Achieving a Healthy Weight

1
Achieving a Healthy Weight

• Chapter 8

2
Objectives

• Define obesity and overweight.
• Differentiate between hypertrophic and
  hyperplastic development of adipose cells.
• Identify and discuss the health aspects of
  obesity.
• Discuss biological and behavioral causes of
  obesity.
• Discuss the relationship of genetics, setpoint,
  overeating, and physical activity to body shape,
  fat distribution, and obesity.
• Define and identify eating disorders and their
  symptoms and treatment.
• Calculate the caloric cost of physical
  activities.
• Compare and contrast dieting and physical
  activity as strategies for weight management.
• Identify principles of weight management.

3
Defining the Problem

• Americans obsession with body weight.
• - body dismorphic disorder (BDD)
• Overweight vs. obese.
• -overweight BMI of 25 or higher
• -obese BMI of 30 or higher
• Health aspects of obesity.
• weight loss should be expresses as fat-weight
  loss.
• development of obesity (adipose cells).
• -hypertrophy increase excessively in size
• -hyperplasia increase excessively in number

4
Causes of Obesity

• Biological
• -heredity
• -set point theory
• Behavioral
• -overeating
• -lack of physical activity

5
Dieting and Exercise Strategies for Weight
Maintenance or Weight Loss

• Dieting
• -very low-calorie diets
• -low-fat diets
• -low-fat foods and over-compensatory eating
• -low-fat diets and olestra
• -portion sizes and volume eating
• -popular diets
• Diet drugs
• Herbal Remedies
• Fasting
• Physical Activity
• -use of calories
• -exercise stimulates metabolism
• -key to weight control
• -exercise intensity and fat loss
• Key to weight management
• -combine dietary modification and exercise
• Putting it All Together pagees 258 260.

6
Eating Disorders

• Behavioral effects
• Anorexia Nervosa
• Bulimia
• Binge-eating disorder
• Underweight