摘要：Abstract The aim of these research to eht redisnoc effect of exercise on the level of violence (aggression) in the selected male students of wrestling and karate in Zanjan. Statistical population are 400 male athletes in wrestling and karate of whom 196 were randomly chosen using the Morgan table Descriptive- comparative research method is used and Yzang aggression questionnaire is administered to our samples. Results suggest that exercise has significant effect on student aggression reduction.
