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    Effect of acute and chronic submaximal exercise on plasma renin and aldosterone levels in football players
    (IOS PRESS, 2011) Patlar, Suleyman
    This study aimed to examine effects of acute and chronic submaximal exercise on plasma renin and aldosterone levels in football players. Seven apparently healthy, male footballer subjects took part in the study. The subjects were exercised on ergometric bicycles for 20-min at 75% of Max VO2, 3 days a week for 4 weeks. Blood samples were collected on 4 occasions: before the exercise, immediately after the exercise, as well as 2 hours and 24 hours after the exercise. Plasma renin and aldosterone levels (RIA) were measured. Exercise significantly increased plasma renin and aldosterone levels of the athletes before and after the exercise (p < 0.05). The levels at the 2nd hour following exercise dropped significantly in comparison to those immediately after the exercise (p < 0.05). Plasma values one day after the exercise were significantly lower than those after the 2nd hour (p < 0.05). Consequently, acute and 4-week chronic submaximal exercise have significant effects on plasma renin and aldosterone levels in football players (p < 0.05).
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    Effect of Acute Submaximal Exercise on Plasma Renin and Aldosterone Levels in Sedentary People
    (ASIAN JOURNAL OF CHEMISTRY, 2009) Patlar, Suleyman
    This study aimed to examine how acute submaximal exercise affected plasma renin and aldosterone levels in sedentary people. The study registered 7 healthy male sedentary subjects whose mean age was 23.00 +/- 1.29 years and mean body weight was 74.00 +/- 10.19 kg. Before starting the trial, the subjects were put on an A strand Bicycle Ergometer test to identify Max VO(2) and above the threshold heart rates. The subjects with above the threshold he-art rates were exercised on ergometric bicycles for 0.5 h at 70% of Max VO(2). Blood samples were collected from the subjects before beginning the experiment. Second round of blood samples were collected immediately after the exercise ended. Third and fourth rounds of blood samples were collected after 2 and 24 h of exercise, respectively. Plasma renin and aldosterone levels were measured in the collected samples (using RIA method). Renin and aldosterone levels measured immediately after exercise were significantly higher than those before exercise, as well as those 2 and 24 h after exercise (p < 0.05). Renin and aldosterone levels 2 h after exercise did not differ from pre-exercise levels. The lowest renin and aldosterone levels were found in the measurements performed 24 h after exercise (p < 0.05). Results of the study demonstrate that acute submaximal exercise brings about significant changes in renin and aldosterone levels of sedentary people.
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    The Effect of Glycerol Supplements on Aerobic and Anaerobic Performance of Athletes and Sedentary Subjects
    (ACAD PHYSICAL EDUCATION-KATOWICE, 2012) Patlar, Suleyman; Yalcin, Hasan; Boyali, Ekrem
    The purpose of this study was to evaluate the effect of glycerol supplementation on aerobic and anaerobic exercise performance in sedentary subjects and athletes. The glycerol supplement treatments were as follows: 40 volunteers were selected and divided into two groups, sedentary and exercise groups. These two groups were further subdivided into two groups. The first group, the placebo (S), only consumed water; the second group (GS) consumed glycerol followed by water. Neither of these groups did any exercise for 20 days. The third and fourth groups consisted of the exercise group subjects; they were required to perform a 20-m shuttle run test every day for 20 days. The third group's subjects, the placebo (E), only consumed water. The last group (GE) consumed glycerol followed by water. The Astrand Cycle Ergometer Test (ACET) was performed, and the Cosmed K4b(2) portable gas analysis system was used to determine the aerobic capacity, while the Wingate Anaerobic Power Test (WAPT) was performed to determine the level of anaerobic power. The 20 Meter Shuttle Run Test (20MSRT) was performed after glycerol supplementation throughout the 20 days, and the exercise periods and distances were recorded. The glycerol supplement was found to have an increasing effect on aerobic and anaerobic performance in GS, E and GE. A similar effect was found for the covered distances and time in the same groups. However, an adverse effect was found on body weight.