Comparing Venus Zodiac Signs. Your Venus is in: Note: These compatibility interpretations can be used with Sun Signs as well. When the relationship in question is a love relationship, one factor that should be considered is the comparison of Venus signs.
While primarily working the pectoralis major muscles, using a pec fly machine requires some support from the pectoralis minor muscles in the chest, the deltoid muscles in the shoulders, and the serratus muscles in the rib cage.
In addition to moving the arm and pectoral girdle, muscles of the chest and upper back work together as a group to support the vital process of breathing. The diaphragm is a strong, thin, dome-shaped muscle that spans the entire inferior border of the rib cage, separating the thoracic cavity from the abdominal cavity.n addition to moving the arm and pectoral girdle, muscles of the chest and upper back work together as a group to support the vital process of breathing. The diaphragm is a strong, thin, dome-shaped muscle that spans the entire inferior border of the rib cage, separating the thoracic cavity from the abdominal cavity.