Injury can derail any bodybuilder's training, and is responsible for ruining many careers, but this sort of functional balance will dramatically reduce the incidence of injury. (muscleandbrawn.com)
I could care less if I have a «6 - pack» I'd rather have a strong, tight stomach and a fully functional BALANCED core that allows me to move in every direction and enjoy all of the activities I love. (thebettyrocker.com)
The result of this disturbed functional balance is impaired core stability. (yogauonline.com)