When someone mentions training the core, one of the first thing that pops into most peoples heads is getting that six-pack ready for beach season. However the "core" serves a much greater purpose than simply aesthetics. The musculature of this area of our body includes the muscles of the abdominal wall, the back extensors, the quadratus lumborum, as well as the psoas and gluteals. These muscles function much differently than the muscles of the limbs so they need to be trained differently as well.
A common misconception is that performing repeated flexion of the trunk is an effective way to strengthen the core. A good core stre