title: Self-concept, sports interests, sports participation, and body type of seventh- and eighth-grade boys.
mesh_terms: D000293:Adolescent; D000704:Analysis of Variance; D001290:Attitude; D002657:Child Development; D005219:Father-Child Relations; D006801:Humans; D008297:Male; D010332:Paternal Behavior; D011627:Puberty; D012649:Self Concept; D012938:Social Perception; D013008:Somatotypes; D013177:Sports