EDP 3326 Chapter Notes - Chapter 11: Nocturnal Enuresis, Childhood Obesity, Malocclusion

• School: Baylor University
• Department: Educational Psychology
• Course: EDP 3326
• Professor: Janet Bagby

Document Summary

Describe changes in body size, body proportions, and skeletal maturity during middle childhood. School-age children"s growth is slow and regular, though large individual and ethnic variations exist in physical growth. On average, they add about 2 to 3 inches in height and 5 pounds in weight each year. By age 9, girls overtake boys in physical size. Secular trends in physical growth have occurred in industrialized nations because of improved health and nutrition, many children are growing larger and reaching physical maturity earlier than their ancestors. Secular trends in physical growth- changes in body size from one generation to the next. Bones continue to lengthen and broaden, and permanent teeth replace primary teeth. Tooth decay affects over half the u. s. school-age children, with especially high levels among low-ses children. One-third of school-age children suffer from malocclusion, making braces common by the end of elementary school. Malocclusion- a condition in which the upper and lower teeth do not meet properly.