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6 Σεπ 2024 · 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.
- Shoulder Region
The muscles of the shoulder are associated with movements at...
- Shoulder Region
3 Νοε 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 the adjacent skin. In females, it is covered by the breast.
5 Μαΐ 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 most of the chest and breast.
18 Οκτ 2016 · The pectoralis major muscle receives motor innervation by the medial and lateral pectoral nerves, so named because of their origins from the medial and lateral cords of the plexus. The medial pectoral nerve originates from the C7, C8, and T1 nerve roots from the lower trunk of the brachial plexus.
15 Σεπ 2023 · Pectoralis major is a large, fan-shaped, superficial muscle located on the anterior thoracic wall. It forms the bulk of the chest area and can be easily seen on the surface in some people, for example weightlifters.
31 Αυγ 2022 · The pectoralis minor muscle is one of the most superficial muscles on the anterior aspect of the chest or thoracic wall, located deep only to the pectoralis major muscle. It is one of the anterior axioappendicular (thoracoappendicular) muscles, together with the pectoralis major, subclavius and serratus anterior.
7 Σεπ 2023 · 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. Location. 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.
