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Weight Management: Finding a Healthy Balance. Chapter 12. Objectives. To discuss the differences between overweight and obesity and implications for health To present the concept of caloric balance in weight control

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Weight Management: Finding a Healthy Balance

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Weight Management:Finding a Healthy Balance

Chapter 12

Sport Books Publisher


Objectives

  • To discuss the differences between overweight and obesity and implications for health

  • To present the concept of caloric balance in weight control

  • To examine the role of exercise and lifestyle modification in maintaining a healthy weight

  • To gain familiarity with the consequences of dieting and eating disorders

  • To set and evaluate personal goals for maintaining a healthy weight

Sport Books Publisher


Introduction

  • More than 50 percent of American adults are considered overweight or obese

  • More than 30 percent of American children are considered overweight or obese

Sport Books Publisher


Introduction

  • Physical activity has been engineered out of day-to-day life

  • The food environment has become more “toxic” by the day

  • Eating disorders have emerged due to social pressures to be thin

Sport Books Publisher


Energy-Balance Equation

Sport Books Publisher


Energy-Balance Equation

  • Body weight is influenced by:

    • Energy expended through physical activity

    • Energy gained through dietary intake

  • Energy is measured in kilocalories (kcal)

  • This is expressed by the ‘energy-balance equation’

Sport Books Publisher


Weight Stability

2000 kcal

2000 kcal

  • The left side represents energy consumed

  • The right side represents energy expended through physical activity or exercise

  • This situation depicts a balanced energy equation – a stable weight is achieved

    Energy consumed = Energy expended

Sport Books Publisher


Weight Gain

1840 kcal

2300 kcal

  • Energy consumed beyond the body’s needs are stored as fat

  • Weight gain occurs when energy consumed exceeds energy expended through physical activity

    Energy consumed > Energy expended

Sport Books Publisher


Weight Loss

2000 kcal

2400 kcal

  • Energy expended through physical activity must exceed energy consumed for weight loss to occur

    Energy consumed < Energy expended

Sport Books Publisher


Energy-Balance Equation

  • Some people want to put on a few pounds to look better, or to “bulk up” for athletic events

  • Healthy weight gain is best achieved through a regimen of increasing (healthy) food intake while participating in a strength training program to develop lean muscle tissue

Sport Books Publisher


Energy Needs of the Body

  • A large amount of energy must be consumed by the body in order to carry out vital functions such as:

    • Blood circulation

    • Respiration

    • Brain activity

Sport Books Publisher


Basal Metabolic Rate (BMR)

The minimum amount of energy the body requires to carry on all vital functions

Sport Books Publisher


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