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Weight Management: Finding a Healthy Balance

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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  1. Weight Management:Finding a Healthy Balance Chapter 12 Sport Books Publisher

  2. 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

  3. 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

  4. 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

  5. Energy-Balance Equation Sport Books Publisher

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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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