Jovan Jovanović

The focus of the research is the dynamics of blood glucose before and after high intensity exercise by basketball team players, 16 years of age and 18 years of age. The aim is to define the biochemical changes in blood glucose levels after physical stress of a high intensity. The study encompassed 24 subjects, 12, 16 year olds and 12, 18 year olds. The testing of submaximal physical strains of basketball players was conducted in the laboratory under the control and supervision of a doctor of sports medicine. The basketball players were tested using the Nowacki test on a treadmill with the direct measurement of the functional parameters of metabolic testing. The measurement of blood glucose levels was performed by taking a portable analyzer of capillary blood from the fingers of respondents. A blood sample was taken before the start of testing, when the payers were idle, and three minutes after the stress test. The comparative statistical analysis of the results showed a statistically significant difference in blood glucose after the first and second measurements. Blood glucose levels after the exercise test was increased in all subjects. The average value of the increase in the blood glucose level was 1.15 mmol/l. The level of increase in blood glucose levels is proportional to the duration of the test which was no longer than 15 min. per subject. The T-test determined the statistical significance of p = 0.00 which confirmed the results of previous studies.

Keywords: glucose, biochemistry, physical activity, basketball

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