Physical Therapy Korea (한국전문물리치료학회지)

Korean Research Society of Physical Therapy (한국전문물리치료학회)
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Effects of Various Sensory Stimulation on Surface Area and Velocity of Center of Pressure During One Leg Standing in Healthy Adults

건강인의 한발 서기 시 다양한 감각 자극이 압력 중심점 이동 면적과 속도에 미치는 영향

  • Kim, Ga-hyun (Dept. of Physical Therapy, College of Medical Science, Jeonju University) ;
  • Tak, Ji-yeon (Dept. of Physical Therapy, College of Medical Science, Jeonju University) ;
  • Lim, Hak-hyun (Dept. of Physical Therapy, College of Medical Science, Jeonju University) ;
  • Jeong, Hee-seon (Dept. of Physical Therapy, College of Medical Science, Jeonju University) ;
  • Woo, Young-keun (Dept. of Physical Therapy, College of Medical Science, Jeonju University)
  • 김가현 (전주대학교 의과학대학 물리치료학과) ;
  • 탁지연 (전주대학교 의과학대학 물리치료학과) ;
  • 임학현 (전주대학교 의과학대학 물리치료학과) ;
  • 정희선 (전주대학교 의과학대학 물리치료학과) ;
  • 우영근 (전주대학교 의과학대학 물리치료학과)
  • Received : 2015.06.30
  • Accepted : 2015.08.10
  • Published : 2015.09.17
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Abstract

This study aimed to evaluate the surface area and velocity of center of pressure (COP) during one leg standing by stimulating the sensory system in normal adults. Thirty subjects were enrolled in this study. Subjects were asked to stand on one leg during testing conditions. Testing conditions included 6 different sensory stimulations as follows: eyes opened, eyes closed, eyes opened with vibrator, eyes opened with head-mounted display (HMD), eyes opened with vibrator and HMD, and eyes closed with vibrator. During each testing condition, the surface area and velocity of center of pressure were measured. There were significant differences in the mean surface area and the mean velocity of COP between the "eyes opened" condition and the other five testing conditions (p<.05). However, in the comparison between the "eyes closed" and "eyes opened with HMD" conditions, there were no significant differences in the tested parameters. This study shows that closing eyes or keeping eyes opened while using HMD to experience virtual reality has the same effect on one leg standing balance. This finding should be considered in the evaluation or intervention of balance, especially one leg standing balance and balance while standing with a small base of support.

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References

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