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Agility is an important aspect in futsal because it plays a role in the player's ability to make quick movements and changes of direction. Two types of exercises commonly used to improve agility are shuttle runs and zig-zag runs; however, the effectiveness of each exercise has not been clearly determined. Therefore, this study was conducted to determine the difference in the effects of shuttle run and zig-zag run exercises in improving the agility of futsal players at Tunas Muda Eleven. Research Design: This study used a quasi-experimental method with a pre-test and post-test design. A total of 22 male futsal players aged 13–15 years were divided into two groups. Group 1 received shuttle run training and Group 2 received zig-zag run training for 3 weeks, 4 sessions per week, with a total of 12 training sessions. Agility was measured using the Agility T-Test before and after the intervention. Results: Both shuttle run and zig-zag run training significantly improved agility scores (p < 0.05). But Independent Sample T-Test showed no significant difference between shuttle runs and zig-zag runs (p > 0.05). Conclusion: there was no difference in the effect of the two exercises on the agility of futsal players at Club Eleven.

Futsal is a high-intensity team sport that requires a combination of speed, agility, and physical endurance, particularly cardiorespiratory endurance. Cardiorespiratory endurance is crucial because it directly relates to a player's ability to maintain optimal performance throughout a match, particularly when facing fast-paced and stressful play. Therefore, variables that can influence this ability, such as body composition and nutritional status, are crucial in developing athlete performance. One indicator that can be used to measure nutritional status and body composition is the Body Mass Index (BMI), which is obtained by measuring weight and height. BMI not only reflects whether a person is within the ideal weight range but also potentially influences the efficiency of the body's organs, including the cardiovascular and respiratory systems. In the context of futsal, players with a higher BMI tend to have a higher body weight, which can hinder movement efficiency and increase fatigue during matches. Conversely, players with a lower BMI may have insufficient energy reserves and muscle mass to maintain stamina during matches. This study shows a significant negative relationship between BMI and cardiorespiratory endurance in futsal players at Bali International University. The results of statistical tests using the Spearman rank correlation method showed a correlation coefficient (r) of -0.504 with a significance value of p = 0.005. This indicates that the higher a player's BMI, the lower their cardiorespiratory endurance tends to be. These findings support the importance of ideal body weight management in futsal athlete training, both through dietary adjustments and measured physical exercise programs.

Sports are an important physical activity to engage in, but they can also lead to issues such as injuries, particularly for futsal players. The risk of injury is higher in sports that involve physical contact with opponents, such as futsal, and athletes who have experienced injuries may experience anxiety. This research used a cross-sectional design and a descriptive research methodology. The sample consisted of 18 respondents obtained through purposive sampling. Data analysis techniques used descriptive percentages. The results of the study showed that the anxiety levels of the respondents were categorized as “very low” 0 (0%), “low” 7 players (39%), “moderate” 3 players (16%), ‘high’ 7 players (39%), and “very high” 1 player (6%). Based on the average value of “27.11,” the anxiety level of UNESA futsal players falls into the “moderate” category. The injury levels of the respondents were as follows: “Level 1 injury” for 5 respondents (28%), “Level 2 injury” for 11 respondents (61%), and “Level 3 injury” for 2 respondents (11%). The injury levels of the respondents were categorized as “Level 2 Injury.” The conclusion of this study is categorized as “Moderate” with a percentage of 27.11%.