Zusammenfassung

Physical activities influence positively the individual's personality from a cognitive perspective; information assessment will be facilitated using socializing agents, while physical development will modify significantly the increase in self.esteem. Whereas sport cannot be considered the "repair shop" of (wrong) social acts, it benefits from the necessary instruments for fighting against violenxe and for social integration when it is practiced. The means through which it provides young people with the possibility of relaxing physically, of dissolving spiritual tensions and of setting them away from the aggression facts are simplified by those that influence the emergence of conflicts. Sport regarded as a microcosm is a positice space endowed with favouring valences in the maintenance of social contacts and in the cohesion of groups: however, when free time is used exclusively in disorganized and unstructured contexts, young people are tempted to accept aggressiveness and to prepare to use it at an extreme level. This investigative approach aims to identify cathartic differences, as a result of practicing sport, on two groups of students.