This study aims to determine the effect of depth jump training on increasing the leg muscle explosive power of volleyball players at Club Junior 08 Bengkulu Utara. A total sampling method was used to determine the number of respondents, resulting in 15 respondents who are volleyball athletes from Club Junior 08 Bengkulu Utara. This experimental research employed a One-Group Pretest-Posttest design, which is a pre-experimental design that involves a pre-test (test before treatment) and a post-test (test after treatment) within a single group. Data collection was carried out using test scores. The data analysis techniques used were descriptive analysis and the t-test.The results of this study indicate that there is an effect of depth jumps on increasing the leg muscle explosive power of Club Junior 08 Bengkulu Utara volleyball players, with a calculated t-value ($t_{count}$) of 3.534, while the t-table ($t_{table}$) is 2.14 at a significance level of $\alpha = 0.05$ and degrees of freedom ($df$) = 15.
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