Hubungan Kekuatan Otot Lengan Bahu Dan Kelenturan Otot Punggung Dengan Hasil …

Based on the above statement and the result of observation of the research, the son of Class XI SMK N 7 Pekanbaru that the result of student bullets is still less than the maximum, this can be seen from the repulsions of students who have not reached the standard of learning. The purpose of this research is to see the correlation of muscle strength of arm and shoulder and back muscle flexibilit…