NUTR 2050 Chapter 14: CHAPTER 14.docx

• School: University of Guelph
• Department: Nutrition
• Course: NUTR 2050
• Professor: Jess Haines

Document Summary

Adolescence is defined as the period of life between 11 and 21 years of age. Time of biological, emotional, social and cognitive changes during which a child develops into an adult. Physical, emotional and cognitive maturity is accomplished during adolescence. Pubery, the physical transformation of a child into a young adult changes include sexual maturation, increases in height and weight, accumulation of skeletal mass, and changes in body composition. Age of onset, duration and tempo of these events vary a great deal between and within individuals. Sexual maturation rating (smr) aka tanner stages is a scale of secondary sexual characteristics that allow health professionals to asses the degree of pubertal maturation among adolescents. 358 for sexual maturity rating for girls and boys. First signs of puberty are development of breast buds and sparse, fine pubic hair occurring on average between 8 to 13 years of age. Menarche occurs 2 to 4 years after development of breast buds and pubic hair.