<![CDATA[This study aims to determine the effect of plyometric training on mawashi geri kick speed among junior kumite karate athletes at SESKO AU Lembang karate club. The method used was a quantitative experiment with a one-group pretest-posttest design, involving 20 athletes selected through purposive sampling technique. The treatment, consisting of plyometric exercises converted into the mawashi geri kick movement pattern, was given for six weeks with a frequency of three times per week. Kick speed was measured using a video analysis-based test instrument (Kinovea application) before and after the treatment. Data were analyzed using the Shapiro-Wilk normality test, the Wilcoxon Signed Rank Test for hypothesis testing, and Cohen's d effect size calculation. The results showed that the average kick time decreased from 0.4465 seconds to 0.3738 seconds, with all samples (100%) experiencing an increase in speed. The Wilcoxon test showed a Z value of -3.921 and Sig. (2-tailed) = 0.000 (p < 0.05), indicating a significant effect, with Cohen's d = 1.14 (large category). These findings show that plyometric training is effective in increasing mawashi geri kick speed, and can therefore be recommended as part of a physical training program for junior kumite karate athletes.]]>
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