Pectoral muscles (colloquially referred to as " pecs ") are the muscles that connect the front of the human chest with the bones of the upper arm and shoulder. This region contains four muscles that provide movements to the upper limbs or ribs.
The pectoral region is located on the anterior chest wall. It contains four muscles that exert a force on the upper limb: the pectoralis major, pectoralis minor, serratus anterior and subclavius. In this article, we shall look at the anatomy of the muscles of the pectoral region – their attachments, actions and innervation.
Pectoralis major muscle (Musculus pectoralis major) The pectoralis major is a paired, superficial muscle located on the anterior surface of the thoracic cage. If you’re a gym lover, you’ll hear these muscles also being referred to as the pecs muscles. The pectoralis major has a broad origin, based on which it is divided into three parts: clavicular part, sternocostal part and abdominal ...
The pectoralis major is the superior most and largest muscle of the anterior chest wall. It is a thick, fan-shaped muscle that lies underneath the breast tissue and forms the anterior wall of the axilla[1]. The pectoralis major is the most superficial muscle in the pectoral region. There...
Pectoralis muscle, any of the muscles that connect the front walls of the chest with the bones of the upper arm and shoulder. There are two such muscles on each side of the sternum (breastbone) in the human body: the pectoralis major and the pectoralis minor.
Your pectoral muscles, commonly referred to as pecs, are a vital component of your upper body musculature. Comprising the pectoralis major and pectoralis minor, these muscles play a crucial role in various movements, including pushing, lifting, and stabilizing the shoulders and arms.