<![CDATA[This research aimed to investigate the impact of squat jump training on lower limb muscle power in the extracurricular futsal activities of State Middle School 29 Palembang. The research method employed a quasi-experimental approach using a "pretest and posttest one group" design. The sample for this study comprised 30 participants, and the research instrument used was the vertical jump test. The data processing and analysis involved assessing data normality and hypothesis testing using the T-test formula. The pretest results showed an average score of 18.1, while the posttest average was 31.8. Upon conducting the T-test, the calculated t-value was 16.54, and the critical t-value was 1.70. This indicated that the calculated t-value (t) was significantly higher than the critical t-value (t-table) at a 95% confidence level (α = 0.05) with a sample size of 30. The implications of this study suggest that squat jump training has a significant impact on lower limb muscle power in the extracurricular futsal activities of State Middle School 29 Palembang. The findings provide valuable insights for educators and trainers involved in enhancing the athletic performance of students in futsal and similar sports. Further research can explore the specific training regimens and techniques that yield the most substantial improvements in lower limb muscle power, contributing to the overall development of young athletes in the context of extracurricular activities.]]>
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