Recording soccer players’ heart rates during matches

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Abstract
The aim of this study was to examine the possibility of obtaining information about the heart rate and physiological load imposed on soccer players during a game. The study was conducted on 27 soccer players, 9 each from semi‐professional, university and recreational soccer teams. Players from all positions (attack, midfield and defence) were selected for the study. Each subject's heart rate was monitored during a match using a short‐range radio telemetry (Sport TesterTM PE3000), and was sampled at 5‐s intervals. The results indicate that it is possible to monitor successfully the heart rate of players with such equipment. The mean heart rate and standard deviation for each player during match play were: semi‐professional players (172 ± 12, 176 ± 9 and 166 ± 15 for forwards, midfielders and defenders, respectively); university players (171 ± 13, 173 ± 10 and 156 ± 13 for forwards, midfielders and defenders, respectively); and recreational players (173 ± 13, 170 ± 12 and 162 ± 13 for forwards, midfielders and defenders, respectively). Analysis by playing position revealed that midfield and forward players has a greater mean heart rate during a game than defensive players. To examine the suitability and accuracy of the two methods of obtaining objective data on heart rate, comparisons were made between the Sport TesterTM PE3000 and a standard electrocardiograph (ECG) telemetry technique. The results show that both techniques produce similar results; the former was the more convenient. In the light of the experiences gained in this study, the researchers would recommend the use of short‐range radio telemetry (Sport TesterTM PE3000 system) to accumulate heart rate data in match situations. Further studies should be conducted, involving a larger number of subjects of all standards of the game, including juvenile players, to give a better indication of the physiological demands of the game at all levels.