Growth, maturation, and development dominate the daily lives of children and adolescents for approximately the first 2 decades of life. Growth and maturation are biological processes, while development is largely a behavioral process. The 3 processes occur simultaneously and interact. They can be influenced by physical activity and also can…

The current study examined the mediating role of physical self-concept on relations between biological maturity status and self-reported physical activity in adolescent British females. Biological maturity status, physical self-concept and physical activity were assessed in 407 female British year 7-9 pupils (M age = 13.2 years, SD = 1.0).…

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…