Mark Burnley, an endurance physiologist at the University of Kent, investigates the biology that underpins how fast somebody can run at a variety of distances, from sprints to ultramarathons.
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“We then have anaerobic metabolism, which are energy-transfer processes not involving oxygen.” The reason you couldn’t sprint a marathon, he says, is that your body can’t supply energy rapidly enough using the aerobic system.
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However, if you work nights, you might need to nap late in the day before work to help make up your sleep debt.
This is because they have an aerobic base capable of producing energy aerobically at more increased efforts than the untrained individual. They can work harder for longer without relying on anaerobic glycolysis.
However, these fluctuations will matter a lot more in an aerobically untrained individual because they lack the vacuum components to use their lactate.
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A doctor may recommend a sedating antihistamine, but only as a short-term solution. Though they are not addictive, the body gets used to them quickly, so they can become less effective over time.
The focus is to recruit our Type I fibers for repeated bouts of relatively low-intensity exercise to improve muscular endurance.
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