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Revista Brasileira de Medicina do Esporte

Print version ISSN 1517-8692


GOBATTO, Claudio Alexandre; MENDONCA, Ednilson Régis  and  MATSUSHIGUE, Karin Ayumi. Responses of blood lactate and heart rate on two different car race events. Rev Bras Med Esporte [online]. 2000, vol.6, n.1, pp.29-34. ISSN 1517-8692.

The purpose of the study was to characterize and to evaluate the athlete's conditions during two different car race events. A professional pilot was submitted to tests in the international race track of Interlagos - Brazil. Blood lactate and blood glucose were determined before and after the races (formulas Corsa and Kart), held on different days. The heart rate (HR) was registered every fifteen seconds and five seconds during the competitions, respectively. The races were filmed, aiming at the synchronization among the race events and the HR recordings. The aerobic conditioning of the pilot was determined through the anaerobic threshold in a standardized field test. The results of the blood lactate at the end of the races point to different intensities between the two races, F-Kart being higher than F-Corsa. There was correlation between HR and the blood lactate and this suggests that the HR, at least in that experienced pilot, is not altered by the stress of the modality. The response of the HR may be related to the physical effort and anxiety to win just as in any other sport.

Keywords : Lactate; Heart rate; Race car; Anaerobic threshold.

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