Hubungan Daya Ledak Otot Tungkai Terhadap Hasil Smash Atlet Bola Voli Junior …

Based on observation that writer did to club volleyball junior son of TRIWIJAYA DIESEL , precisely in the field TRI WIJAYA DIESEL at Kapau Sari 9 Pekanbaru. Writer found some troubles on the club volleyball junior TRI WIJAYA DIESEL at their smash , when an athlete to smash the ball over the net often do not produce point so it fails. The goal to be achieved in this research is to find the explo…