106A.Adolescence.stud - Chapters14& pp.391,395402...

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pp. 391, 395-402  Adolescent Nutrition Athletes Disordered Eating Key Nutrition Concepts 0. Needs determined by the degree of sexual and biological maturity. 1. Unhealthy eating practices. 2. Concrete thinking with limited abstract reasoning until late  adolescence. 3. Eating behaviors influenced by many factors. 4. Family meals decline but remain important. 5. Most lack adequate fruits, vegetables, whole grains, and calcium but  many exceed kcals.  Key Nutrition Concepts 6. Focus messages on the present and how good nutrition can positively  impact appearance, sports performance, or academic performance is likely  to have a greater impact than focusing on long-term disease prevention. 7. ~half of bone mass is accrued in adolescence, if nutrients are present  0. Most adolescents consume less that half of the recommended  calcium intake. 1. Affected by physical activity.  Key Terms 0. 0. May be younger for AA girls. 1. A time of profound biological, emotional, social, and cognitive  changes  1. Puberty—time when body matures from that of a child to an adult Time of Change 2. Physical growth 3. Psychological growth 4. Nutritional behaviors  5. Needs
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Normal Physical Growth and Development 8. Puberty occurs during early adolescence 9. Biological changes of puberty include: -sexual maturation -increases in ht & wt -accumulation of skeletal mass -changes in body composition 10. Lots of individual variation but everyone eventually gets there Sexual Maturation Rating “Tanner Stages” 6. Scale of secondary sexual characteristics development -SMR 1=prepuburtal growth & development -SMR 2-4=occurrences of puberty -SMR 5= sexual maturation has concluded Maturation and Growth Maturation and Growth 11. Age of menarche ranges from 9 to 17 years 12. African American (AA) girls experience puberty earlier than  Caucasians 0. By 8 years of age 48% of AA girls are at SMR stage 2 versus 15%  of Caucasian girls 13. Peak linear growth occurs ~6 to 12 months prior to menarche 14. Severely restrictive diets may delay or slow growth Maturation and Growth Maturation and Growth 15. Widely varied chronological age at which sexual maturation takes  place 16. appearance of facial hair at ~age 14.4  17. Linear growth continues throughout adolescence ceasing at ~age 21 Weight, Body Composition, and Skeletal Muscles
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106A.Adolescence.stud - Chapters14& pp.391,395402...

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