Journal of the Korean Society of Physical Medicine (대한물리의학회지)

The Korean Society of Physical Medicine (대한물리의학회)
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The Effect of Electromyographic Biofeedback Training on the VMO/VL Electromyographic Activity Ratio and Onset Timing in Women without Knee Pathology

건강한 여성에 대한 근전도를 이용한 생체되먹이기 훈련이 안쪽빗넓은근과 가쪽넓은근의 근활성비와 개시시간에 미치는 영향

  • Kim, Hyun-Hee (Department of Physical Therapy, Sahmyook University) ;
  • Song, Chang-Ho (Department of Physical Therapy, Sahmyook University)
  • 김현희 (삼육대학교 물리치료학과) ;
  • 송창호 (삼육대학교 물리치료학과)
  • Received : 2010.10.02
  • Accepted : 2010.11.17
  • Published : 2010.11.30
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Abstract

Purpose : The purpose of this study was to investigate the VMO/VL ratio and onset timing using EMG biofeedback training over a 5-day period. Methods : Twenty-one healthy female college students with no known right knee musculoskeletal dysfunction were recruited this study. Muscle activity was measured by surface electromyography(Myosystem 1400A, Noraxon Inc., U.S.A). Statistical analysis was used two-way repeated ANOVA to know difference between the vastus lateralis and vastus medialis oblique onset timing differences, VMO/VL ratio. Results : Biofeedback training group significantly improved VMO/VL ratio and EMG activity of the vastus medialis oblique after intervention. Conclusion : These result indicate that biofeedback training on the vastus medialis oblique has effect on the VMO/VL ratio. EMG biofeedback can be recommended for the facilitation of VMO muscular recruitment.

Keywords

References

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