
Pectoralis major: Origin, insertion, innervation,function | Kenhub
Nov 3, 2023 · 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 …
Muscles of the Pectoral Region - Major - Minor - TeachMeAnatomy
Nov 6, 2025 · 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.
Pectoralis Major: Origin, Insertion, Action, Innervation, Diagram
May 5, 2023 · 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 …
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 …
Pectoralis muscle | Definition, Location, Function, & Facts
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 …
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 …
Muscles of the Pectoral Region | Muscle&Motion - Strength …
Nov 14, 2024 · This detailed Muscle and Motion article will explore the anatomy of the pectoral muscles, their functions, and their importance in maintaining upper body strength and stability.
The Power Of Pecs Muscles: Understanding Their Function And …
Mar 21, 2025 · The pectoral muscles, commonly referred to as pecs, are a vital component of the upper body musculature. There are two chest muscles: the pectoralis major (or pec major) and …
Pectoralis major muscle - Structure, Function and Location
The pectoralis major muscle is a large, fan-shaped muscle located in the chest region of the human body. It is responsible for a number of important movements, including flexion, …
Anatomical and surgical considerations of the pectoralis muscle
The pectoralis major (PM) muscle is the largest and most superior muscle of the anterior chest wall. The PM plays an important role in flexion, adduction, and internal rotation of the arm.