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Pengaruh Latihan Double Leg Bound Terhadap Daya Ledak Otot Tungkai Pada Ekstrakurikuler Lompat Jauh Putra Smk Negeri 5 Pekanbaru
The problem in this research is the low ability of long jump, especially in leg muscle power, although it has been practiced with a fairly good technique, but when it comes to repulsion, it still needs to be addressed. To fix the problem, the research gives a form of exercise that increases power, especially in leg muscles, namely double leg bound exercises. The title raised in this research is "The Effect of Double Leg Bound Exercise on Leg Muscle Power in male Extracurricular Long Jump Extracurricular at SMK Negeri 5 Pekanbaru" so that in the future these students can do long jumps well, and the most important thing after doing this research is knowing whether there is an increase in the long jump ability especially on the leg muscle power. The form of this research is (using a one group pretest-posttest design approach) with a long jump extracurricular population of male students of SMK Negeri 5 Pekanbaru, totaling 20 people’s. The instrument used standing board jump test that aims to determine the effect of double leg bound exercises on leg muscle power. After that, the data is processed statistically, to test normality using the lilifours test at a significant level of α=0,05 . The hypothesis proposed is that there is an effect of double leg bound training on leg muscle power in the male extracurricular long jump at SMK Negeri 5 Pekanbaru. Based on the analysis of the normality of the data X, it produces a Lo max of 0.0865 and a Ltable of 0.190 means that the Lo max
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