of Engineering, Tokyo University of Agriculture and Technology, Japan
  • Katsuhira Junji
    Department of Prosthetics & Orthotics and Assistive Technology, Faculty of Medical Technology, Niigata University of Health and Welfare, Japan Department of Medical Research and Management for Musculoskeletal Pain 22nd Century Medical and Research Center, Faculty of Medicine, The University of Tokyo Hospital, Japan
  • Migita Masato
    Department of Physical Therapy, School of Nursing and Rehabilitation Sciences at Odawara, International University of Health and Welfare: 1-2-25 Shiroyama, Odawara-shi, Kanagawa 250-8588, Japan
  • Yozu Arito
    Department of Rehabilitation Medicine, The University of Tokyo Hospital, Japan
  • Kondo Toshiyuki
    Department of Computer and Information Sciences, Graduate School of Engineering, Tokyo University of Agriculture and Technology, Japan

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Abstract

<p>[Purpose] The purpose of the present study is to clarify whether tilted scenery presented through an immersive head-mounted display (HMD) causes the inclination of standing posture. [Subjects and Methods] Eleven healthy young adult males who provided informed consent participated in the experiment. An immersive HMD and a stereo camera were employed to develop a visual inclination system. The subjects maintained a standing posture twice for 5s each while wearing the visual inclination system. They performed this task under two conditions: normal view and 20° leftward tilted view. A three-dimensional motion analysis system was used to measure the subjects’ postures, and two force plates were used to measure the vertical component of the floor reaction force of each leg. [Results] In the 20° leftward tilted view, the head and trunk angles in the frontal plane were similarly inclined toward the left, and the vertical component of the floor reaction force increased in the left leg, whereas it decreased in the right leg. [Conclusion] When the view in the immersive HMD was tilted, the participants’ trunk side bent toward the same side as that of the view. This visual inclination system seems to be a simple intervention for changing standing posture.</p>

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