Tag: Serratus anterior

According to the National Institutes of Health, the pectoralis major is the largest and most superficial muscle on the anterior chest wall, lying directly underneath the breast tissue. Understanding the roles of the pectoralis major and other surrounding muscles helps explain what is the muscle under my breast called and how it functions in daily movement and breathing.

Did you know that issues with the serratus anterior muscle are implicated in many shoulder pain conditions? Understanding what is the action of the serratus anterior on the shoulder is key to appreciating its vital role in overhead mobility, stabilization, and overall shoulder health.

The human chest contains several layers of muscle, with the most visible layer being the pectoralis major. However, what is the muscle under your chest called that lies deeper and plays a crucial, though less-known, role in movement and stability? This guide explores the deeper anatomy of the thoracic region.

Anatomically speaking, several muscles occupy the lateral chest region, with one of the most notable being the serratus anterior. Understanding what is the muscle on the side of my chest is key to identifying the source of any potential discomfort or for improving overall upper body health.

The chest is a muscular powerhouse, with the large pectoralis major being its most prominent feature. If you have ever asked yourself **what are the muscles in the chest called?**, this comprehensive guide provides authoritative insight into their anatomy, function, and importance for overall health and fitness.