After several visits to the gym and serious "iron pumping" (strength training)you notice that your biceps have enlarged.Which one of the following has happened to your muscles?

Question

Quizplus · Accepted Answer

Hypertrophy is the enlargement of muscles due to an increase in the size of individual muscle fibers, which is a common result of strength training. Atrophy refers to the shrinking of muscle fibers, dystrophy is a genetic disorder that affects muscle function, hyperplasia is an increase in the number of muscle fibers (which is controversial and disputed), and heterotrophy is not a recognized term in muscle physiology.

After Several Visits to the Gym and Serious "Iron Pumping