What is exactly stamina? What happens when it gets trained? Do your lungs get better and more efficient at pumping air?
In: Biology
People are talking about the Vo2 max which is fine and dandy and all and has affects but muscular endurance matters a lot.
The efficientcy of mitochondria in the muscle, the ability to use fat vs glycogen for energy. It’s why being a professional cyclist helps a little bit with swimming but not all that much. You have trained the legs to efficiently do things, but not the arms.
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