Hubungan Kelentukan Pergelangan Tangan Dan Power Otot Lengan-Bahu Dengan Hasi…

The problem in this research is seen that their smash ability is still not good, the direction of cock flat and not dip, easy punch returned, the way the ball is not tight, the cock is often out of the field or does not lead to the target and also there is still a concern on the net. This matter allgedly doe to the lack of wrist and arm muscle power that is not good so that the smash accuracy d…