Hypertrophy is, by definition, the enlargement of an organ or tissue from the increase in size of its cells. Not to be confused with hyperplasia, the process of increasing the number of cells ...

the increase in cardiac mass results from a combination of myocyte hypertrophy and hyperplasia resulting from the differentiation of CSCs. 22 There are also numerous clusters of stem cell progeny ...

That’s where hypertrophy training comes in ... “The water that gets pulled into the muscle cell, which creates the growth, also causes an immediate swelling,” Miranda says.