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EFFECTS OF ACUTE PRE-EXERCISE GLICEROL SUPLEMENTATION ON LACTATE AND MAXVO2

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Author(s): Çiğdem ÖZTÜRK | Burhan ÇUMRALIGİL | Oktay ÇAKMAKÇI

Journal: Beden Egitimi ve Spor Bilimleri Dergisi
ISSN 1307-6477

Volume: 6;
Issue: 1;
Start page: 9;
Date: 2012;
Original page

Keywords: Exercise | Glycerol | MaxVO2 | Lactate

ABSTRACT
This study aims to investigate the effects of acute pre-exercise glycerol loading (GL) on including lactate and maximum aerobic power. In this study, 10 healthy elite athletes with a mean age of 18.20±0.61 years, with a mean body height of 178.20±1.78 cms, with a mean body weight of 65.17±2.049 kgs and 10 healthy sedentars from different profession groups with a mean age of 19.70±0.47 years, with a mean body height of 169,10±2.22 cms and with a mean body weight of 71.09±1.87 kgs, totally 20 males were used as subjects. On the first day of the research, blood samples were taken from ear lobe for lactate measurement and from analysis before the shuttle run test. On the second day, after loading 1gr/kg-1 glycerol mixed with water to the subjects two hours before testing, max VO2 was determined by using shuttle run test in both groups. Statistical analyzes were conducted by SPSS. Mean values of standard deviations were calculated. The independent t-tests were used to determine the differences between two groups. Also, paired t-tests were performed to determine the differences within groups. Results of this study indicated that max VO2 of experiment and control groups were found higher after loading at 0.05 significance level. Max VO2 of experiment group was significantly higher than controls. Lactate levels were increased after exercise and GL (p≤0.05). Control group had a significantly higher lactate level than experiment group but there was no statistical significant difference between two groups after glycerol loading. As a result, there is a significant effect of acute pre-exercise glycerol loading on maximum aerobic power whereas no significant effect on the lactate may be partly due to the amount of glycerol and the time of loading.
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