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The scapula (pl.: scapulae or scapulas [1]), also known as the shoulder blade, is the bone that connects the humerus (upper arm bone) with the clavicle (collar bone). Like their connected bones, the scapulae are paired, with each scapula on either side of the body being roughly a mirror image of the other.
The root of the spine of the scapula is the most medial part of the scapular spine. It is termed "triangular area of the spine of scapula", based on its triangular shape giving it distinguishable visible shape on x-ray images. [1] The root of the spine is on a level with the tip of the spinous process of the third thoracic vertebra. [2]
In human anatomy, the acromion (from Greek: akros, "highest", ōmos, "shoulder", pl.: acromia) is a bony process on the scapula (shoulder blade). Together with the coracoid process, it extends laterally over the shoulder joint. The acromion is a continuation of the scapular spine, and hooks over anteriorly.
The posterior branch of the suprascapular artery supplies the supraspinatous muscle. Dorsal scapular artery also gives off a collateral branch and anastomoses with the suprascapular artery. [1] Suprascapular nerve from the brachial plexus passes through the suprascapular notch as it approaches the fossa to supply the supraspinatus muscle ...
The scapulocostal joint (also known as the scapulothoracic joint) is a physiological joint formed by an articulation of the anterior scapula and the posterior thoracic rib cage. It is musculotendinous in nature and is formed predominantly by the trapezius , rhomboids and serratus anterior muscles.
Posterior tubercles of transverse processes of C1 - C4 vertebrae: Insertion: 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 ...
Shoulder anatomy, front view Shoulder anatomy, back view The rotator cuff is an anatomical term given to the group of four muscles and their tendons that act to stabilize the shoulder. [ 3 ] These muscles are the supraspinatus , infraspinatus , teres minor and subscapularis and that hold the head of the humerus in the glenoid cavity during ...
The glenoid fossa of the scapula or the glenoid cavity is a bone part of the shoulder.The word glenoid is pronounced / ˈ ɡ l iː n ɔɪ d / or / ˈ ɡ l ɛ n ɔɪ d / (both are common) and is from Greek: gléne, "socket", reflecting the shoulder joint's ball-and-socket form. [1]