Kontribusi Daya Ledak Otot Tungkai Dengan Kecepatan Tendangan Sabit Pada Atle…

the problem of this research is that the capability of sickle kick speed is still not good, this is seen when the athletes perform a match and several factors that become cause the physical elements are not optimal, such as leg muscle explosive power. The kind of this research is correlational research that be used to compare two different variables in order to determine the relation level betw…