The term yoga actually covers a vast array of paths and disciplines all designed to return a person to harmony. The physical postures that we call yoga are, more correctly, called asana. An asana practice is also inseparably linked with a breathing practice. In fact, the simple intention of synchronizing breath with movement is at the heart of many of the asana practices currently popular. A full, steady breath is always the goal of the experienced yogi, regardless of the complexity of the pose.
Try this: slouch, constrict your chest cavity and your breathing and stare at the floor. See if your mood doesn