Background problem in this research is the low throwing results of the students of SMAN 2 Ujung Tanjung. Of KKM targeted not all students are able to achieve. This problem can be seen from the observation of researcher during school learning, it is suspected because of the arm-shoulder muscle strength and back flexibility owned by students. Therefore, the purpose of this study was to determine …
Background problem in this research is the low throwing results of the students of SMAN 2 Ujung Tanjung. Of KKM targeted not all students are able to achieve. This problem can be seen from the observation of researcher during school learning, it is suspected because of the arm-shoulder muscle strength and back flexibility owned by students. Therefore, the purpose of this study was to determine …