Energy Expenditure
Definition
Energy expenditure refers to the amount of energy a person uses to perform physical activities, maintain bodily functions, and process food.
Scientific / Technical Definition
Energy expenditure is the sum of all calories used by the body for basic metabolic functions at rest, physical activity, and processing food, often divided into three components: Basal Metabolic Rate (BMR), the Thermic Effect of Food (TEF), and Physical Activity Energy Expenditure (PAEE).
Benefits
- Helps manage body weight by balancing calorie intake and usage.
- Supports physical performance and endurance in athletes.
- Maintains healthy metabolic function and energy balance.
Examples
- Running or engaging in sports can significantly increase energy expenditure.
- Even resting activities like breathing and circulation contribute to energy expenditure.
- Digesting food also requires energy, contributing to total energy expenditure.
Additional Information
- effects: Energy expenditure is crucial for weight management and athletic performance, as it helps to regulate body weight and optimize physical performance through adequate calorie usage.
Last updated: 10/19/2024