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●Individual Differences on Growth and Development of Children An influence of metabolism , hormone, the properties of bone, dietary life, nutrition, and living and social environment makes differences on growth and development of children. 1 ● Growth Disorder Short height Tall height Early sexual maturity Obesity Underweight 2 ● The diseases and conditions for Growth Disorder 1. Endocrine diseases : Growth hormone deficiency 2. Bone system diseases :achondroplasia 3. Metabolism diseases :rickets 4. Constitutional growth disorder: inheritance growth disorder 5. Chronic diseases : malnutrition 6. Chromosome disorder:Down’s syndrome 7. Deformity:Russel-silver syndrome 8. Psychosomatic Growth Disorder :child neglect or abuse 3 ● The diseases and conditions for underweight 1. Environmental factor: poverty, nutritional misunderstand, infection, etc. 2. Chronic diseases 3. Endocrine diseases 4. Inheritance metabolism diseases 5. Anorexia nervosa 4 Cross-Sectional Standard Growth Chart Height(cm) boy average Height Weight(Kg) average Weight AGE(year) 5 Data in 2000 ● Rohrer Index =weight (kg)/( height (cm)3)x107 ● Rohrer index =weight (kg)/( height (m)3)x10 Rohrer index Useful to calculate for obesity level of children 6 ● Rohrer index ex. height :135cm, weight :30kg 3 Rohrer index =30÷1.35 ×10 =30/2.46×10 =122(Normal Weight) 7 ● Rohrer Index Severe Underweight under 100 Underweight 100<115 Normal Weight 115<145 Overweight 145<159 Obese over 160 8 ● Kaup Index (BMI) = ( weight (g)/ height (cm)2)x10 ● Kaup index (BMI) =weight (g)/ height (cm) / height (cm)x10 Kaup index (BMI) Useful to calculate for obesity level of small children and adult 9 ● Kaup index ex. height :100cm Kaup index (1m), weight :20kg =20000÷1002×10 =20000/10000×10 =20(Normal Weight) BMI =20÷12 =20/1 =20(Normal Weight) 10 ● Kaup index (for small children) Severe Underweight < 13 Underweight 13 <15 Normal Weight 15 Overweight 18 < 20 Obese 20 < < 18 11 ●BMI (for adult) Underweight < 18.5 Normal Weight 18.5 < 25 Overweight 25 < 30 Obese 30 < 12