Pengaruh Latihan Lompat Gawang Terhadap Kemampuan Power Otot Tungkai Pada Peserta Ekstrakurikuler Bola Voli SMPN 234 Jakarta Timur

Prihardono, Taufik Kukuh (2026) Pengaruh Latihan Lompat Gawang Terhadap Kemampuan Power Otot Tungkai Pada Peserta Ekstrakurikuler Bola Voli SMPN 234 Jakarta Timur. Sarjana (S1) thesis, Universitas Islam 45.

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Abstract

This thesis is entitled “The Effect
of Hurdle Jump Training on Leg Muscle Power Ability in Volleyball Extracurricular
Participants at SMPN 234 East Jakarta.” Thesis, Faculty of Teacher Training and Education,
Universitas Islam “45” Bekasi.
This study aims to determine the effect of the hurdle jump training method on
the leg muscle power ability of volleyball extracurricular participants at SMPN 234
East Jakarta. The method used in this research is an experimental method with a onegroup pretest-posttest design. The population in this study consisted of students aged
13–15 years, totaling 40 students. The sampling technique used was cluster purposive
sampling, resulting in a sample of 20 volleyball extracurricular participants at SMPN
234 East Jakarta.
Based on hypothesis testing of variables X and Y obtained through Vertical
Jump results, this study is supported by the t-test results, which show that the calculated
t-value (20.11) is greater than the t-table value (2.093). This result indicates that Ho
is rejected, meaning that there is a significant difference in the hurdle jump training of
volleyball extracurricular participants before and after the training was given.
This study concludes that there is an effect of hurdle jump training on improving
leg muscle power ability in volleyball extracurricular participants at SMPN 234 East
Jakarta. The results of this study also provide recommendations for coaches to design
more varied and intensive training programs to optimize player performance

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