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Exerc Sci > Volume 11(2); 2002 > Article

Exercise Science 2002;11(2): 483-494.

10주간 수영훈련이 트레드밀 운동시 ST분절의 하강에 미치는 영향

고성경

연세대학교

ABSTRACT

Ko, S.K. The Effects of the Swimming on ST Segment Depression during treadmill exercise. Exercise Science 11(2): 483-494, 2002. The purpose of this study was both to research the effect of swimming on ST segment depression during treadmill exercise and to evaluate the cardiovascular risk and the annual mortality after swimming training. Subjects were 18 middle aged women who were 23-45 years old and healthy. During the graded treadmill exercise testing, ECG was recorded and analysed ST segment position at V2 and V5 leads and then adjusted by HR(ST/HR slop, ST/HR index). HR and SBP were increased by exercise intensity but increasing amounts were lower after training than before training. Exercise duration and maximal oxygen consumption were significantly(p<.05) increased after training. In V2 and V5 leads, ST segment were depressed by exercise intensity, but that deviation were decreased after training. ST/HR slop and index also decreased by exercise intensity, and ischemic symptom was diagnosed in ST/HR slop. Duke treadmill score was significantly(p<.05) increased after training, but annual cardiovascular mortality was significantly(p<.05) decreased after training. These results indicate that ST/HR slop was more useful method for evaluation ischemic symptom during exercise than non-adjusted ST depression. and that cardiovascular disease risk and annual mortality were decreased by 10 weeks swimming.

Key words: swimming, ST/HR slop & index, Duke treadmill score