During the twenty century it is observed that there are a lot of changes in the field of growth and development new generation familiar as acceleration of growth and development. The main goal of this research evaluates the significant differences on some morphological characteristics in two generation who are the same age. The sample involves 45 boys from the football school aged eight years old who were tested in 1997 and 64 boys from the same football school who were tested in 2007. The sample of variables involves 12 anthropometrical measures which define longitudinal and transversal measures of skeleton, volume and physical size of the body and skin folds. It was concluded that the boys who were measured in 2007 have higher means in all longitudinal dimensions of skeleton, transversals dimensions of skeleton, physical size and volumes of body. It was also concluded that there are no significant differences in skin folds.
