PENGARUH EFEKTIFITAS PEMBERIAN VITAMIN C DAN KAFEIN TERHADAP TINGKAT KELELAHAN OTOT SAAT MELAKUKAN AKTIVITAS FISIK MAHASISWA STKIP MB

Titis Wulandari; Jhony Hendra

doi:10.24036/sporta.v6i2.185

Titis Wulandari STKIP Muhammadiyah Muara Bungo
Jhony Hendra STKIP Muhammadiyah Muara Bungo

DOI: https://doi.org/10.24036/sporta.v6i2.185

Keywords: Caffeine, Muscle Fatigue Level, Vitamin C

Abstract

Strenuous physical activity or ball sports can increase oxygen consumption in the body 10-20 times and 100-200 times in muscles. Increased use of oxygen due to increased activity can increase the production of radicals that can affect the performance of muscle activity marked by a decrease in hemoglobin (Hb). The purpose of the study was to determine the effect of effectiveness of vitamin C and caffeine on hemoglobin levels in maximal physical activity (muscle fatigue). The type of research conducted is quasi-experimental research. Sample testing was carried out at the Talang Pantai Soccer Field and hemoglobin levels were tested at Puskesmas 2 Muara Bungo. This study measured hemoglobin levels before and after consuming 90 mg of vitamin C and 90 mg of caffeine after playing soccer for 45 minutes. The data obtained in the form of hemoglobin levels were analyzed statistically by Analysis of Variance (ANOVA) with a test level of 5%. The results showed that there was an effect of hemoglobin between the control group and the treatment group. This is evidenced by the value of F_h= 6.795 with a sig value of 0.13, the alternating hypothesis (H₁) is accepted if the sig value is <0.05 because the sig value is 0.13> 0.05, so that the null hypothesis (H₀) is rejected, meaning that there is an effect of caffeine administration on hemoglobin between the groups before caffeine administration and after caffeine administration. Meanwhile, the vitamin C test showed that there was an effect of hemoglobin between the control group and the treatment group. This is evidenced by the value of F_h= 0.029 with a sig value of 0.97, the alternating hypothesis (H₁) is accepted if the sig value is <0.05 because the sig value is 0.97> 0.05 so the null hypothesis (H⁰) is rejected, meaning that there is an effect of vitamin C administration. on hemoglobin between groups before administration of caffeine and after administration of vitamin C.

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