Pengaruh Latihan Controlled Speed Polygon Terhadap Daya Tahan Aerobik Tim Bol…

The problem in this research is that every member of the Taruna Satria Pekanbaru Vocational High School volleyball team still lacks stamina, often experiencing excessive fatigue while practicing or competing. The aim of this research was to determine whether there was an effect of controlled speed polygon exercise on the players' aerobic endurance. The population in this research were members o…