The Journal of Korean Physical Therapy

The Korean Society of Physical Therapy (대한물리치료학회)
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The Effects of CI Technique in PNF on the Muscle Activity, Fatigue, and Balance in Hemiplegic Patients

PNF의 CI기법이 편마비 환자의 근활성도, 근피로도 및 균형에 미치는 효과

  • Ji, Sang-Ku (Department of Physical Therapy, Eulji Medical Center) ;
  • Lee, Moon-Hwan (Department of Physical Therapy, International University of Korea) ;
  • Kim, Myung-Kyun (Department of Physical Therapy, Eulji Medical Center) ;
  • Jun, Hye-Jin (Department of Physical Therapy, Eulji Medical Center) ;
  • Lee, Chang-Ryeol (Department of Physical Therapy, Youngdong University)
  • 지상구 (을지대학병원 물리치료실) ;
  • 이문환 (한국국제대학교 물리치료학과) ;
  • 김명권 (을지대학병원 물리치료실) ;
  • 전혜진 (을지대학병원 물리치료실) ;
  • 이창렬 (영동대학교 물리치료학과)
  • Received : 2009.03.27
  • Accepted : 2009.07.04
  • Published : 2009.09.25
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Abstract

Purpose: The purpose of this study was to investigate the effects of a combination of isotonic (CI) technique on the balance, muscle fatigue and muscle activities of the quadriceps muscle in the paretic leg of hemiplegic patients. Method: All the subjects received a combined isotonic technique of proprioceptive neuromuscular facilitation (PNF) for about 30 minutes 3 times per week for 6 weeks. The root mean square (RMS) and mid frequency (MF) were recorded by surface electromyography (EMG)(EMG/EP system, OXFORD Medelec, UK) during maximal voluntary isometric contractions (MVIC). The balance ability was measured by a balance system (BIODEX, USA). Result: The RMS of the quadriceps muscle at post-treatment was significantly increased compared to that at pretreatment (p<0.05). Yet there was no significant difference among the three muscles. There were no significant difference in the MF of the vastus lateralis and rectus femoris between pre- and post-treatment, but the MF of the vastus medialis was significantly decreased (p<0.05). There was a significant difference in the vastus medialis and lateralis between pre- and post-treatment (p<0.05). Moreover, the overall stability index at post-treatment was significantly decreased compared to that at pre-treatment (p<0.05). But there was no significant difference between the anterior/posterior and medial/lateral stability indexes. Conclusion: The results of this study indicated that a CI technique of PNF had an effect to improve the balance and muscle activity in hemiplegic patients.

Keywords

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