Comparison ofheart rate responses of young football players in official matches with physical tests
Abstract
The objectives of this study were to evaluate and compare the responses of heart rate (HR) in youth football players in official matches with those found in intermittent maximal test and also with two equations for predicting maximum HR (HRmax) commonly used. Seventeen athletes from the state level (16.3± 0.7years) participated and were divided into 2 groups: 1 (G1) who attended the matches in fulland 2 (G2) consisted of players who were substituted for 3 competitive games champions hip state wide. On days separated by at least 96 h the FC of athletes were recorded through heart monitors (PolarTeam System®) during the test YO-YO Intermittent Recovery Level 2 (YY2) and in 3 games with the purpose of considering the maximum obtained in these situations. Moreover, the prediction equations of HR max 220 -age (FC220) and 208-0.7 x age (TNK) were used for comparisons. The results showed that there was no difference (p>0.05) between the game and the equation HRpeak TNK. Allother data (FC220 vs. HRpeak vs. YY2) differed significantly (p <0.05) between them. We conclude that the equation TNK (HRmax = 208-0.7 x age) is the closest to the maxima (peaks) obtained in games and therefore more appropriate to estimate this parameter in young football players.
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