Pengaruh Latihan Speed Ladder Drill Terhadap Kecepatan Lari 40 Yard Pada Sisw…

Among all types of sports, athletics is the oldest. Athletics comes from the word "athlon", which means to race, and is a physical activity consisting of natural movements. According to Munasifah (2008), current athletic events include running, jumping, throwing and walking. Running is a progression from walking, which involves repeatedly taking steps to move around. Running has a character…