Pengaruh Latihan Box Jump Terhadap Power Otot Tungkai Pada Siswa SMK Negeri 2…

The problem in this research is the lack of ability to do long jumps for students at SMKN 2 Pekanbaru who take long jump extracurriculars which is caused by a lack of field practice and only emphasizes long jump theory. The purpose of this study was to determine the effect of box jump exercise on leg muscle power in students of SMK Negeri 2 Pekanbaru who participated in the long jump athletic e…