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Effects of Vibrotactile Bio-Feedback Providing Pressure Information in Real Time on Static Balance and Weight Bearing Rate in Chronic Stroke Patients - Pilot Study

실시간 압력정보 제공 진동 촉각 피드백이 만성 뇌졸중 환자의 정적균형능력과 체중 지지율에 미치는 영향 - 예비실험연구

  • Kil, Ki-Su (Dept. Physical therapy, Graduate School of Health and Medicine, Daejeon University) ;
  • Kim, Ho (Dept. Physical therapy, Graduate School of Health and Medicine, Daejeon University) ;
  • Shin, Won-Seob (Dept. Physical therapy, College of Health and Medical Science, Daejeon University)
  • 길기수 (대전대학교 보건의료대학원 물리치료학과) ;
  • 김호 (대전대학교 보건의료대학원 물리치료학과) ;
  • 신원섭 (대전대학교 보건의료과학대학 물리치료학과)
  • Received : 2020.12.07
  • Accepted : 2020.12.31
  • Published : 2021.02.28

Abstract

Purpose : The purpose of this study is to find out if it helps to improve static balance ability and weight bearing rate for chronic stroke patients with poor balance in clinical intervention through a method of correcting movement errors while performing a task by vibrotactile bio-feedback providing pressure information. Methods : Fifteen chronic stroke patients (12 male and 3 female) were participated in this study. To examine the effects of vibrotactile bio-feedback and general standing without bio-feedback on static balance ability and weight distribution symmetric index in all subjects randomized with R Studio. The static balance ability and weight distribution symmetric index of the participants was evaluated using a force plate. A paired t-test was used for comparison of each conditions. Statistical significance was set at α=0.05. Results : The comparisons of static balance ability and weight distribution symmetric index in chronic stroke patients after two different condition are as follows. In the static balance ability and weight distribution symmetric index, the vibrotactile feedback providing pressure information showed a significant difference compared to none feedback (p<.001). Conclusion : The vibrotactile bio-feedback providing pressure information in real time can support an improve in static balance ability, uniform weight bearing rehabilitation in chronic stroke patients. In the future, it is hoped that a follow-up study that provides a better direction of intervention compared to various feedback interventions commonly used in clinical practice.

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