Hubungan Daya Ledak Otot Tungkai Dengan Hasil Lompat Jauh Gaya Jongkok Siswa …

The problem in this research is some of female studnets of SDN 018 Sungai Keranji are the result of squat style long jump that does not reach the target. This is presumably because one of the factors that condition explosive power leg muscle. So, the researchers wanted to prove by means research. Type of research is correlational research that collected two variables: the variables x and y. As …