Eli5: Why do you feel the burn after exercise such as lifting weights or a run after two days rather than immediately afterwards?
In: Biology
There are two kinds of muscle soreness, acute and delayed. Acute you can feel sometimes when training hard.
Delayed is quite common, it’s called delayed onset muscle soreness(DOMS) and we don’t fully know the mechanism for why it happens, but we do know it has something to do with microtears in the muscle tissue which needs healing.
Could be that the healing process is causing the burn and the delay is explained by the time it takes to properly start healing the muscle tissue.
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