Breast Muscles Anatomy

The breast can be considered to be composed of two regions. The anatomy of the breast is depicted.

Human Chest Anatomy Images Stock Photos Vectors

The major muscles in the upper torso of the body include.

Breast muscles anatomy. This muscle extends across the neck shoulder and back. It lies superficially to the pectoralis major and serratus anterior muscles. Womens breasts are made of specialized tissue that produces milk glandular tissue as well as fatty tissue.

The base or bed of the breast is formed by the fascia that covers the pectoralis major and minor muscles about tow thirds and the fascia of the serratus anterior muscle about one third. Chest muscles are responsible for adduction internal rotation and forwards flexion of the humerus. Circular body largest and most prominent part of the breast.

The breast is the tissue overlying the chest pectoral muscles. This muscle group is responsible for pushing movements and interacts synergistically with the anterior deltoid of the shoulder and triceps of the arm. Axillary tail smaller part runs along the inferior lateral edge of the pectoralis major towards the axillary fossa.

The breast runs from the second rib at the top superiorly to the sixth rib at the bottom inferiorly although larger breasts and the lactating breast may. It allows for movement of the shoulders and shoulder blades. A sagittal cut away view shows the structures that comprise the breast including the pectoralis major muscle fat lobes and ducts.

Attached to the shoulder blade this muscle is one of many that aids shoulder movement.

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