Suharjana, Eko Priyanto, Japhet Ndayisenga
Background: Service jumping is one of the volleyball techniques which is very important to be trained in the game in order to complicate the opponent reception. Proposal: This research aims to determine the contribution of leg power, arm power, abdominal muscle strength, and back muscle strength to the volleyball athlete's jumping service ability. Method: This research is a correlational descriptive study. The subjects of this study were volleyball athletes from Bantul Regency club. The sampling technique used purposive sampling with a total of 42 respondents. Data collection instruments using measurement tests. Data analysis used multiple regressions. The results showed that there was a contribution of leg power to the volleyball athlete's jumping service ability (p value = 0.011) with a contribution of 28.7%. There was a contribution of arm power to jumping service ability in volleyball games (p value = 0.015) with a contribution of 20.4%. There was a contribution of abdominal muscle strength to the volleyball athlete's jumping service ability (p value = 0.018) with a contribution of 23.2%. There was a contribution of back muscle strength to the volleyball athlete's jumping service ability during games (p value = 0.031) with a contribution of 16.7%. There was contribution of leg power, arm power, abdominal strength and back muscle strength to the volleyball athlete's jumping service ability (p value = 0,000). The amount of contribution of leg power, arm power, abdominal strength and back muscle strength to jumping service ability is 89%. Conclusion: a volleyball training must be complete because its techniques include the whole body. © 2020, Horizon Research Publishing. All rights reserved.
Department of Sport Science, Yogyakarta State University, Indonesia; Institute of Physical Education and Sports Bujumbura, University of Burundi, Burundi
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