척수장애인의 연령, 척수손상수준, 운동능력수준에 따른 최대하 암에르고미터 운동시 혈압의 변화
Blood pressure response according to age, spinal cord injury lesion during submaximal exercise test with arm ergometer in male adults with spinal cord injury
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초록
척수장애인들은 안정시 혹은 운동시 불안정한 혈압을 나타내는 경향이 있다. 본 연구의 목적은 암에르고미터를 이용하여 점진적 운동부하시 척수손상레벨 및 연령과 운동능력수준에 따라 혈압의 변화에 대하여 알아보고자 한다. 본 연구의 목적을 달성하기 위하여 서울 및 수도권에 거주하고 있는 남자 척수장애인 29명을 본 연구의 대상으로 하였으며, 이들은 장애1-2급의 판정 이외의 특별한 질환을 가지고 있지 않은 30-59세 사이의 남자 척수장애인들이다. 피험자들에게 arm crank ergometer (Monak, USA)를 이용하여 초기 25W에서 시작하여 매 2분마다 15W씩 운동부하를 증가시키는 점증부하방법으로 최대하운동부하검사를 실시하였으며, 각 단계마다 15W를 올린 후 1분이 지난 후에 혈압 및 심박수를 측정하였다. 크랭크의 회전속도는 50-60rpm속도로 유지하도록 하였다. 이러한 절차를 통하여 다음과 같은 결과를 얻었다. 암에르고미터를 이용하여 점진적 운동부하검사 시 혈압을 측정한 결과 국가대표 척수장애인, 엘리트스포츠 척수장애인과 스포츠동호인 척수장애인의 수축기혈압이 점진적 운동부하에 따라 혈압이 점진적으로 상승되는 경향을 보인 반면 운동을 하지 않은 척수장애인은 2단계 혹은 3단계에서 수축기 혈압이 하강과 상승되는 불안정한 혈압의 경향을 보였다. 또한 최대하운동부하검사 지속시간을 측정한 결과, 국가대표 척수장애인이 가장 우수한 심폐지구력을 가졌으며, 그다음으로는 엘리트스포츠 척수장애인과 스포츠동호인 척수장애인, 비운동군순으로 심폐지구력이 우수한 것으로 나타났다. 또한 척수손상레벨, 연령, 운동능력수준에 따라 점진적 운동부하 암에르고미터운동시 수축기혈압의 변화 차이가 있었다.
Abstract
The purpose of this study was to assess the blood pressure response during continuous submaximal exercise test with arm ergometer in male adults with spinal cord injury. Twenty nine subjects(30-59aged) were evaluated in national players were 9(1 high thoracic : C1-T6 and 8 lower thoracic : T7-L5), elite players were 6(3 high thoracic and 3 lower thoracic), amateur players were 4 (1 high thoracic and 3 lower thoracic), non-exerciser were 10(6 high thoracic and 4 lower thoracic). they didn't have any disease except for SCI. All subjects performed with submaxial arm ergometer test that continuous exercise protocol was used, consisting of 2-min work staged, starting at 25 W, and work increased 15W. And Blood pressures and Heart rate were record when reached 1 minute at each stage. They had finished until subjects voluntarily terminated exercise due to arm fatigue, dyspmea, or other reason. The results were as follows; There weres shows that difference BP and heart rate at each stage in graded exercise, systolic pressure of national players, elite platers and amateur players showed tendency to increase when reached each stage but non-exerciser showed tendency to comedown when reached 2 or 3 stage. Also there was showed significant difference the continuous time among to national players, elite players and amateur players and non-exerciser of SCI with high thoracic and lower thoracic. There was showed that difference curve of systolic pressure according to level of lesion and exercise level.
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