why “no excercise = tiredness” but “excercising = energy”
In: Biology
Tl;dr – supercompensation and progressive overload.
Your body is actually pretty adaptable to the situation around you, and will do it’s absolute best to make sure you are just about capable to handle the largest stresses you meet on a regular basis. The way it does so is by rebuilding your body sliiightly stronger than it was after you do something very hard. This is called supercompensation.
However, we have a problem: this effect does not last very long. But if you excersise again during this window, you get the same effect, stacked “on top of” the first. To get better, you have to keep exposing your body to gradually increasing stresses (run faster or longer, lift heavier, etc). This is called progressive overload.
These two terms are the cornerstone of every well-designed excersise plan. In time, the stresses of your daily life will no longer be as tiring as they used to be, and you will be less tired because of it.
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