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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.
- Muscles of the Shoulder Region - TeachMeAnatomy
The muscles of the shoulder are associated with movements at...
- Pectoralis Major - Attachments - Actions - TeachMeAnatomy
The pectoralis major is a muscle of the anterior chest wall....
- Muscles of the Shoulder Region - TeachMeAnatomy
3 Νοε 2023 · The pectoralis major has a broad origin, based on which it is divided into three parts: clavicular part, sternocostal part and abdominal part. All three parts converge laterally and insert onto the greater tubercle of humerus .
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.
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.
15 Σεπ 2023 · The muscles of the thoracic cage are the pectoralis major, pectoralis minor, serratus anterior, subclavius, intercostal (external, internal and innermost), subcostal and transversus thoracis muscles, including the diaphragm.
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 Οκτ 2022 · The pectoralis major is a muscle of the anterior chest wall. It is a large fan-shaped muscle, which is composed of a sternal head and a clavicular head. Attachments: Clavicular head originates from the anterior surface of the medial clavicle.
