Suck in Your Gut!
advise ?bracing? the muscles - stiffening all of the muscles instead of sucking in - to protect the spine... bracing your abs and keeping your head high works better in some situations than merely sucking in the gut
Exploding the Six Pack Myth
Exploding the Six-Path Myth
By Kara Wily
Imagine you wanted to design a supportive structure for your torso, you probably would not build a single layer brace that lay down the front of your torso