Muscles that become big and strong and then atrophy can regrow to their prior size more quickly than muscles that were never big and strong. Why is that?
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Answer:
During the initial growth, trauma to the cell leads to satellite cells donating their nuclei to the muscle cell, so the muscle gains an additional nuclei to produce more contractile protein. During atrophy the contractile protein is lost, but the nuclei is kept. Thus the muscle can regain size quickly. http://www.unm.edu/~lkravitz/Article%20folder/musclesgrowLK.html http://en.wikipedia.org/wiki/Muscle_memory_(strength_training)
Tom Musgrove at Quora Visit the source
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