Hubungan Power Otot Lengan Dan Bahu Terhadap Hasil Pukulan Backhand Pada Atle…

The problem in this research is "Strength of arm muscle and shoulder with backhand punch at junior athlete athlete of club son malay sport Pekanbaru?", So that the future of the athlete can perform much better and play again and the most important after research and know how much athletic ability to execute backhand punch to improve in advance to compensate for the opponent's game and maxim…