8 - 1 Physical Development in Middle Childhood 2...

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1 1 Physical Development in Middle Childhood 2 Introduction 3 Body Growth in Middle Childhood • Slow, regular pattern • Girls shorter and lighter until about age 9 • Lower portion of body growing fastest • Bones lengthen • Muscles very flexible • All permanent teeth arrive • Heredity and environment play a role in growth 4 Middle Childhood: Growth Worldwide Shortest children: South America, Asia, Pacific Islands, parts of Africa Tallest children: • Secular trend in industrialized countries toward larger and heavier children 5 Gender Differences Girls are shorter and lighter than boys until approximately age 9 Girls tend to have more body fat Boys are more muscular. 6 Secular Trends in Physical Growth The changes in body size from one generation to the next. Have taken place in many industrialized nations. The larger size of modern children is mostly due to a faster rate of physical maturation. Improved health and nutrition play major roles in the secular trend.
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This note was uploaded on 03/19/2008 for the course FCE 212 taught by Professor Gipson-tansil during the Spring '08 term at Michigan State University.

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8 - 1 Physical Development in Middle Childhood 2...

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