The Effect of Lemb Strength Exercise on Blocking Skills in Volleyball at Extraculicular Students MA Ar-Ridlo Kalipare

The aim of the study was to determine whether there was an effect of leg muscle strength training exercises on increasing blocking skills through the vertical jump training method using hurdles in volleyball games for extracurricular students at MA Ar-Ridlo Kalipare. This research is an experimental research using a pretest and posttest group design research design. The sample in the research conducted was volleyball extracurricular students at MA Ar-Ridlo Kalipare, totaling 14 students. Data collection in this study was conducted using test techniques, namely the initial test (pretest) and the final test (posttest). Based on the results of data analysis, this is proven based on the results of calculating the ttest of 3.493, while the ttable value at a significant level of 5% and d.b (degrees of freedom) 13 is 2.160. Based on these results, it can be concluded that the ttest value of the experimental group A (3.493) > ttable (2.160), so that the alternative hypothesis (Ha) in this study is accepted and the value hypothesis (Ho) is rejected. So it can be concluded that after receiving the vertical jump training treatment on the improvement of blocking skills through the hurdles training method the volleyball extracurricular students MA Ar-Ridlo Kalipare experienced a significant increase. In other words, there is an effect of vertical jump training on improving blocking skills through the hurdles training method for volleyball extracurricular students MA Ar-Ridlo Kalipare.