The different effects of banana juice and sport drink on lactic acid among volleyball students in Surakarta
Ryan Rohmansyah
Postgraduate Programme of Clinical Nutrition, Universitas Sebelas Maret Surakarta. Email: [email protected]
Muchsin Dowes
Postgraduate Programme of Clinical Nutrition, Universitas Sebelas Maret Surakarta
Agus Kristiyanto
Postgraduate Programme of Clinical Nutrition, Universitas Sebelas Maret Surakarta
Khairul Imam
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Introduction: The response of lactic acid as a result of exercise in recent times has received considerable attention from physiologists, particularly in term of sports aspect. Lactic acid level is one of the most common measured parameter to determine the performance of athletes. Provision of supplements containing potassium for athletes is usually given such fruit juice or sport drink to prevent muscle fatigue. This study examined the effect of the banana juice and sport drinks to lactic acid in volleyball students.
Methods: The study was a randomized experimental trial using pre-post test with control group. The study populations were all volleyball students aged 15-17 years in Pundong Senior High School. The subjects divided into three equal group, 10 subjects in each group treated with either banana juice, sport drink and mineral water as a control group. Sampling was done by a double-blind method.
Results: The results of the paired sample T-Test showed a significantly difference of lactic acid levels by intervention with banana juice and sport drink compared to control group with mean difference the mean were 4.43, 3.59, 2.68 respectively (p<0.05).
Conclusions: Intervention of banana juice significantly decreased the lactic acid levels compared to sport drinks in volleyball students.
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