Rather than training for mirror muscles or picking up another fad workout routine, why not train to support your everyday life? Functional fitness is all about exercises that mimic natural, real-life ...

Oluseun Olufade, MD, is an Orthopedic Surgeon and Assistant Professor of Orthopedics at the Emory School of Medicine. The sternum protects your heart and lungs by acting as a shield in your chest.