ABSTRACT
The contribution of sports to the study of the founding concepts of responsibility is nothing but obvious. Sport may however constitute a fertile laboratory of analysis because it challenges the main principles of responsibility. For example, the models of responsibility are thought in general with reference to a reasonable behaviour. Conversely, what is expected from a sportsman is rarely a reasonable behaviour. The specificity of sport is not taken into account in the same way in civil and disciplinary liability. In civil liability, the conditions of involvement of the responsibility of the sportsman are being increasingly hardened. In disciplinary liability matters, the evolution on the contrary is towards a simplification of the possibility to hold a person liable in order to reinforce the efficiency of sports rules.
