Effectiveness of Zig-Zag Run Training Using Weighted Vests on the Agility of Futsal Extracurricular Players at MAN Surabaya City

Abstract

The agility skills of futsal extracurricular participants at MAN Surabaya City are not yet well developed. This study aims to 
evaluate the effectiveness of zig-zag run training using weighted vests in improving the agility of futsal extracurricular players at 
MAN Surabaya City. The main problem identified is the low agility of players, which affects the team's performance when facing 
opponents with better dribbling skills. The research method used is quasi-experimental with a matching-only design, involving 30 
futsal extracurricular students as samples. Data were collected through agility tests conducted before and after an eight-week 
treatment period. The training was conducted three times a week with a specifically designed program and intensity. The results 
showed a significant increase in agility scores after the zig-zag run training with weighted vests. Before treatment, the average agility 
score was in the "poor" category (11 seconds), which improved to the "fair" category (9 seconds) after the treatment. This indicates that zig-zag run training with weighted vests is effective in improving agility through the strengthening of leg muscles such as the 
quadriceps femoris, hamstring, gastrocnemius, and soleus. Based on the significance value (2-tailed) of 0.000 < 0.05, it can be concluded that the zig-zag run training has a significant effect on the agility of futsal extracurricular students.