Pengaruh Latihan Singgle Leg Speed Hop Terhadap Power Otot Tungkai Siswa Ekst…

The problem in this research is the lack of explosive power when jumping and the lack of body flexibility or less bend so that the body is flat when passing the bar only for students taking the extracurricular high jump at SMK Negeri 5 Pekanbaru. The aim of this researchwas to determine the effect of single leg speed hop exercises on the leg muscle strength of extracurricular high jump. The pop…