Based on observation conducted at the field by researcher in material shot put, researcher found a problem that is the lack of arm and shoulder muscles power so it produces unsatisfactory repulsion where the average of repulsion is below 5 meters. Based on the problem, the researcher gave medicine balltraining with three kinds of exercises: medicine ball chest throw exercises, medicine ball twi…
Based on observation conducted at the field by researcher in material shot put, researcher found a problem that is the lack of arm and shoulder muscles power so it produces unsatisfactory repulsion where the average of repulsion is below 5 meters. Based on the problem, the researcher gave medicine balltraining with three kinds of exercises: medicine ball chest throw exercises, medicine ball twi…