Physical self-perception in spanish adolescents: effects of gender and involvent in physical activity. Sunday, 3 October 2010 | Motivación y promoción de la actividad física y el deporte Moreno, J. A., and Cervelló, E. (2005). Physical self-perception in spanish adolescents: effects of gender and involvent in physical activity. Journal of Human Movement Studies, 48, 291-311.