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應用心跳率控制指標於划船測功儀信效度之分析

Validity and Reliability of Heart Rate Control Index Applied on Rowing Ergometer

摘要


Purpose: to evaluate the validity and reliability of heart rate control (HRC) at 80%, 65%, 50% age-predicted HRmax and intensity variance index (IV(subscript HRC)) index, as well as optimal predictive model on rowing ergometer. Methods: Sixteen rowers (7 males and 9 females, 18.9±2.08 yrs, height: 167.7±7.83cm, weight: 63.1±8.16kg) were recruited to participate in an incremental test (VO2max and W(subscript peak) obtained), and a 2000m performance test (2000max). In addition, 2 trials of 2000m rowing at 80%, 65%, 50% HRmax at least 24hrs apart were also performed, and time to 500m, 1000m, 1500m and 2000m were recorded to obtain HRC index. Results: Intraclass correlation coefficient (ICC) analysis showed that HRC and IV(subscript HRC) at different intensity of HRmax have high test-retest reliability (ICC=0.89~0.99, p<.05), and there was no significant difference between 2 HRC trials. HRC at different intensities of HRmax in 2000m rowing trials showed significant correlation with 2000max (r=.81~.90, p<.05), VO2max (r=-.76~-.85, p<.05) and W(subscript peak) (r=-.80~-.85, p<.05). Moreover, IV(subscript HRC) at different intensities of HRmax were also correlated with 2000max (r=-.82~-.87, p<0.05), VO2max (r=.72~.81, p<.05) and Wpeak (r=.80~.84, p<.05); All of which showed both HRC and IVHRC have good concurrent validity. Simple linear and stepwise regression analysis indicated that HRC and IVHRC also have high predictive validity (R^2=0.63~0.89, p<.05) in 2000max assessment. Conclusion: HRC and IVHRC indices were valid and reliable in applying on rowing exercise, which can be applied in monitoring exercise intensity and predicting performance on rowing exercise.

並列摘要


Purpose: to evaluate the validity and reliability of heart rate control (HRC) at 80%, 65%, 50% age-predicted HRmax and intensity variance index (IV(subscript HRC)) index, as well as optimal predictive model on rowing ergometer. Methods: Sixteen rowers (7 males and 9 females, 18.9±2.08 yrs, height: 167.7±7.83cm, weight: 63.1±8.16kg) were recruited to participate in an incremental test (VO2max and W(subscript peak) obtained), and a 2000m performance test (2000max). In addition, 2 trials of 2000m rowing at 80%, 65%, 50% HRmax at least 24hrs apart were also performed, and time to 500m, 1000m, 1500m and 2000m were recorded to obtain HRC index. Results: Intraclass correlation coefficient (ICC) analysis showed that HRC and IV(subscript HRC) at different intensity of HRmax have high test-retest reliability (ICC=0.89~0.99, p<.05), and there was no significant difference between 2 HRC trials. HRC at different intensities of HRmax in 2000m rowing trials showed significant correlation with 2000max (r=.81~.90, p<.05), VO2max (r=-.76~-.85, p<.05) and W(subscript peak) (r=-.80~-.85, p<.05). Moreover, IV(subscript HRC) at different intensities of HRmax were also correlated with 2000max (r=-.82~-.87, p<0.05), VO2max (r=.72~.81, p<.05) and Wpeak (r=.80~.84, p<.05); All of which showed both HRC and IVHRC have good concurrent validity. Simple linear and stepwise regression analysis indicated that HRC and IVHRC also have high predictive validity (R^2=0.63~0.89, p<.05) in 2000max assessment. Conclusion: HRC and IVHRC indices were valid and reliable in applying on rowing exercise, which can be applied in monitoring exercise intensity and predicting performance on rowing exercise.

參考文獻


American College of Sports Medicine.(2006).ACSM's guidelines for exercise testing and prescription.Baltimore, Maryland:Lippincott Williams & Wilkins.
Bourdin, M.,Messonnier, L.,Hager, J. P.,Lacour, J. R.(2004).Peak power output predicts rowing ergometer performance in elite male rowers.International Journal of Sports Medicine.25(5),368-373.
Charlotte, K.,Pernille, K.,Sonya, M.,Bente, K. P.(2003).IL-6 gene expression in human adipose tissue in response to exercise-effect of carbohydrate ingestion.The Journal of Physology.550(6),927-931.
Cosgrove, M. J.,Wilson, J.,Watt, D.,Grant, S. F.(1999).The relationship between selected physiological variables of rowers and rowing performance as determined by a 2000 m ergometer test.Journal of Sports Sciences.17(11),845-852.
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