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Futsal is a sport with a team system which is very popular among Indonesian people, especially men. This can be seen from the many futsal competitions from early childhood, student, student, general and amateur to professional levels. Futsal competitions at student level involve teams from schools to show their best game. There are many factors that can influence a player's performance on the field, one of which is self-confidence. Self-confidence is a person's belief in their own ability to achieve goals or face challenges. The level of self-confidence is influenced by internal and external factors. It is not possible for a person to immediately gain high self-confidence, but it is necessary to practice and increase the number of hours of competition to increase a person's maximum level of self-confidence. This research was motivated by researchers who wanted to know the level of self-confidence of futsal extracurricular members at SMAN 4 Madiun. The results of this research obtained a mean of 78.96, a median value of 78, a mode value of 75 and a standard deviation value of 11.197. Also obtained was a minimum score of 59 and a maximum score of 104. So it can be concluded that the futsal extracurricular members of SMAN 4 Madiun have a level of self-confidence in the "High" category. With these results, the futsal extracurricular members of SMAN 4 Madiun were declared able to display their best performance in the match without hesitation and full of confidence.

Smoking has become a habit and is a public health problem throughout the world, especially among teenagers. Smoking in adolescence can interfere with fitness, one of the effects experienced is a decrease in cardiovascular endurance. The aim of this study was to determine the level of cardiovascular endurance of male extracurricular sports students who were smokers and non-smokers at SMAN 1 Parang. The design of this research is comparative research. The techniques used to collect data are filling out questionnaires and VO2Max tests. The subjects used in the research were 22 boys' extracurricular sports students at SMAN 1 Parang, divided into 10 futsal extracurriculars and 12 volleyball extracurriculars. The instrument used is the Multistage Fitness Test (MFT). Then, the data analysis technique used is to carry out data prerequisite tests (normality test and data homogeneity test) and hypothesis test (Independent t-test) and in analyzing the data from this research using SPSS version 26 software. Based on the research results and data analysis there are differences The VO2Max level which can be seen from the average value is 33.9 for smoking students and 42.1 for non-smoking students. So it can be concluded that the VO2Max level of non-smoking extracurricular sports students is better than smokers' extracurricular sports students. So it can be said that each student has a different VO2Max level.    

This study aims to investigate the role of legal socialization at Vocational High School (SMK) Taman Siswa Kisaran in preventing online gambling practices among adolescents, as well as to understand the legal implications that adolescents may face when involved in such activities. The research method employed is a qualitative approach, gathering data through interviews with teaching staff, students, and legal experts, along with observation of the legal socialization activities conducted at the school. The findings indicate that SMK Taman Siswa Kisaran has implemented various legal socialization activities, including workshops, seminars, and extracurricular activities, to enhance students' understanding of the legal consequences of online gambling. However, challenges in the implementation of legal socialization were identified, such as resource constraints and lack of support from relevant parties. Potential legal repercussions for adolescents include criminal penalties, fines, and long-term consequences related to criminal records. Therefore, this study highlights the importance of the school's role in disseminating information about the laws related to online gambling to adolescents, emphasizing the need for greater support from the school, government, and other relevant institutions to enhance prevention efforts. The implications of this research include the development of more effective legal socialization strategies and the necessity for collaborative efforts among various stakeholders to address the issue of online gambling among adolescents. Thus, this study underscores the urgency and relevance of prevention efforts against online gambling practices among adolescents through legal socialization approaches in the educational environment.