Most, if not all, of the increase in muscle size due to strength training is the result of
A) hypertrophy.
B) hyperplasia.
C) both hypertrophy and hyperplasia equally.
D) neither hypertrophy nor hyperplasia.

Question

Quizplus · Accepted Answer

Hypertrophy is the increase in size of muscle fibers, and it is the primary factor in muscle size increase in response to strength training. Hyperplasia, the increase in number of muscle fibers, may occur to a small extent but is not the primary mechanism for muscle growth in response to strength training.

Most, If Not All, of the Increase in Muscle Size