Hubungan Kekuatan Otot Lengan Dan Bahu Dan Koordinasi Mata-Tangan Dengan Akur…

Based on researcher’s observation at the field, when the players did training and inter-school match, most of them did overhand serve. When doing a punch, the ball mostly got out of the field, sometimes got stuck on the net or hit the net, even could not reach the opponent’s field, it meant that the overhand serve that was done by the player was not on target or the accuracy of their overha…