Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Development of a Somatosensory Stimulation System for the Improvement of Postural Stability

자세 안정성 개선을 위한 체성감각 자극 시스템 개발

  • 유미 (전북대학교 의용생체공학과) ;
  • 은혜인 (전북대학교 헬스케어공학과) ;
  • 박용군 (전북대학교 의용생체공학과) ;
  • 김동욱 (전북대학교 생체정보공학부) ;
  • 권대규 (전북대학교 생체정보공학부) ;
  • 김남균 (전북대학교 생체정보공학부)
  • Published : 2007.09.01
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Abstract

This paper proposes a somatosensory stimulation system for the improvement of postural stability using vibration as somatosensory stimulation. This system consists of vibratory stimulation and postural response measurement. To evaluate this system, the center of pressure(COP) was closely observed in turn with simultaneous or separate mechanical vibratory stimulations to flexor ankle muscles (tibialis anterior, triceps surae) and two plantar zones on both feet while standing on a stable and an unstable support. The simultaneous vibratory stimulations cleared influenced postural stability and the effects of vibrations were higher with the unstable support. In separate vibratory stimulations, the extent of the COP sway reduced when the direction of the vibratory stimulations and that of the inclination of body coincided for flexor ankle muscle stimulations. In the contrary, the extent of the COP sway increased when the direction of the stimulations and that of body inclination coincided for plantar zone stimulations. These results can be useful for the development of rehabilitation systems that utilizes somatosensory inputs for postural balance.

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References

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