Acute and Continuous Effects of Caffeine Consumption with Anaerobic Training on Anaerobic Performance, Body Composition and Serum Lactate Levels in Active Men
Subject Areas :Hossein Nikroo 1 , Kardokh Esmaeili 2 , Zahra Koohestani Sini 3 , Mohammad-Ali Kohanpour 4 , Mohammad Reza Dehkhoda Dehkhoda 5 , Saeed Rahmaty 6 , Sara Naeimi 7
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Abstract :
the purpose of this study was to compare acute and continuous effects of caffeine consumption with a four-week anaerobic training on anaerobic performance, serum lactate levels and body composition values in active men. The study design was a quasi- experimental one. Experimental and control groups were compared in the phases of pre-test and two post- tests. Thirty-two active male students performed a 400m-run and blood samples were collected 2 minutes later. Next day, Wingate test was conducted to assess anaerobic power. Then, all subjects were randomly divided into 2 groups: caffeine consumption (Experimental group) and placebo (Control group), performing a 4-week anaerobic exercise. Finally, blood samples have been collected like before; then, each group was divided into 2 subgroups (caffeine or placebo consumption for one day) and blood samples have been collected after a 400m-run again. Subjects also consumed either caffeine or placebo at a dose of 5 mg/kg of body weight. T-tests were used to analyze data, at a significance level of P<0.05. Four weeks Anaerobic training with and without caffeine consumption decreased the time of 400m-run and elevated serum lactate levels (p=0.001) (higher differences were observed in caffeine group), but had no significant effect on Wingate test results. Weight value only increased in Experimental group. Acute consumption of caffeine in placebo group also decreased the time of 400m-run and elevated lactate levels (p=0.001). Acute and continuous consumption of caffeine along with anaerobic exercise improved anaerobic performance; while increased serum lactate levels in active men.