The sport is all that activity that is characterized for having a physical requirement, being institutionalized (federations, clubs), to need competition with one itself or with the others and to have a set of perfectly definite rules. As solitary term, the sport refers normally to activities in which the physical, pulmonary capacity of the competitor they are the basic form to determine the result (to win or to lose); therefore, also it is used to include activities where other capacities external or not directly tied to the physicist of the sportsman are decisive factors, as the mental keenness or the equipment.