Kontribusi Kecepatan Dan Daya Ledak Otot Tungkai Dengan Hasil Lompat Jauh Gay…

The problem in this research is that when running, students did not do well because running is not at maximum speed which starts slowly until the results of the jump are not optimal, and when taking the start for long jump the start runs far enough, and when take off the average explosive power of these students was not good and so the impact on the distance jump. Because of a long jump will be…