구섬성 , 원섬성, 등척성 운동방법에따른 혈압과 심박수의 변화
Blood Pressure and Heart Rate Responses to Concentric, Eccentric, Isometric Exercises
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The purpose of this study is to deterrnine cardiovascular reponses to concentric, eccentricand isometric exercise applied to the knee extensor muscle group. Exercise types studiedwere concentric, eccentric and isometric. The subjects were sixty healthy male volunteerswho had no hypertension or cardiac disease. Heart rate, systolic and diastolic bloodpressure were recorded prior to starting exercise. The subjects also performed 10RM onright lower extremity. A N-K table was used for three exercises to right knee extensors. Each exercise was selected randomly and applied to each subject 10 times in a 10 second. Mter each exercise, heart rate, systolic and diastolic blood pressure were recordedimmediately. Findings were as follows concectric contractions had a greater effect onthe increase of systolic blood pressure and heart rate than eccentric or isometriccontractions. Diastolic blood pressure is influenced only by isometric contractions. Eccentric contractions have less effect on the increase of systolic blood pressure and heartrate than concentric or isometric contractions. We hope that the results of this experimentcan be adapted to exercise programs for patients with cardiac disease.
Abstract
The purpose of this study is to deterrnine cardiovascular reponses to concentric, eccentricand isometric exercise applied to the knee extensor muscle group. Exercise types studiedwere concentric, eccentric and isometric. The subjects were sixty healthy male volunteerswho had no hypertension or cardiac disease. Heart rate, systolic and diastolic bloodpressure were recorded prior to starting exercise. The subjects also performed 10RM onright lower extremity. A N-K table was used for three exercises to right knee extensors. Each exercise was selected randomly and applied to each subject 10 times in a 10 second. Mter each exercise, heart rate, systolic and diastolic blood pressure were recordedimmediately. Findings were as follows concectric contractions had a greater effect onthe increase of systolic blood pressure and heart rate than eccentric or isometriccontractions. Diastolic blood pressure is influenced only by isometric contractions. Eccentric contractions have less effect on the increase of systolic blood pressure and heartrate than concentric or isometric contractions. We hope that the results of this experimentcan be adapted to exercise programs for patients with cardiac disease.