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, 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 …

Nov 6, 2025 · 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 …

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 …

The pectoralis major is the most superficial muscle in the pectoral region. There are 2 heads of the pectoralis major, the clavicular and the sternocostal, which reference their area of origin.

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 …

3 days ago · The pectoralis major muscle group, commonly referred to as the pecs, is a prominent and powerful set of muscles located in the chest region of the human body. Comprising two …

Explore the comprehensive anatomy of the pectoralis major muscle, its origin, insertion, actions, and clinical correlations.

Explore the Pectoralis Major — including its structure, location, and function in the human body.

It also draws the scapula anteriorly and inferiorly. Description: The Pectoralis major is a thick, fan-shaped muscle, situated at the upper and forepart of the chest.