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51 Cards in this Set
- Front
- Back
Early adolescence |
11-14 years |
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Middle adolescence |
15-17 years |
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Late adolescence |
18-21 years (crosses over with early adulthood) |
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Nutritional Needs |
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Physical Development |
Puberty begins during the Early Adolescence - biological changes of puberty include:
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Physical Development |
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Sexual Maturation Rating |
Sexual Maturation Rating (SMR, also called "Tanner Stages"): Scale to assess degree of sexual maturation - Rated on a 5 point scale (SMR 1-5):
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Sexual Maturation Rating |
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Sexual Maturation in Females |
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Body Composition Changes in Females |
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What percentage of body fat increase happens during puberty for females? |
120% |
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Body Fat Levels in Females |
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Sexual Maturation in Males |
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Body Composition Changes in Males |
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Skeletal Mass |
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Energy needs are influenced by: |
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Level of physical activity... |
declines during adolescence resulting in reduced energy requirements |
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Energy Ranges: |
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Calculating Estimated Energy Requirements |
Boys 9-18 years: EER = 88.5 - (61.9 x age) + PA x{26.7 x weight[kg] + (903 x height[m])} + 25 Girls 9-18 years: EER = 135.3 - (30.8 x age) + PA x{10.0 x weight[kg] + (934 x height[m])} + 25 |
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Calculating Estimated Energy Requirements |
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Acceptable Macronutrient Distribution Range (AMDR) |
The range of intake for a particular energy source (protein, fat or carb), expressed as a percentage of total energy (kcal), that is associated with reduced risk of chronic disease while providing adequate intakes of essential nutrients |
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Protein Requirements |
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Low protein intakes during adolescence linked to: |
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Carbohydrate and Fibre |
Carbohydrates: 130 g/day or 45-65% Dietary Fibre:
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Dietary Fat |
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Calcium |
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Vitamin D |
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Iron |
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Zinc |
Needed for sexual maturation and growth, especially in males |
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B Vitamins |
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Selected Nutrient Intakes from Canadian Community Health Survey (CCHS) |
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The Teen Brain |
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The Teen Brain - video |
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Social and Emotional Development in Early Adolescence |
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Social and Emotional Development in Middle and Late Adolescence |
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Vegetarian Diets During Adolescence |
About 4% of adolescents report being vegetarian Reasons being:
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Vegetarian Eating Habits |
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Dietary Guidance |
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Position of Dietitians of Canada on Vegetarian Diets (2003) |
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BUT...The teen brain |
Ability to plan and problem solve may be limited
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Physical Activity Guide for Children 5-17 |
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Health Behaviour in School-aged Children Study |
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Physical Activity CCHS |
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Association between body satisfaction and weight-related behaviours |
FEMALES:
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Eating Disorders |
Three clinically defined/diagnosed:
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Continuum of eating concerns and disorders |
Body dissatisfaction -> dieting behaviours -> disordered eating -> clinically significant eating disorders |
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Some Canadian Statistics |
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Key features of anorexia nervosa |
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Key features of Bulimia nervosa |
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Binge Eating Disorder (BED) |
Binge eating, not followed by compensatory behaviours (2% of general population, 30% of dieting population) Causation:
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Why In Adolescence? |
Life is overwhelming:
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