Understanding Metabolism


Understanding Metabolism

What exactly is metabolism?

Good question!

Metabolism is defined is the bodies processes needed to maintain life. When we hear the word today is most often goes with weight issues.

For instance, “I can’t lose weight because I have a slow metabolism.”

While there is some truth to this there are also a bunch of other factors at play when it comes to weight issues. How much you exercise, how active your job is, how intense your exercise is, and several other factors are often bigger factors then metabolism. Also, its important to take into account the amount of lean muscle mass you carry around also contributes to your metabolism.


Some facts

  • The process of metabolism is how your body turns food into the energy it needs to move and handle the bodies processes. This is a vital for all living things not just to humans.
  • Medications can affect your metabolism either slowing it down or speeding it up to unhealthy levels
  • Eating breakfast daily can jump start your metabolism for the day.
  • Weight loss especially when it happens very rapid can slow your metabolism. This happens because your body needs less energy for your body to function with the drop in bodyweight. This is why when you lose bodyweight you should eat less calories and increase exercise levels to continue dropping pounds.
  • As you age your metabolism can slow. Generally speaking as you age you gain body fat and lose muscle mass. The way to combat this is by exercising and paying closer attention to the quantity and quality of your food.

Understanding Weightloss/Weight Gain with Metabolism

Weight gain and weight loss for most people is simply numbers. Your body is a beautiful things almost to a fault. It is always trying to protect you and adapt to any stress or environment it is placed in. Now I’m gonna make an assumption and guess that if you are a person looking for weightloss you tried before and you ate barely anything. You may have lost weight at first…then……it stopped and you stayed the same or maybe even gained weight. Or let’s look on the other side, you wanted to gain weight and you “Thought” you were eating more and couldn’t gain weight.

Here’s some factors as to why this happened:

  • Basal Metabolic Rate (BMR) – This is how many calories your body burns if you were to lay in bed all day doing no movement. This is affected by your lean muscle mass, your adrenal health, thyroid, and other hormone levels. This also slows down when you aren’t eating enough food to fuel normal processes aka “Under-eating” as mentioned below. Your body slows down this to keep you alive and conserve as much energy as possible and stores it as fat. Also, if you are looking to gain weight and you aren’t eating enough to clear this basic number you may find yourself with less than perfect results.
  • Thermal Effect of Feeding (TEF) – This is how many calories burned above a resting rate. Food quality comes into play here because this is a measure of how hard your body has to work to break down food and ship nutrients throughout the body.
  • Exercise Energy Expenditure (EEE) – This is how much energy you burn doing exercise and this is also based off a persons fitness level.

All of these factors are at play when you are both looking to lose weight or gain. Evening when you are trying to maintain your body weight you should pay attention to these types of things.

This is a very brief blog on this but you can see why it’s important to take these things into account when you are planning out an exercise or nutrition program.


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Written by:

Cody Smith

Create Yourself Training

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