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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.
- Types of Movements in The Human Body
Flexion and extension of the shoulder occur like this:....
- Pectoralis Minor Muscle
The pectoralis minor muscle is one of the most superficial...
- Types of Movements in The Human Body
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.
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.
12 Μαΐ 2019 · In this article and video, learn the basics of the pec anatomy and how that affects stretching and self massage techniques. There are safe ways to address these muscles without irritating the shoulder joint, brachial plexus, or ribs.
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.
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.
