Gambaran Persentase Massa Otot, Asupan Cairan Latihan, dan VO₂Max pada Atlet Sepak Bola Usia 17-18 Tahun di Klub Putra Mumbulsari

Putri, Anisah Nabilah Ayuning (2026) Gambaran Persentase Massa Otot, Asupan Cairan Latihan, dan VO₂Max pada Atlet Sepak Bola Usia 17-18 Tahun di Klub Putra Mumbulsari. Undergraduate thesis, Politeknik Negeri Jember.

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Abstract

Soccer requires excellent physical condition, including good aerobic capacity (VO₂Max), adequate muscle mass, and sufficient fluid intake during training. This study aimed to determine the percentage of muscle mass, fluid intake during training, and VO₂Max among 17-to 18-year-old soccer athletes at the Putra Mumbulsari Club. This study is a descriptive study with a cross-sectional design conducted in April 2026, involving 23 athletes selected using total sampling. The percentage of muscle mass was measured using a Tanita BC-541 BIA; fluid intake was assessed through interviews using a modified fluid intake form before, during, and after exercise; and VO₂Max was measured using the Bleep Test. This study is a descriptive study with a cross-sectional design conducted in April 2026, involving 23 athletes selected using total sampling. The percentage of muscle mass was measured using a Tanita BC-541 BIA; fluid intake was assessed through interviews using a modified fluid intake form before, during, and after exercise; and VO₂Max was measured using the Bleep Test. Data were analyzed univariately using SPSS version 24.0. The results showed an average muscle mass percentage of 34.10 ± 3.19%, classified as “good.” The average fluid intake during the exercise period was 1,843.47 ± 467.91 ml, classified as “inadequate”; intake before exercise (651.55 ± 161.31 mL) and after exercise (588.87 ± 219.45 mL) were classified as good, while intake during exercise (603.04 ± 366.10 mL) was classified as insufficient. The average VO₂Max value was 41.35 ± 6.06 ml/kg body weight/minute, classified as “good.” The conclusion of this study is that the majority of 17–18-year-old soccer players at the Putra Mumbulsari Club have muscle mass percentages and VO₂Max in the “good” category; however, fluid intake during the training period is still considered insufficient, particularly during the training phase, thus requiring improvements in fluid intake management for these athletes.

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