What causes the feeling of soreness after physical activity?
In: Biology
Delayed onset muscle soreness (aka DOMS) is what you are referring to from being sore 1-2 days following exercise. Like previous people stated, we do get “micro tears” in our muscle during intense exercise. These tears have to be rebuilt. Often, the onset is within 24-48 hours and can last several days depending on how intense the workout was. A prolonged and much more serious version of this, rhabdomyolysis, is an injury to muscle tissue that results in muscle death. The muscle is broken down, enters the bloodstream and can cause kidney failure.
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