Effect of Six Sessions of High Intensity Interval Training on Levels of Hypoxanthine, Xanthine, Hypoxanthine-Guanine phosphoribosyltransferase (HGPRT) and Serum Uric Acid in active young men
Introduction and objectives: long-term sport and physical activity results in compatibility in maintaining purine derivatives but the compatibility achieved within a few sessions is not well investigated. This study aimed to investigate the effect of a 30-seconds high intensity interval training on Hypoxanthine, xanthine, hypoxanthine-guanine phosphoribosyltransferase (HGPRT) and serum uric acid in young college men.
Methods: In this study, 18 untrained healthy men were divided into two control and training groups after homogenization based on their personal characteristics. Training included six sessions (every other day for two weeks) with different intervals (4, 7, 6, 6, 5 & 4, respectively) with a fixed four-minute rest between each interval, and with a constant load of .6 on the cycle-ergometer. Blood samples were taken before and 48 hours after the last training session, and were used to analyze hypoxanthine, xanthine, uric acid, and serum HGPRT. Statistical analysis was performed using analysis of covariance (ANCOVA).
Results: The results showed that high-intensity interval training for two weeks did not cause significant changes in serum HGPRT (P = .73); likewise, the increase in serum hypoxanthine (P = .170) and serum xanthine (P = .170) was not statistically significant but significant reduction was observed in serum uric acid (P = .025).
Discussion and conclusion: The results of this study indicated that two-week HIIT training is likely to enhance athletic performance and recovery of purine nucleotide cycle.
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