Korean Journal of Applied Biomechanics (한국운동역학회지)

Korean Society of Applied Biomechanics (한국운동역학회)
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The Comparison of Symmetry of Vertical Ground Reaction Force on Pattern of Sit to Stand in the Chronic Stroke Patients

만성뇌졸중 환자의 일어서기 자세에 따른 수직지면반발력의 대칭성의 비교

  • Shin, Hwa-Kyung (Department of Physical Therapy, College of Medical Science, Catholic university of Daegu) ;
  • Jung, Jin-Woo (Department of Physical Therapy, College of Medical Science, Catholic university of Daegu) ;
  • Kim, Youn-Joung (Department of Physical Therapy, College of Medical Science, Catholic university of Daegu)
  • 신화경 (대구가톨릭대학교 의료과학대학 물리치료학과) ;
  • 정진우 (대구가톨릭대학교 의료과학대학 물리치료학과) ;
  • 김연정 (대구가톨릭대학교 의료과학대학 물리치료학과)
  • Received : 2013.07.30
  • Accepted : 2013.09.25
  • Published : 2013.09.30
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Abstract

The purpose of this study is to evaluate the influence of posture elements on symmetrical weight bearing during STS (sit-to-stand) in patients with chronic stroke. The subjects were patients diagnosed with stroke: a total of 24 patients (16 males and 8 females) participated in this study. All the participants performed STS tasks(3 foot postures and 2 arm postures). Two force plates (AMTI) were used to measure the peak vertical ground reaction force(Peak Fz) and the symmetrical ratio to peak vertical ground reaction force. The data were analyzed using independent t-test and 2-way repeated analysis of variance. The results of this study were as follows: 1) The peak Fz placed more weight on the paretic leg during STS and 2) The symmetrical ratio to the peak Fz showed a significant difference according to the foot and arm posture (p<.05), and had the highest AYM_GA ($0.87{\pm}0.12$). These results indicate that arm and leg postures during STS in patients with chronic stroke had the highest AYM_GA. We believe that the outcome of this study will be a reference for the prognosis of STS in patients with stroke.

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References

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