Kontribusi Kekuatan Otot Lengan Dan Bahu Dan Kelentukan Otot Punggung Dengan …

The problem in this study is to know how big the contribution of muscle strength of arm and shoulder and back muscle formation to the ability of waist roll (stomach). The population in this research is PPLP Riau male wrestling athlete as many as 10 people. The data collection techniques used in this study are muscle strength test of arm and shoulder with Expanding dynamometer. Test of back musc…