Hubungan Power Otot Lengan Bahu Dan Kelenturan Otot Punggung Dengan Hasil Tol…

Abstract ,: problem in this researck is less than the maximum power arm muscles shoulder and back muscle flexibility with shot put results. This is because by the factor of the physical condition of male students of class XI SMK Taruna Mandiri Pekanbaru is still lacking, especially on the power arm muscles shoulder and flexibility of back muscles are visible when male students do repulsion, res…