Add Yahoo as a preferred source to see more of our stories on Google. Marlo Alleva demonstrates a lunge with torso twist Who doesn’t like challenging their coordination from time to time. And balance.

Regardless whether physical fitness is a top priority in your life, most know that the strength of the body comes from the core. Our balance, stability and power starts in the middle, and works itself ...

Regardless whether physical fitness is a top priority in your life, most know that the strength of the body comes from the core. Our balance, stability and power starts in the middle, and works itself ...