Training to failure is a concept that is often talked about in bodybuilding, strength sports, and weightlifting. The basic concept is all in the phrase – you must train so hard that you cannot physically lift any further. The theory is that this pushes your muscle fibers to such a level that you get the best muscle growth possible. But does the science back up the claims? In our latest episode of Straight Facts, Jerry Brainum dives deep into training to failure.