Energy Balance

• What is the average caloric requirement for women?

  2000 kilocalories per day
• What is the average caloric requirement for men?

  2500 kilocalories per day
• What does the caloric consumption guidance indicate?

  It varies daily based on individual needs
• What is a calorie defined as?

  Energy to raise 1 gram of water by 1°C
• What is a kilocalorie equivalent to?

  Energy to raise 1000 grams of water by 1°C
• If a woman consumes 2000 kilocalories and spends 2000 kilocalories, what happens to her weight?

  Her weight remains stable
• What occurs if a woman consumes 3500 kilocalories but spends 2000 kilocalories?

  She gains weight over time
• What happens if a woman consumes 2000 kilocalories but spends 2700 kilocalories?

  She loses weight over time
• What are the key principles of energy balance?

  • Consuming more calories than spent leads to weight gain
  • Consuming fewer calories than spent leads to weight loss
  • Consuming the same amount leads to stable weight
• Why is matching calorific intake to energy expenditure important?

  It helps maintain a healthy body weight
• What impact does a sedentary lifestyle have on caloric intake?

  It requires a reduction in caloric intake
• How did the speaker adjust their caloric intake after becoming sedentary?

  By reducing caloric intake to match expenditure
• What are the two variables in energy balance discussed?

  • Caloric intake (consumption)
  • Energy expenditure (spending)