The Effect of Circuit Training Exercises and Set Systems on Learning Motivation Towards Discus Throw Results of Students of SMP Negeri 2 Pendalian IV Koto

The Problem of this research is that the schools observed have never excelled, especially in discus throwing competitions, both at district, provincial and national levels. There are still many students whose results below throwing.The lack maximum student due to arm muscle power when throwing. This see effect circuit training systems terms learning motivation on results. study uses an experimental method with a factorial design level 2x2. population was male SMP Negeri 2 Pendalian IV Koto, totaling 74 people number samples from all treatment plans 40 people, based group division 27% high low level. instrument measured by angle. data obtained were analyzed using two-way ANOVA Tukey's test significance α = 0.05. final : (1) Overall there difference method. (2) interaction between methods system set results(3) differences given motivation. (4)