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    ANGIOGENIC REGULATORS DURING ALPINE SKIING TRAINING
    (Dokuz Eylul Univ Inst Health Sciences, 2024) Polat, Metin; Gunturk, Inayet; Demiryurek, Duran
    Purpose: The present study evaluates angiogenesis response through the determination of acute changes in hypoxia inducible factor 1 alpha, vascular endothelial growth factor, erythropoietin and endostatin levels measured after a single-session slalom and giant slalom trainings. Material and Methods: A total of 20 volunteer male athletes average age of 22.16 +/- 4.86 years with no health problems, and with international alpine skiing competition experience were included in the study. At the outset, the height, body weight and VO2max values of the volunteers was measured, and a giant slalom training lasting 2.5 hours was performed after a week on a giant slalom course. The volunteers were then asked not to exercise for a week, and slalom training was performed lasting 2.5 hours on a slalom course. The endostatin, erythropoietin, hypoxia inducible factor 1 alpha, and vascular endothelial growth factor levels of the volunteers were examined from 5 ml venous blood samples drawn into biochemistry tubes 20 minutes before and as soon as trainings over both the giant slalom and slalom Results: A significant increase was determined in the hypoxia inducible factor 1 alpha, vascular endothelial growth factor, erythropoietin and endostatin levels after both the giant slalom and slalom Conclusion: These increases observed in the angiogenesis markers suggests that a single-session giant slalom and slalom trainings induces angiogenesis responses.
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    The Effects of Extra Ventilation after Exercise on Recovery Process
    (KAMLA-RAJ ENTERPRISES, 2016) Polat, Metin; Hazar, Serkan; Keskin, Ahmet
    This study aims at accomplishing some applicable investigations into the issue of whether any voluntary extra ventilation applies during active recovery process, and also, if an exhausting exercise has any effect on recovery. Seven males participated in the study as volunteers. The volunteers were made to carry out exhausting exercises with incremental running test on treadmill, twice on different days. The active recovery process was traced on the treadmill for a period of 13 minutes, following the application of both exercises. Extra voluntary ventilation for a minute long was applied during the second exercise in addition to the first exercise, at the beginning of the recovery process, and at 4th, 8th, and 12th minutes. The amounts of mean VO2, VCO2, respiratory frequencies, oxygen saturation, lactic acid of the volunteers were determined during recovery process. The increase in VCO2 levels was determined to be significant. The increase at 4-5th, 8-9th, and 12-13th minutes on recovery respiratory frequency after the final testing was also determined to be significant. The decrease reported for the LA levels at 9th minute of recovery which was determined after extra ventilation application was found to be significantly different. There was a significant negative correlation between the LA levels at the 5th minute of the final testing, and respiratory frequency taken immediately after relevant exercises and 4th, 8th, and 12th minutes. It has been considered that the extra ventilation of 4 phases, each one minute, has put some positive influence on the recovery process, affecting VCO2 egression and LA removal.