Is Heavy Lifting Essential for Building Muscle? | The Science Behind Muscle Hypertrophy
Introduction Defining Muscle Hypertrophy Muscle hypertrophy, also known as muscle growth, is a process that involves the enlargement of muscle tissue. It occurs through two primary mechanisms: the expansion of myofibrils (myofibrillar hypertrophy) and the increase in the volume of fluid within the muscle cells (sarcoplasmic hypertrophy). Muscle hypertrophy is a complex adaptive response to…