Activity Thermogenesis - the energy you expended moving around, including both structured exercise and non-structured movement (e.g., walking place to place or doing chores). Thermic Effect of Food - the energy it takes to process the food you consume. Basal Metabolic Rate - the energy expended by your body tissues to just keep them alive and functioning. In most people this TDEE is comprised of the following components: Energy that leaves our body is usually described as our Total Daily Energy Expenditure, or TDEE. The energy that leaves our body is a bit more complicated: it is a result of our basal metabolism (which gets really complicated) and any sort of physical activity we do that requires energy to accomplish. The energy that goes into our body is relatively simple to understand-it comes from the calories in the food that we consume. Well, the simplest way to think about it is to think about how energy goes into our body and how it leaves our body. Now, what exactly does that mean in the context of us as people in our daily lives? What Are the Types of Energy Balance?Ībove we discussed a few concepts about energy balance and how you can be in positive, negative, or equal/perfect energy balance. To break this down very simply, let’s look at three possible scenarios as it relates to energy in humans.ġ) Energy going into the body > Energy leaving the body = The body has positive energy balance.Ģ) Energy going into the body < Energy leaving the body = The body has negative energy balance.ģ) Energy going into the body = Energy leaving the body = The body has equal energy balance. This means that as humans, all energy must be accounted for when it enters and leaves our body, and that any difference in net energy is accounted for. The law of conservation of energy: Energy cannot be created or destroyed in an isolated system. It is based on one of the core concepts in physics, specifically, the concept of the law of conservation of energy. This means that, fundamentally, human beings are just a complex system of mass, which is where we walk into the concept of energy balance.Įnergy balance is the concept that helps us understand how humans gain, lose, and maintain weight. So, no matter how complicated and crazy biology may seem, at the end of the day, our body’s follow the “laws” of physics. 
To cut straight to the point, as humans, we exist in the physical universe. This article will lay the foundation for what energy balance is, how it relates to metabolism, and how it can be changed. It is a concept that applies to almost every aspect of health & fitness coaching: from nutrition coaching, personal training, strength & conditioning, and even sports coaching.A robust understanding of energy balance is critical.
Energy balance is one of the most fundamental concepts in the context of health & fitness as it plays a central role in human health and human performance.
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