"Most of us tend toward muscular imbalance. Typically our chest and front shoulder muscles are stronger than our upper back and rear shoulder muscles. As a result, our chins jut out, our shoulders round, and our backs sway."
Sway
"Most of us tend toward muscular imbalance. Typically our chest and front shoulder muscles are stronger than our upper back and rear shoulder muscles. As a result, our chins jut out, our shoulders round, and our backs sway."