Hubungan Kekuatan Otot Lengan Dan Bahu Dengan Kemampuan Servis Atas Bola Voli…

The problem in this research is the lack of top serve ability being owned by the students of SMPN 5 Singingi Hilir. This problem is suspected because of the strength of the arm and shoulder muscles. To the researchers aim to prove the corelation between these variables. The method used is a corelational method. Population in this study were students of SMPN 5 Singingi Hilir District of Singingi…