Correlation of Explosive Power and Arm Muscle’s Strength with The Shot Put Achievement

Abstract

This research aims to know the correlation of explosive power and arm muscles strength with the shot put achievement in orthodox style. Subjects of this research were 1st Bandongan’s Junior High School students in grades VII D at Magelang districts. The sample technique used total sampling. Total participants as subject of the research were 32 students. Data analysis techniques used in this research were partials correlation and the multiple linear regression 2 predictors. Data analysis used Excel program assistance and SPSS 25.0. The results showed that the high significant correlation of explosive power and arm muscles strength with the shot put achievement orthodox style. Partial correlation results are 0.780 for the explosive power and 0.814 for the arm muscles strength. As for relative contributed of the both variable are 55%. While the effective contribute of each variable for the shot put achievement are 80.4% for the arm muscles explosive power and 19.6 % for the arm muscles strength.

Keywords: arm muscles explosive power, arm muscles strength, shot put achievement