If you are even a casual bodybuilder you have likely heard the term muscle hypertrophy. In simplest terms, muscle hypertrophy is the growth of muscle fibers. It’s a key factor in bodybuilding and sculpting a physique. While any gym goer has likely activated muscle hypertrophy through the act of weightlifting – there is a lot of science behind how this muscle growth actually occurs. Understanding the key factors behind this science can help you optimize your training for better muscle growth. In our latest episode of Straight Facts, Jerry Brainum breaks down everything you need to know about muscle hypertrophy.