I was running some hill sprints yesterday I’m the 20-30s duration yesterday, allowing myself a couple minutes in between rounds. A few sprints in, I notice my lungs just feeling on fire. I would have imagined that duration would make it anaerobic exercise, so then why would my lungs be burning and I’d be struggling to catch my breath if no oxygen is needed?
In: Biology
Anaerobic exercise makes a byproduct called lactic acid. This is what makes your lungs, and other muscles, burn.
Your body really, really, really prefers aerobic exercise. It can’t do anaerobic exercise forever, and too much lactic acid can hurt you.
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