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All Journal Sport Science: Jurnal Sain Olahraga dan Pendidikan Jasmani
Aulia Shafira
Universitas Pendidikan Indonesia
Education Other

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Pengaruh Latihan Plyometric terhadap Kecepatan Tendangan Mawashi Geri Atlet Kumite Karate Aulia Shafira; Boyke Mulyana; Mulyana Mulyana
Ilmu Olahraga Vol 26 No 2 (2026): Sport Science: Jurnal Sains Olahraga dan Pendidikan Jasmani
Publisher : Center for Sports Science , Faculty of Sport Science, Universitas Negeri Padang

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Abstract

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.
Co-Authors Boyke Mulyana Mulyana Mulyana