2010 cengage-wadsworth weight management chapter 9

2010 Cengage-Wadsworth

Weight Management

Chapter 9


A Closer Look at Obesity

• Overweight• Obesity• Societal trends

Increased opportunities for poor nutrition

Decreased opportunities for physical activity


Problems Associated with Weight

• Problems of underweight• Problems of overweight/obesity


What Is a Healthful Weight?

• Body weight vs. body fat• Measuring body fat

Underwater weighingBodPodSkinfold testDual-energy X-ray absorptiometry (DEXA)

Bioelectrical impedance


What Is a Healthful Weight?

• Distribution of body fat• Weighing in for health

Body mass index (BMI)Waist circumferenceWeight-related health problems & disease risk factors


Energy Balance

• Energy in vs. energy out• Basal metabolism• Voluntary activities• Total energy needs


Causes of Obesity

• GeneticsSet-point theoryLeptinFat cell theory

• Environment


Causes of Obesity

• A closer look at eating behaviorHunger vs. appetiteRegulation - hypothalamusArousalStress


Weight Gain & Loss

• Body composition• Weight gain

Carbohydrate to glycogen or fatFat to storage fatProtein to fat


Weight Gain & Loss

• Weight loss & fastingEarly fasting - glycogen & fatContinued fasting - protein & fat

Prolonged fasting - ketosis


Weight Gain & Loss

• Drugs & weight lossPrescription & OTC drugsNutritional supplementsHerbal supplements

• Surgery & weight lossGastric bypassGastric bandingLiposuction


Diet Confusion--Weighing the Evidence

• How do diets work?By limiting food consumption

• What are common diets?Dr. Atkins New Diet RevolutionThe Zone DietThe South Beach DietWeight Watchers



• What are common diets?Dr. Ornish Eat More, Weigh LessEat Right for Your Blood TypeDr. Phil’s Ultimate Weight Solution

The New Glucose Revolution



• How can you determine if a diet is healthful? Questions to ask

• Don’t give up!Research diets that interest you carefully using reliable sources


Never Say “Diet”

• Adopt a nondiet approach to weight loss

• Set achievable goals• Focus on health rather than appearance


Successful Weight-Loss Strategies

• Personalize your weight-loss plan

• Aim for gradual weight lossExpect to reach a plateauAim for a positive gain in lean body mass

Maintain bone health by increasing calcium intake

• Adopt a physically active lifestyle


Aiming for a Healthy Weight While Dining Out

• Choose carefully• Request sauces/condiments on the side

• Downsize your order• Eat slowly & enjoy the meal• Eating well on the run

Fast-food choices


Weight-Gain Strategies

• Physical activity• Changes in eating habits


Breaking Old Habits

• Behavior modificationSet a goal & get to know yourselfChange behaviors & reward yourselfPlan to take small stepsGive it a try & adapt your plan!Be prepared for a relapseSet prioritiesConsider the “rule of three”


Breaking Old Habits

• Strategies for changing the way you eatRecord present eating behaviorIdentify cues/situations that trigger inappropriate eating

Make it easy for yourself to eat the way you want to eat

Take a look at and alter the manner in which you eat

Reward yourself for positive behaviors


Addressing Overweight in Childhood

• Prevalence of overweight in children

• Problems associated with overweight in children

• Reasons for overweight in children & adolescents today

• What children & adolescents eat & how it affects their health


Addressing Overweight in Childhood

• Impact of the media on children’s nutrition status

• Impact of schools on children’s dietsEfforts to help build more healthful school environments

• Prevention efforts recommended for addressing overweight in children


The Eating Disorders

• Types of eating disorders• Eating disorders vs. disordered eating

• Symptoms of anorexia nervosa• Symptoms of bulimia• Treatment of anorexia nervosa & bulimia


The Eating Disorders

• Early warning signs of eating disorders

• Prevention strategies• Helping someone who might have an eating disorder

2010 cengage-wadsworth weight management chapter 9

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