11. Heavy loads are strongly correlated with pectoralis major activation. 12. Both multi-joint and single-joint exercises induce pectoralis major hypertrophy. 13. It passes through the deltopectoral triangle, a space between the deltoid and the pectoralis major muscles. 14. In the back, there is the pectoralis major muscle ( in both men and women ). 15. On July 30, starting Left Defensive End Devon Kennard underwent surgery for a torn pectoralis major muscle. 16. Hypertrophy of the pectoralis major increases functionality. 17. The medial pectoral nerve pierces both the pectoralis minor and the sternocostal head of the pectoralis major . 18. Often, the tenderloin ( pectoralis minor ) is marketed separately from the breast ( pectoralis major ). 19. The pectoralis major , teres major, and latissimus dorsi insert at the " intertubercular groove " of the humerus. 20. Two or three branches pierce the muscle and end in the sternocostal head of the pectoralis major muscle.