What Is A Core?
by Mike Romatowski
Many people think that the term “core” refers to the abdominal muscles, or perhaps to the abdominals plus the lower back. I have a better description: Your core is everything but your arms and legs.
Essentially the core is the trunk of the body, including the groin muscles, the hip muscles, the abdominal muscles, the lower back muscles, and the butt muscles. Yep, it’s everything but your arms and legs!
An interesting fact: