Final answer:
The breast lies along the pectoralis major muscle in the anterior thorax. The pectoralis major is a thick, fan-shaped muscle that covers much of the superior thorax. It plays a role in bringing the elbows together and stabilizing the shoulder joint during movement.
Step-by-step explanation:
The breast lies along the pectoralis major muscle in the anterior thorax. The breast lies along the pectoralis major muscle in the anterior thorax. The pectoralis major is a thick, fan-shaped muscle that covers much of the superior thorax. It plays a role in bringing the elbows together and stabilizing the shoulder joint during movement.
The pectoralis major is a thick, fan-shaped muscle that covers much of the superior thorax. It is one of the muscles that cross the shoulder joint and move the humerus bone of the arm. The pectoralis major originates on the axial skeleton and plays a role in bringing the elbows together and stabilizing the shoulder joint during movement of the pectoral girdle.