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.
Considerations. The wall of your chest is flexible. This helps you breathe normally. Stiff tissue called cartilage attaches your ribs to the breast bone (sternum). The intercostal muscles are the muscles between the ribs. During breathing, these muscles normally tighten and pull the rib cage up.