Pengaruh Latihan Wall Sit Up Terhadap Daya Tahan Otot Perut Pada Atlet Renang…

Based on the observations of the Asian Swimming Club (ASC) athletes, these athletes have not optimized their swimming in every style. One of them is when doing the reverse. It can be seen that the lack of endurance when doing these reversals is like the endurance of the abdominal muscles. Lack of resistance of the abdominal muscles is seen when returning, this makes the swimming speed decre…