The Effect of Plyometric Training Methods on Improving Long Jump Ability in Students of SMP N 4 Central Bengkulu

Abstract

This study aims to find out the effect of plyometric training on improving long jump ability in athletes at SMP Negeri 4 Bengkulu Tengah. The problem in this study is that the athletes' long jump ability is still low, so an effective training method is needed to increase leg muscle explosiveness and jump results. The type of research used is experimental with a One Group Pretest-Posttest Design. The population in this study was 18 athletes, while the research sample was 15 athletes taken using purposive sampling. The research instrument used was a standing long jump test. The data analysis technique used normality tests, homogeneity tests, and hypothesis tests using paired sample t-tests at a significance level of α = 0.05. The results of the study showed that the average pre-test result was 2.86 meters and increased in the post-test to 3.46 meters. The results of the normality test showed that the data bThe data is normally distributed with a pre-test significance value of 0.200 and a post-test value of 0.178. The homogeneity test results show that the data is homogeneous, with significance values of 4.14 and 3.62, which are greater than the Ftabel of 2.48. Based on the hypothesis test results, the t-calculated value is 5.214, greater than the t-table value of 1.761, with a significance value of 0.000 < 0.05. The percentage increase in long jump results is 20.97%. Therefore, this study shows that plyometric training has an effect on improving long jump ability in students at SMP Negeri 4 Bengkulu Tengah.