Pectoralis major muscle - Kenhub
2023年11月3日 · The pectoralis major muscle is a broad superficial muscle found superficially in the anterior chest wall. In males, it is covered by the deep layer of fascia, subcutaneous tissue and the adjacent skin. In females, it is covered by the breast.
Muscles of the Pectoral Region - Major - Minor - TeachMeAnatomy
2024年9月6日 · There are three muscles that lie in the pectoral region and exert a force on the upper limb. They are the pectoralis major, pectoralis minor, and the serratus anterior. In this article, we shall learn about the anatomy of the muscles of the anterior chest.
Pectoralis Major: Origin, Insertion, Action, Innervation, Diagram
2023年5月5日 · The pectoralis major is a large, triangular, or fan-shaped superficial muscle lying at the anteriormost position in the chest cavity. It forms the front wall of the axilla, making up most of the chest and breast.
Pectoralis major - Wikipedia
The pectoralis major's primary functions are flexion, adduction, and internal rotation of the humerus. The pectoral major may colloquially be referred to as "pecs", "pectoral muscle", or "chest muscle", because it is the largest and most superficial muscle in the chest area.
Anatomy, Thorax, Pectoralis Major Major - StatPearls - NCBI ...
2023年7月24日 · 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.
Pectoralis major - Physiopedia
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. The pectoralis major is the most superficial muscle in the pectoral region.
The Anatomy of the Pectoralis Major Muscle - Verywell Health
2023年9月7日 · The pectoralis major is a fan-shaped muscle in the front of your chest wall. The muscle has two heads: the clavicular head and the sternocostal head. The clavicular head originates from the front of your collar bone (medial clavicle), then continues down your upper arm bone (humerus) where it attaches at the intertubercular sulcus.