Diet and Energy

• If fewer calories are burned than consumed


  It leads to weight gain
• Waist-to-hip ratio

  Used to determine the likelihood of getting heart disease based on fat distribution in the body. A value above 1 suggests a health risk
• BMI


  Body mass index calculated by dividing body mass in kilograms by height in meters squared
• Energy balance is the balance of calories consumed through eating and drinking, compared to calories burned through physical activity
• A BMI value below 18 indicates the individual is underweight, while a value above 30 indicates the individual is obese
• If a greater number of calories is burned through physical activity than is consumed


  It leads to weight loss
• Ways of determining weight status

  • BMI calculation
  • Waist-to-hip ratio evaluation
• Energy budget


  The amount of energy taken in by an organism and the amount of energy used up by an organism