They can indeed contract, however do not push themselves out. Damage and healing Muscles get used to the daily load quick. If you unexpectedly positioned them to paintings more difficult, for example at some stage in energy Primal Alpha Beast education, there's damage. Minuscule cracks increase inside the muscle mass which are restored and stuffed up with water, rest and protein. That manner they slowly become thicker, more potent and larger. And they are able to follow a higher tax a next time.
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