What is exactly stamina? What happens when it gets trained? Do your lungs get better and more efficient at pumping air?
In: Biology
Several things happen when you train stamina.
* Muscles will grow some, and they’ll grow some more blood vessels. Additionally, they’ll hold more oxygen and nutrients. Most of this is hardly visible, but you’d certainly feel it.
* Lung muscles (most importantly the diaphragm, which is basically a funny muscle, but there’s other muscles that contribute to breathing) grow, and get accustomed to the demand.
* The heart might grow some (depending on your age), and it will get accustomed to the demand – essentially,with practice, it’ll learn how to pump more blood.
* The liver is set to build up carbohydrates to release when they’re needed.
* You learn how to use your muscles more efficiently. This includes how to breathe efficiently while exercising.
I’m a lot more of a stamina person than a strength person. I already started with great stamina in my youth, and later extended it to the point where I could walk at a fast pace for a whole day, and the next day, too. Currently, I’m somewhat “rusted”. For example, I won’t start a hundred kilometres hike today. Stamina builds slowly, but it stays a long time, too. Makes sense from an evolutionary perspective.
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