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Actividad física y autoconcepto, físico y general, a lo largo de la edad adulta1 Infante, Guillermo Goñi Grandmontagne, Alfredo Villarroel Villamor, José Domingo Physical activity Age Sex Physical and general self-concept Adulthood The purpose of this study consists in determining differences in self-concept and physical self-perceptions, as well as the relationship between these differences and physical activity and gender at three times during adulthood. A total number of 912 people (350 men, 560 women) between the ages of 23 and 64 (M = 45.41; SD = 13.41) participated in the study. The sample group was divided into three age ranges: 23-34; 35-49; and 50-64. The participants classified themselves as either active or non-active. Self-concept was measured by the Physical Self-Concept Questionnaire (CAF) made up of the following scales: physical ability, physical condition, physical attractiveness, physical strength, general physical self-concept and general self-concept. The results reveal that: a. various dimensions of self-concept decreased as age increased in all three groups studied; b. This decrease is less pronounced in females than in males; c. a subjective perception of oneself as an active person is positively associated with physical self-concept; d. the decrease in self-concept associated with age affects active people less than their non-active counterparts. These data provide new information for both research and the personal and physical education of adults. 2011 Article https://ddd.uab.cat/record/84950 urn:oai:ddd.uab.cat:84950 urn:articleid:19885636v20n2p429 urn:oai:rpd.revistes.uab.cat:article/749 spa Revista de psicología del deporte ; Vol. 20, Núm. 2 ( 2011), p. 429-444 open access Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, sempre i quan aquestes es distribueixin sota la mateixa llicència que regula l'obra original i es reconegui l'autoria. https://creativecommons.org/licenses/by-sa/3.0/ application/pdf