Pec muscle insertion on humerus
WebOct 18, 2016 · Fig. 30.1 Tendon of pectoralis major at its insertion onto the humerus Fig. 30.2 Gross anatomy of pectoralis major muscle. Note the anterior lamina formed by the clavicular head, and the sternocostal head curling underneath and inserting progressively higher as the posterior lamina Fig. 30.3 Anatomical relationship between the pectoralis … Webpectoralis 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 (breastbone) in the human body: pectoralis major and pectoralis minor.
Pec muscle insertion on humerus
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WebSep 23, 2024 · A distal pectoralis tendon tear is a rupture to the tendon of the pectoralis major that attaches to your humerus. This can range from mild to severe depending on how much of the tendon itself is damaged. On the mild end, you can experience pain, decreased strength, and functionality. WebOct 13, 2024 · Pectoralis major is a thick, fan-shaped muscle contributing to the thoracobrachial motion. It consists of a clavicular part and a sternal part, both converging …
WebFeb 20, 2024 · The rotator cuff is a group of muscles and tendons that surround the shoulder joint, keeping the head of the humerus firmly situated within the socket of the shoulder. A rotator cuff tear is a common injury in which tendons are … WebMuscle. Action. Origin. Insertion. buccinator. pressing cheek inward, compressing air while blowing. maxilla bone, mandible bone ... pectoralis major. flexing, adducting, and medially rotating the arm at the shoulder. sternum, clavicle. humerus. pectoralis minor. elevating the ribs, moving scapula anterior and inferior, protracting and ...
Web• Location: in addition to its origin or insertion, a muscle name may indicate a nearby bone or body region — for example, ... and depresses scapula Serratus anterior Ribs 1-8 Medial border of scapula Rotates and pulls scapula against rib cage Back & Chest muscles that move the Humerus — originate on the pectoral girdle and/or rib cage, ... WebApr 12, 2024 · Function. The main function of teres major is to produce the movements of the humerus at the glenohumeral joint; it pulls the anterior surface of the humerus medially towards the trunk (internal …
WebThe 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 "chest muscle", because it is the largest …
WebJan 11, 2024 · Injury of the pectoralis major can occur at the muscle origin, muscle belly, musculotendinous junction, intratendinous region, and/or humeral insertion—with or … jeep diamond plate accessoriesWebJun 6, 2024 · The two sections come together as the “pectoralis major tendon,” which wraps around the bone in your upper arm (the humerus). You might commonly refer to these … jeep decorated for halloweenWebSuperficial pectoral (descending portion) Ventral sternum, most cranial aspect (ventral to the transverse pectoral muscle) All but the most distal part of the crest of the greater tubercle of the humerus Adducts the shoulder, prevents abduction in weight-bearing; extends the shoulder; draws the trunk sidewards Cranial pectoral owner of manipal hospitalWebPectoralis major arises from the medial third of the clavicle, from the front of the sternum, and from the front of the first six costal cartilages. It's inserted here, on the anterior edge of the bicipital groove. Pectoralis … jeep difference between altitude and latitudeWebInsertion: Intertubercular groove of the humerus Artery: Pectoral branch of the thoracoacromial trunk Nerve: Lateral pectoral nerve and medial pectoral nerve - Clavicular … owner of mamaearth companyWebNov 6, 2024 · Background . The presented study attempts to classify individual anatomical variants of the pectoralis major muscle (PM), including rare and unusual findings. Rare cases of muscular anomalies involving the PM or its tendon have been presented. An attempt has also been made to determine whether anatomical variations of the PM may … owner of mahindra companyWebJan 11, 2024 · Injury of the pectoralis major can occur at the muscle origin, muscle belly, musculotendinous junction, intratendinous region, and/or humeral insertion—with or without bone avulsion. The extent of the tendon injury ranges from partial to complete tears. owner of malabar gold