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NTIS 바로가기대한물리치료학회지 = The journal of Korean Society of Physical Therapy, v.25 no.5, 2013년, pp.266 - 272
김제호 (세한대학교 일반대학원 물리치료학과)
Purpose: The purpose of this study was to determine the influence of whole body vibration (WBV) exercise on balance and lower extremity muscle activity according to different intensity of vibration in stroke patients. Methods: Thirty subjects were randomly divided into three groups: experimental gro...
핵심어 | 질문 | 논문에서 추출한 답변 |
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뇌졸중은 어떠한 영향을 미치는가? | 뇌졸중은 뇌혈관이 막히거나 터짐으로 인해 뇌세포의 손상과 신경학적 기능 결손을 유발하며, 임상적 징후로는 의식장애, 감각장애, 운동장애 등을 보이며 독립적인 일상생활 동작의 수행에 제한을 초래한다.1,2 특히 감각-운동계(sensorymotor system)의 손상은 균형능력 저하를 야기시키며 균형 능력은 뇌졸중 환자의 독립적인 일상생활 동작의 성취와 퇴원 후 장애를 예측하는 중요한 인자이다. | |
균형이란 무엇인가? | 1,2 특히 감각-운동계(sensorymotor system)의 손상은 균형능력 저하를 야기시키며 균형 능력은 뇌졸중 환자의 독립적인 일상생활 동작의 성취와 퇴원 후 장애를 예측하는 중요한 인자이다.3 균형은 지지면 안에 중력 중심(center of gravity, COG)을 위치하도록 하는 자세 안정성을 유지하는 능력으로 뇌졸중 환자들은 부적절한 자세조절로 인해 균형능력이 감소되어 낙상과 같은 위험 요소에 노출되어 있다.4,5 또한 부적절한 자세조절은 균형능력의 감소와 함께 하지 근력의 약화, 근육 두께 및 운동단위 수의 감소를 나타낸다. | |
뇌졸중 환자의 운동의 양과 강도를 결정하는데 생기는 어려움을 해결하기 위한 방법은 무엇인가? | 최근 이러한 문제점을 해결하기 위해 저강도의 안전한 운동방법으로 전신진동운동이 소개되었고, 회복중인 근육과 뼈의 회복에 적용되고 있으며, 움직임의 제약이 있는 환자에게 효과적인 운동이라고 하였다.11 전신진동운동의 기전은 근육에 가해지는 기계적인 진동으로 근육방추의 일차 종말을 자극 하여 Ia 들신경들의 활동을 증가시켜 더 강한 알파운동신경의 출력을 유발하고, 운동단위의 동원률을 증가하여 더 강한 근수축을 유발한다. |
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