Pectoralis major clavicular head action
WebOct 13, 2024 · Actions of Pectoralis Major Muscle: Clavicular head: Flex the arm at the shoulder (glenohumeral) joint. Sternal head: Extends the arm at the shoulder … WebJul 8, 2024 · The sternocleidomastoid muscle, where the muscular clavicular head of the muscle is attached to the superior surface of the bone. The pectoralis major muscle, which is attached to the anterior …
Pectoralis major clavicular head action
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WebPECTORALIS MAJOR; Origin: Clavicular head: anterior portion of the medial half of the clavicle Sternocostal head: anterior surface of the sternum; upper six costal cartilages; aponeurosis of the external oblique muscles: Insertion: crest of the greater tubercle or the lateral border of the intertubercular sulcus. Action: Clavicular head ... WebJan 18, 2024 · The pectoralis major consists of two heads. One of the heads is called the clavicular head, which originates on the inside part of the clavicle (collarbone). The other …
WebPectoralis Major. Origin. Clavicular head. anterior surface of medial half of clavicle. Sternocostal head. anterior surface of sternum, superior six costal cartilages, and … WebSep 6, 2024 · The pectoralis major is fan shaped and consists of two heads, the clavicular head and the sternal head. On the human body, the pectoralis major can be located by …
WebApr 15, 2024 · 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 …
WebAug 8, 2024 · Clinical testing: On lifting a massive rod, the clavicular head becomes prominent and when one tries to lower the rod, the sternocostal head becomes prominent. Clinical Significance. Congenital anomaly of …
WebSep 6, 2024 · The pectoralis major is fan shaped and consists of two heads, the clavicular head and the sternal head. On the human body, the pectoralis major can be located by palpating the region... lagu cut zuhra mengalah mp3WebThe pectoralis major’s actions are: humeral adduction, medial rotation of the humerus, the clavicular head can cause flexion of the humerus and the sternocostal head can cause extension of the humerus [7] [8]. Innervation The pectoralis major is innervated by the medial and lateral pectoral nerves (C5-T1) [9]. Blood Supply jeep 76132WebJun 9, 2024 · Action. Adducts and medially rotates humerus. Clavicular portion: flexes and medially rotates shoulder joint, and horizontally adducts humerus toward opposite shoulder. Sternocostal portion: obliquely adducts humerus toward opposite hip. Pectoralis major is one of the main climbing muscles, pulling the body up to the fixed arm. Nerve lagu cut zuhra mengalahWebMay 10, 2024 · Location. most commonly occurs as a tendinous avulsion. sternocostal head insertion of the pectoralis major tendon is the most common site of rupture. Risk factors. anabolic steroid use. Etiology. … jeep 78731WebFeb 9, 2024 · The pectoralis major muscle is divided into two heads. The superior half, or clavicular head, arises from the medial clavicle and upper portion of the sternum. The inferior half, or sternal head, originates from the distal sternum, the aponeurosis of the external oblique muscle, and the cartilage of the first to sixth ribs. jeep 78227WebAug 30, 2024 · The actions of the pectoralis major are dependent on which parts of the muscle are activated. The fibers attaching to the clavicular head allow for the flexion of the humerus, seen as in lifting a glass for a toast. However, the muscle fibers attaching to the sternocostal head permit the horizontal and vertical adduction, extension, and ... jeep 76 cj5WebThe sternocleidomastoid muscle, clavicular head of the muscle attaches to the medial third of the clavicle. The pectoralis major muscle, which is attached to the anterior surface of … jeep 79 4x4