TeThe Teres Major Muscle is a thick, flat muscle belonging to the scapulohumeral muscle group of the upper extremity. It lies between the scapula and humerus, contributing primarily to extension and medial rotation of the humerus. While it can be confused with the rotator cuff muscles, it differs from this group by not attaching to the shoulder joint capsule.AnatomyMorphology and Connection PointsThe teres major muscle originates from the dorsal surface of the inferior angle of the scapula and the
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SuSubscapularis Muscle is a deep muscle that plays a critical role in shoulder mobility and stability. As the largest and strongest member of the rotator cuff, it performs essential functions in both daily activities and athletic movements. This text provides a detailed examination of the subscapularis muscle’s anatomical structure, morphological features, embryological origin, innervation and vascular supply, and its clinical significance.Anatomical StructureMorphology and Attachment PointsThe su
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MiRhomboid Minor Muscle is a small muscle located in the upper medial region of the back and plays a significant role in controlling scapular movements by anchoring the scapula to the vertebral column. The muscle contributes to shoulder stability, particularly by pressing the scapula against the thoracic wall, and works in conjunction with the rhomboid major.Anatomical StructureMorphology and Attachment PointsThe rhomboid minor muscle originates from the inferior border of the nuchal ligament, the
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SeThe Serratus Anterior Muscle is a flat, broad muscle that originates from the upper eight or nine ribs on the side of the human trunk and inserts onto the anterior surface of the medial (inner) border of the scapula (shoulder blade). It is innervated by the long thoracic nerve, which originates from the brachial plexus. The primary function of the serratus anterior is to pull the scapula forward around the thorax. This muscle plays a key role in upper extremity movements, particularly in raising
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LeThe Levator Scapulae Muscle is a muscle located in the posterolateral region of the neck and is responsible for elevating the scapula. It lies beneath the trapezius muscle and plays an important role in shoulder stabilization.AnatomyMorphology and Connection PointsThe Levator Scapulae Muscle is a long, narrow muscle located in the posterolateral region of the neck. It helps elevate the scapula. It is located deep within the neck, beneath the trapezius and sternocleidomastoid muscles. This anatom
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