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标题：Identification and Concordance of the Heart Rate Deflection Point and Heart Rate Variability Threshold Determined by Different Parameters in the 20 m MultiStage Fitness Test
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作者：Vitor B. Nascimento ; Vitor B. Nascimento ; Raul Osiecki 等
期刊名称：Journal of exercise physiology online
印刷版ISSN：1097-9751
出版年度：2012
卷号：15
期号：2
页码：55-63
语种：English
出版社：American Society of Exercise Physiologists
摘要：Nascimento VB, Osiecki R, Redkva PE, Gomes EB, Salgueirosa FM, Daros LB, Osiecki AC, Kaminagakura EI. JEPonline 2012;15(2):55-63. The purpose of this study was to identify the variability threshold determined by different parameters and the Conconi Threshold (HRDP) in a 20 m Shuttle Run Test, describing the concordance between these aerobic indexes. The subjects consisted of professional soccer players. The 20 m shuttle run test was used. The criteria for determining the heart rate variability threshold (HRVT) were the breaking of linearity SD1; breaking of linearity in SD1/SD2; first stage in the curve decrease in which the difference between the SD1 in two consecutive stages is less than 1 ms; breaking of linearity HFpeak x HFms². The HRDP was determined by the breaking of linearity in the heart rate curve. All criteria of HRVT demonstrated a moderately significant correlation with HRDP (r=0.73). However, only the HRVTSD1 presented concordance with HRDP (bias=0.24 km·h -1 , P=0.245). The main finding of this study was the demonstration of association between the non-invasive determination of anaerobic threshold in a field test as well as the evidence of agreement between the method HRVTSD1 with the HRDP in soccer players.
关键词：Heart Rate Variability;Heart Rate Variability Threshold, Conconi Threshold;Soccer