Energy Budgets

• What is basal metabolic rate?

  The number of calories required to keep your body functioning at rest
• What are the two types of obesity indicator?

  • BMI
  • Waist-to-hip ratio
• Features of BMI method:

  • Individuals with BMI over 30 are classified as obese
  • Calculated using weight(kg)/height(m)^2
  • Identifies those at risk of higher blood pressure
• Features of Waist-to-hip ratio method:

  • Takes abdominal fat into consideration
  • Positive correlation between ratio and risk of CVD
• What 3 factors affect BMR?

  • Age
  • Sex
  • Body size
• What is the correlation between BMR and age?


  A positive correlation
• How can sex affect BMR?


  Males have a higher BMR on average
• How can body size affect BMR?

  A larger body means a larger BMR
• How can the environment affect BMR?

  Colder environments will require a higher BMR
• How to calculate waist-to-hip ratio?

  Divide waist circumference by hip circumference