This study examined differences in physical activity and physical self-concept between the least and most biologically mature female adolescents within chronological age and academic year groups. A total of 252 British female adolescents (M age = 12.9 years; SD = 0.7) in Years 7-9 completed self-report measures to assess physical activity and…

This study measured the skinfold thickness of Negro and white children for one year. No sex or race related trend was apparent. (Author/JW)

Changes in physical dimensions of a sample of lower socioeconomic Mexican American children, ages 6 through 17, from Brownsville, TX, were documented on the basis of surveys done in 1972 and 1983. Results suggest that these youth are similar in growth to other Mexican American youth, and confirm large proportion of relatively short but heavy…

Literature and studies on the influence and scope of youth sports were surveyed with particular attention to selected issues or aspects related to cultural pluralism in North America. An exploration was made of attitudes toward participation in youth sports, which were influenced by ethnic and socioeconomic backgrounds of parents and children.…

The fifth in a series of reports presenting analyses and discussions of data on height, weight, and 28 other body measurements taken from a probability sample of noninstitutionalized children in the United States aged 6-11 years, this document compares the growth patterns of white and Negro children for 20 body measurements. Emphasis is placed on…