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Effects of Home-based Virtual Reality on Upper Extremity Motor Function for Stroke - An Experimenter Blind Case Study

가정-중심 가상현실이 만성뇌졸중환자의 팔 운동기능에 미치는 영향 - 실험자 맹검 단일실험연구

  • Lee, Jung-Ah (Department of Motor and Cognitive Rehabilitation, Korea National Rehabilitation Center Research Institute) ;
  • Hwang, Su-Jin (Department of Physical Therapy, Nambu University) ;
  • Song, Chiang-Soon (Department of Occupational Therapy, Chunnam-Techno College)
  • 이정아 (국립재활원 재활연구소 운동인지재활과) ;
  • 황수진 (남부대학교 물리치료학과) ;
  • 송창순 (전남과학대학 작업치료과)
  • Received : 2012.02.29
  • Accepted : 2012.07.12
  • Published : 2012.07.31

Abstract

The purpose of this study was to investigate the effect of the home-based virtual reality (VR) on upper extremity motor function in hemiparetic stroke patients. Two matched subjects with left hemiplegia were volunteered to participate in this study. One subject received the home-based VR whereas the other subject recovered a modified home-based constraint-induced movement therapy (CIMT). Both interventions were given for 4 hours x 5 times a week for 4 weeks. Outcome measures included Fugl-Meyer Assessment (FMA), Motor Activity Log (MAL), and Wolf Motor Function Test (WMFT). The VR-trained subject showed considerable improvement in all the tested motor functions when compared with the home-based CIMT. Specifically, the FMA measure demonstrated that the VR subject showed 17% enhancement whereas the CIMT subject showed 5% increase. Similarly, Amount of Use (AOU) and Quality of Movement (QOM) of the MAL scores of the VR subject showed 40% and 20% increase whereas the CIMT subject showed 0% and 20% increase, respectively. The WMFT scores of the VR subject and CIMT subject showed 20% increase. Our home-based VR was effective in upper extremity motor recovery of chronic hemiparetic patients even when compared with the well-established CIMT approach in stroke victims.

Keywords

Arm motor function;Stroke;Virtual reality

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