<![CDATA[This research is motivated by the weak smash ability and low vertical jump of volleyball extracurricular participants at SMP Negeri 1 Ngluyu due to the suboptimal training of leg explosive power and arm muscle strength. This study aims to examine and analyze the relationship between arm muscle strength and leg power on smash ability. A correlational quantitative approach was used as the research method with a sample of 30 male students determined through purposive sampling. Data collection instruments included push-up tests, vertical jumps, and smash accuracy tests. The results proved a significant positive relationship between arm muscle strength and smash ability, as well as a strong direct relationship between leg power and smash ability. Simultaneously, arm muscle strength and leg power were proven to have a very strong and significant relationship with smash ability, with a contribution reaching 77.6 percent. The practical implications of these findings recommend coaches not only to focus on technical training on the court but also to integrate specific physical training programs such as weight training and plyometrics to optimally maximize the athletes' attack completion abilities.]]>
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