http://www.youtube.com/watch?v=cBfkU8tza74
It’s important to have a balanced core. The core is not just your abs (gimmie a 6 pack! woohoo!). It’s made up of the rectus abdominis, internal & external obliques, transverse abdominis, and the erector spinae muscles of the lower back. To have a strong core, we need to work all aspects!
