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πŸ“ Nitric Oxide And Lactate Responses To Maximal Intermittent Acute Exercise

Nitric oxide (NO) is a gas with vasodilator and metabolic regulator properties. The present study aimed to examine the relation between NO and lactic acid, and NO difference in acute anaerobic and aerobic loads in aerobic and anaerobic exercise groups. Three groups participated in this study; each group consisted of 11 men with similar physical characteristics. The groups consisted of swimmers as the aerobic group (AeG), volleyball players as the anaerobic group (AnG), and control group (CG). Participants were given 3 acute exercise phases in the scope of lactate minimum speed test (LMSt). NO and lactic acid measurements were taken at particular phases in LMSt. Lactate minimum speed values of AeG (11.5Β±1.1 kmΒ·h-1) were significantly higher than those of the CG (p<0.05). Significant decrease (25.6%) was found in the NO levels in AeG after the Wingate test (p<0.05). The difference between NO values after Wingate test and recovery NO (Ξ”WNO) in AeG was significantly greater than that of AnG and CG (p<0.05). AeG NO value following the reloading phase was greater (p>0.05; 9.2%) than the base NO. Additionally, contrary to the AnG, an increase was observed in Ξ”NOlevel during active recovery and in NO level after the reloading phase in AeG. Also, lactate elimination level of the aerobic group was higher than the other groups. As a result; these findings show the role of a more active lactate elimination capacity since NO levels in the aerobic group are higher than the other groups following a maximal intermittent exercise.

Updated on August 11, 2020

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