I was watching a documentary about high level athletes and it got me thinking about how extraordinary their feats are, can’t we tackle each symptom of exhaustion to make it so that the general public is more capable ? like an oxygen tank for the oxygen need, a cold water container for the thirst and heat and maybe an exoskeleton for an easier time, I’m asking why these notions are not feasible.
In: 55
The oxygen depleting isn’t necessarily an issue, at sea level the hemoglobin in your blood is fully saturated with oxygen. The probably is mostly the efficiency of your cardiovascular system.
As you seem to already know, your muscles require more oxygen when you exercise, so the heart now has to work harder to deliver blood to those muscles, but your heart itself also requires more oxygen to maintain the elevated rate of contraction.
If an untrained person tried to run a marathon, their heart wouldn’t be capable of delivering that much blood for that long to the person’s legs and eventually their muscles would be unable to continue running. As the person trains more, the heart grows stronger and is more efficient at delivering oxygen to the body, allowing muscles to work harder for longer.
Oxygen tanks wouldn’t really solve the issue because your blood is essentially always fully saturated with oxygen once it passes through your lungs. And even if you iced the muscles, that wouldn’t solve the loss of strength from the lack of oxygen
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