Kontribusi Kekuatan Otot Lengan Dan Bahu Terhadap Ketepatan Servis Panjang Bu…

The problem in this study is whether there is any contribution Arm and Shoulder Muscle Strength of the accuracy of long servicein Man at PB Wahana Silva Pekanbaru. The purpose of this study is to determine how much contribution Arm and Shoulder Muscle Strength of the accuracy of long service in Man on PB Wahana Silva Pekanbaru. The research was conducted in Gor Wahana Silva at Tanjung Datuk St…