Kontribusi Daya Ledak Otot Lengan Dan Koordinasi Mata Tangan Terhadap Kemampuan Servis Atas Bolavoli Klub Kurma Surga Desa Surau Gading Kecamatan Rambah Samo Kabupaten Rokan Hulu

ABSTRACT Sisi Permatasari, 2021. Contribution of Explosive Power of Arm Muscles and Eye-Hand Coordination to Service Ability in Volleyball Club Kurma Surga, Surau Gading Village, Rambah Samo District Rokan Hulu Regency. The purpose of the study was to determine the contribution of arm muscle explosive power and eye-hand coordination to the serviceability of the Kurma surga Club Volleyball Club, Surau Gading Village, Rokan Hulu Regency, which amounted to 12 people. The sampling technique used is total sampling or taking all samples in this study there are 12 athletes. The research instrument used was the Overhand Medicine Ball Throw, the baseball catch, and the top serve. The analysis technique used is Product Moment and multiple correlations, to test for significance, account is used to test the final results of the study based on the results of data analysis X1 to Y of = - 0.170 level of relationship rcount = -0.170 < rtable = 0.576, thus the results obtained are not significant which has a contribution of 2.89%. For X2 to Y of 0.29, the level of relationship rcount = 0.29 < rtable = 0.576 thus the results obtained are not significant with a contribution of 8.41%. Then the contribution of arm muscle explosive power and hand-eye coordination to the serviceability of volleyball at the Kurma Heaven Club, Surau Gading Village, Rambah Samo District, Rokan Hulu Regency is 12.96%, for the relationship level rcount = 0.36 < rtabel = 0.576, thus the results obtained not significant