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.
Chest Muscles. The push-up exercise requires the recruitment of many muscles, but there are two primary movers. The chest muscles are the first primary movers and include your pectoralis major and minor. Imagine a Japanese hand fan rotated 90 degrees with the top of the fan pointing toward your sternum and the bottom of the fan pointing out to you upper arm bone -- the humerus.