Why muscles aren't torn down and built back bigger
The Chris and Paul Show
The Effects of Excentric Contractions on Muscle Damage
The same calcium ion accumulation that causes the muscle damage also causes low frequency fatigue, which is another form of post-workout fatigue. When we train a muscle out of a longer muscle link, we open up those stretch activated ion channels like you're talking about in the amount of calcium ions get kind of flooded into the cell. And so, ultimately, when we have to have something that removes those calcium ions from the cytoplasm, generally, that's done by the mitochondria. The protective effect, protective effect, is the fiber type shifting is part of that.
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