Pengaruh Latihan Catch And Drop Push Ups Terhadap Power Otot Lengan Dan Bahu …

Based on observation that I did when randori adult men athlete of Dojo Rumbai group Shorinji Kempo Pekanbaru following various championships like: the provinces championship in the town of Dumai in December 2015 years ago, and then national championship in Surabaya 29-31 July 2016, most of them do attacks, but the power of arm and shoulder muscle still weak or less powerfull and he can still do…