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This angle is formed by the junction of the superior and medial borders of the scapula. The superior angle is located at the approximate level of the second thoracic vertebra. The superior angle of the scapula is thin, smooth, rounded, and inclined somewhat lateralward, and gives attachment to a few fibers of the levator scapulae muscle. [5]
The scapular line, also known as the linea scapularis, is a vertical line passing through the inferior angle of the scapula. [ 1 ] It has been used in the evaluation of brachial plexus birth palsy.
Vertical lines: Midline, lateral sternal line, parasternal line and midclavicular line. Horizontal lines: Level of the sternal angle, and zipho-sternal line. Anatomical "lines", or "reference lines," are theoretical lines drawn through anatomical structures and are used to describe anatomical location.
Superior part of medial border of scapula: Artery: Dorsal scapular artery: Nerve: Cervical nerve (C3, C4) and dorsal scapular nerve (C5) Actions: Elevates scapula and tilts its glenoid cavity inferiorly by downwardly rotating the scapula: Identifiers; Latin: musculus levator scapulae: TA98: A04.3.01.009: TA2: 2234: FMA: 32519: Anatomical terms ...
It attaches to the scapula and the humerus and is one of the seven scapulohumeral muscles. It is a thick but somewhat flattened muscle. It is a thick but somewhat flattened muscle. The teres major muscle (from Latin teres , meaning "rounded") is positioned above the latissimus dorsi muscle and assists in the extension and medial rotation of the ...
The sternal angle marks the approximate level of the 2nd pair of costal cartilages, which attach to the second ribs, and the level of the intervertebral disc between T4 and T5. [13] In clinical applications, the sternal angle can be palpated at the T4 vertebral level. The sternal angle is used in the definition of the thoracic plane. This marks ...
The subscapular artery, the largest branch of the axillary artery, [1] arises from the third part of the axillary artery at the lower border of the subscapularis muscle, which it follows to the inferior angle of the scapula, where it anastomoses with the lateral thoracic and intercostal arteries, and with the descending branch of the dorsal scapular artery (a.k.a. deep branch of the transverse ...
posterior surface of inferior angle of scapula: medial lip of intertubercular sulcus of humerus: subscapular artery, circumflex scapular artery: lower subscapular nerve (segmental levels C5 and C6) internally rotates humerus: 2 1 supraspinatus: Upper limb, Shoulder, rotator cuff, Right/left supraspinous fossa of scapula: superior facet of ...