Hubungan kekuatan dan daya tahan otot lengan danBahu dengan kemampuan service…

Abstract, Based on observations while students of class V SDN 5 Binuang Bangkinang Kampar, researchers found problems, especially in the lower servicing ability is not good enough, the service under which do tend to be less focused on the target swath lapangar, under many skewed or out of the field. This problem is suspected because of the strength of the arm and shoulder muscles are owned stud…