Unit 7 BODY COMPOSITION

Objectives Recall the three body types and their defining characteristics Identify what your ideal body weight is Be able to calculate Body Mass Index as well as determine if you are overweight or obese. Employ safe methods of weight loss as well as understand unhealthy weight gain and weight loss Apply resources found at Mypyramid to a healthy body weight or to the development of a healthy body weight Design an achievable diet that promotes healthy living

Terms Body composition – The ratio of fat to muscle, bone, and other body tissues Somatotype – Body Type Endomorph – A body type with a large, soft bulging body and a pear-shaped appearance Mesomorph – a body type with a solid, muscular, and large boned physique Ectomorph – A body type with a slender, slight build

Terms Overweight – a condition that exceeds the desirable weight by 10%, according to height and weight charts Obese – having an excessive amount of body fat Ideal Body Weight – the amount a person weighs if he or she has an appropriate percentage of body fat Anorexia Nervosa – an eating disorder in which a person refuses to eat normally, resulting in extreme thinness and even starvation Bulimia – an eating disorder characterized by overeating followed by self-induced vomiting, use of laxatives, or very strenuous exercise to avoid weight gain

Somatotypes Endomorph High % of body fat Short neck Large Abdomen Wide Hips Round Full Buttocks Short, Heavy Legs

Somatotypes Mesomorph Firm Well-developed Muscles Large Bones Broad Shoulders Muscular Arms Trim Waist Muscular Buttocks Powerful Legs

Somatotypes Ectomorph Small Bones Thin Muscles Slender Arms and Legs Narrow Chest Round Shoulders Flat Abdomen Small Buttocks

Body Composition The Body Mass Index (BMI) - is a measurement tool that compares your height to your weight and gives you an indication of whether you are overweight, underweight or at a healthy weight for your height. BMI = (Weight in Pounds / Height in Inches ²) Multiplied by 703 Ex. (160 / (65” x 65”= 4225) ) = .03787 x 703 = 26.62 % body Fat Or the cheater’s way Go to http://www.nhlbisupport.com/bmi/

Body Composition Basal Metabolic Rate Calculation This under the assumption that you expended minimal calories. Basically that you stayed in bed all day Women: BMR = 655 + ( 4.35 x weight in pounds ) + ( 4.7 x height in inches ) - ( 4.7 x age in years ) Men: BMR = 66 + ( 6.23 x weight in pounds ) + ( 12.7 x height in inches ) - ( 6.8 x age in year ) Or the Cheater’s way http://www.bmi-calculator.net/bmr-calculator/

Body Composition Ideal Body Weight Overweight Versus Obese Not the same thing Height and Weight do not account for the amount of muscle

Body Composition Ways to Measure Body Fat Importance of weight control Underwater weighing Skinfold Calipers Body Circumference measurements Importance of weight control Excess fat is unhealthy – Diabetes, High BP, Heart Disease Creeping Obesity – slow gaining of fat over a period of years Unhealthy means of weight loss Anorexia Bulimia Fad Diets Weight loss Suits

Mypyramid My Pyramid is a government sponsored website that allows you to create a personalized diet plan specific to you, based on your gender, height, weight, age, and activity level. This is the latest dietary guideline that replaced the Food Guide Pyramid http://www.mypyramid.gov/mypyramid/index.aspx

Unit 7 Test UNIT 7 BODY COMPOSITION