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  • Author or Editor: Nikolett Szénási x
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Acta Biologica Hungarica
Éva Tékus
Mónika Kaj
Edina Szabó
Nikolett Szénási
Ildikó Kerepesi
Mária Figler
R. Gábriel
, and
Márta Wilhelm

Several studies have described high correlation of salivary and blood lactate level during exercise. Measuring the effectiveness and intensity of training, lactate concentration in blood, and lately in saliva are used.The aim of our study was to evaluate the correlation between the concentration and timing of salivary and blood lactate level in endurance athletes and non-athletes after a maximal treadmill test, and to identify physiological and biochemical factors affecting these lactate levels.Sixteen volunteers (8 athletes and 8 non-athletes) performed maximal intensity (Astrand) treadmill test. Anthropometric characteristics, body composition and physiological parameters (heart rate, RR-variability) were measured in both studied groups. Blood and whole saliva samples were collected before and 1, 4, 8, 12, 15, 20 min after the exercise test. Lactate level changes were monitored in the two groups and two lactate peaks were registered at different timeperiods in athletes. We found significant correlation between several measured parameters (salivary lactate — total body water, salivary lactate — RR-variability, maximal salivary lactate — maximal heart rate during exercise, salivary- and blood lactate −1 min after exercise test). Stronger correlation was noted between salivary lactate and blood lactate in athletes, than in controls.

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