Pengaruh Latihan Interval Training Terhadap Daya Tahan (Endurance ) Pada Atle…

The purpose of this research is to know the effect of training interval training on endurance of athletes of badminton men’s PB.RBC Pekanbaru. The type of research used is experiment with One Gruop Preetest Posttest Only Desaign design. The population in this study is athletes PB.RBC, the sample in this study is athletes PB.RBC amounted to 6 people. The sampling technique uses the total s…