지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.2
- 수록면
- 803 - 811 (9page)
- DOI
- 10.51979/KSSLS.2013.02.51.803
이용수
초록· 키워드
오류제보하기
The acute bout of vigorous exercise has been suggested to incre ase the risk of cardiac events, particularly in morning. The aim of this research was to evaluate the effect of time of day on cardiac autonomic responses to hard exercise, reflected by heart rate variability(HRV). On four occasions, 8 young (20.5±0.7years) healthy males exercised, in random order, on a cycle ergometer at 6:00～7:00, 11:00～12:00, 15:00～16:00, 20:00～21:00h each followed by five min of active recovery. Electrocardiogram data were collected for 5 min periods in the sitting position, at rest before and after each exercise bout. Measures of heart rate variability, obtained from both time-and frequency domain analysis of 5 min ECG recording were as follows: mean RR interval and its standard deviation(SDNN), the root mean square of successive differences(RMSSD), the low and high frequency components which were calculated as normalized units and their ratio(LF/HF ratio). Analysis of heart rate variability revealed a significant increase in sympathetic activity and a significant decrease in parasympathetic activity (P=0.05) following each exercise bout. Although measures of HRV we re not significantly different between exercise trials. HRV variables were associated with higher shifts during the early and morning exercise. These results suggest that exercise when performed in the afternoon and evening periods may be effective in minimizing exercise-induced cardiac sympathovagal dysfunction.
목차
등록된 정보가 없습니다.
참고문헌 (40)
참고문헌 신청
1. [단행본] - American College of Sports Medicine / 2000 / ACSM’s guidelines for exercise testing and prescription / Lippincott Williams and Wilkins : 154 ~ 158
2. [학술지(정기간행물)] - Adamson, P. B. / 2001 / Early autonomic and repolarization abnormalities contribute to lethal arrhythmias in chronic ischemic heart failure : characteristics of a novel heart failure model in dogs with postmyocardial infarction left ventricular dysfunction / J Am Coll Cardiol 37 : 1741 ~ 1748
3. [학술지(정기간행물)] - Albert, C. M. / 2000 / Triggering of sudden death from cardiac causes by vigorous exertion / N Engl J Med 343 : 1355 ~ 1361
4. [학술지(정기간행물)] - Atkinson, G. / 1996 / Circadian variation in sports performance / Sports Med 21 : 292 ~ 312
5. [학술지(정기간행물)] - Billman, G. E. / 2002 / Aerobic exercise conditioning : a nonpharmacological antiarrhythmic intervention / J Appl Physiol 92 : 446 ~ 454
2. [학술지(정기간행물)] - Adamson, P. B. / 2001 / Early autonomic and repolarization abnormalities contribute to lethal arrhythmias in chronic ischemic heart failure : characteristics of a novel heart failure model in dogs with postmyocardial infarction left ventricular dysfunction / J Am Coll Cardiol 37 : 1741 ~ 1748
3. [학술지(정기간행물)] - Albert, C. M. / 2000 / Triggering of sudden death from cardiac causes by vigorous exertion / N Engl J Med 343 : 1355 ~ 1361
4. [학술지(정기간행물)] - Atkinson, G. / 1996 / Circadian variation in sports performance / Sports Med 21 : 292 ~ 312
5. [학술지(정기간행물)] - Billman, G. E. / 2002 / Aerobic exercise conditioning : a nonpharmacological antiarrhythmic intervention / J Appl Physiol 92 : 446 ~ 454
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