The effect of red watermelon juice on the anaerobic muscle fatigue index during physical exercise

Permadi, M Rizal and Solikhah, Dyannatus and Iqbal, Muhammad and Damayati, Ratih Putri (2023) The effect of red watermelon juice on the anaerobic muscle fatigue index during physical exercise. Jurnal Gizi dan Dietetik Indonesia (Indonesian Journal of Nutrition and Dietetics), 11 (1). pp. 47-54. ISSN 2303-3045

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Abstract

Background: Fatigue is a common problem experienced by athletes, typically occurring during anaerobic activities due to high intensity and the need for quick energy. The administration of red watermelon juice (Citrullus lanatus) is expected to be able to reduce muscle fatigue. Objectives: The purpose of this study is to assess the effects of providing red watermelon juice on muscle fatigue. Methods: This study used a quasi-experimental design with a randomized post-test-only group with a crossover design by comparing the effects of delivering red watermelon juice to subjects. Subjects of this study were MCC (Meraih Cita Cita) tutoring members. The primary outcome was the index of anaerobic muscle fatigue that was measured by the Running-based Anaerobic Sprint Test (RAST). Data analysis was conducted using an independent t-test. Results: There was a difference in the index of anaerobic muscle fatigue in the treatment group 2.55, while in the control group 3.75. In this study, there was an increase in the category of muscle.fatigue index from an average of subjects having a fairly good category to a good category, and there was a significant difference in the treatment group and control group statistically (p=0.004). Conclusions: Red watermelon juice can reduce the rate of anaerobic muscle fatigue. Further research can examine the differences in anaerobic muscle fatigue index with lactate acid examination.

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