NEW APPROACH TO ANALYSIS AND INTERPRETATION OF CURRENT POST-EXERCISE BLOOD COMPOSITION CHANGES IN HIGHLY TRAINED ATHLETES (IN THE CONTEXT OF CANOEING)
The primary purpose of the work was to enhance diagnostic utility for biochemical and morphological parameters of blood composition in terms of ongoing monitoring of highly trained and elite canoeists. comparative analysis of the mean values of the selected parameters (daily morning measurements with 2 training sessions per day and equal post-exercise interval of 14 hours), were performed; calculations of centile gradations of the said parameters with different post-exercise intervals (14 and 44 hours), evaluation of detection rate for the analyzed criteria indicative of post-exercise under-recovery of functional state of organism in athletes. Involved in the monitoring were 19 highly trained and elite male canoeists at the ages from 21 to 33 years, among them 7 Merited Masters of Sports, 6 Masters of Sports of International level and 6 Masters of Sports. The studies were performed repeatedly (up to 25 times) within a span of 3 years, after an overnight fast. The registered parameters were as follows: contents of hemoglobin, urea, cortisol, total testosterone - 275 measurements for each parameter, total protein - 242 measurements, hematocrit - 274 measurements, activity of alanine aminotransferase, aspartate aminotransferase, creatine phosphokinase - 275 measurements for each parameter. The studies found that for purposes of recovery assessment it is more reasonable to use as reference aspartate aminotransferase activity (with postexercise interval of 14 hours) as well as aspartate aminotransferase activity, creatine phosphokinase activity and, to a lesser degree, content of cortisol in blood (with post-exercise interval of 44 hours).Analysis of centile gradations for the parameters under study revealed also that values of a number of relevant blood parameters (hematocrit, contents of hemoglobin and testosterone) are far from optimum ones for the athletes of such a level in fairly large percentage of measurements.