Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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The Effect of Speed-Change Gait Training on Cardiopulmonary Function of Stroke Patients

속도변화 보행 훈련이 만성 뇌졸중 환자의 심폐기능에 미치는 영향

  • Seo, Dong-Yel (Department of Physical Therapy, Dongshin University) ;
  • Yang, Yong-Pil (Department of Physical Therapy, Dongshin University)
  • 서동열 (동신대학교 물리치료학과) ;
  • 양용필 (동신대학교 물리치료학과)
  • Received : 2021.01.26
  • Accepted : 2021.05.07
  • Published : 2021.05.31
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Abstract

This study examined the changes in the cardiopulmonary functions of stroke patients by adjusting the s heart rate during walking training. This study was conducted on 20 chronic stroke patients. The experimental group conducted walking training by varying the walking speed according to the change in heart rate on the treadmill. In contrast, the control group conducted walking training by the subjective speed of the subject. The walking training was conducted for 32 minutes, three times a week, for a total of six weeks. The changes after the intervention of the subjects were determined by measuring the VC, ERV, IRV, FVC, FEV1, and PEF. The study revealed interactions between the groups and timing in the VC, ERV, and IRV(p<.05). There were no interactions between the groups and timing in FEV1, FVC, and PEF. The main effects showed no significant differences between the groups (p>.05) but showed significant differences between periods (p<.05). These results suggest that the cardiopulmonary function was improved significantly when the training was conducted by changing the pace of the heart rate in the walking process, leading to significant changes in the cardiopulmonary function.

본 연구는 보행 훈련시 심박수의 변화에 따라 보행속도를 조절하여 뇌졸중 환자의 심폐기능의 변화를 알아보고자 하였다. 대상자는 만성 뇌졸중 환자 20명을 무작위로 실험군과 대조군으로 분류하여 연구를 진행하였다. 실험군은 심박수 측정기를 착용한 상태로 트레드밀에서 심박수의 변화에 따라 보행속도를 증가 또는 감소시키면서 보행훈련을 실시하였고, 대조군은 대상자의 주관적인 속도에 의해 보행훈련을 실시하였다. 보행훈련 사이에 10분 간격으로 1분씩 휴식시간을 부여했으며 주 3회씩 총 6주간 중재를 실시하였다. 대상자들의 중재이후의 변화를 살펴보기 위하여 폐활량(VC), 호기예비용적(ERV), 흡기예비용적(IRV) 노력성 폐활량(FVC), 1초간 노력성 호기량(FEV1), 최대 호기 속도(PEF)를 측정하여 심폐기능의 변화를 확인하였다. 연구결과 폐활량, 흡기예비용적, 호기예비용적에서 집단과 시기사이에서 상호작용을 나타내었으며 주효과인 집단 및 시기 간 유의한 차이도 나타났다(p<.05), 1초간 노력성 호기량, 노력성 폐활량, 최대 호기속도에서는 그룹과 시기사이에서 상호작용이 나타나지 않았다. 주 효과에서는 집단 간 유의한 차이를 보이지 않았으나(p>.05) 시기 간에는 유의한 차이를 보였다(p<.05). 연구결과 보행과정에서 심박수의 변화에 따라 속도를 변화시켜 훈련을 시행할 경우 심폐기능의 유의한 향상을 보인 것으로 보아 보행 훈련시 속도변화를 통해 훈련을 할 경우 심폐기능의 유의한 변화를 이끌어 낼 수 있을 것으로 판단된다.

Keywords

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