inferior angle of scapula

Keywords Scapula.Cartilage.Inferior angle. angulus inferior scapulae [TA] inferior angle of scapula: the angle formed by the junction of the medial and lateral borders of the scapula. Although scapula fractures of the inferior angle, particularly with oblique lines from the medial proximal to lateral distally, are very rare, we believe that such a fracture pattern would be regarded as an avulsion fracture of the serratus anterior muscle requiring surgery. Let us know if you liked the post. 2011. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Image: Muscles Involved: Serratus anterior (lower fibers) Lower trapezius Upper trapezius Exercises: and the inferior angle (INF) of the scapula to the thorax wall in 29 participants with scapular dyskinesis bilaterally. That’s the only way we can improve. Posterior Chest Wall Latissimus Dorsi Origin Spinous processes of inferior 6 thoracic vertebrae, thoracolumbar fascia, iliac crest, and inferior 3 or 4 ribs, inferior angle of scapula Insertion Floor of intertubercular groove of humerus Action Extends, adducts, and internally In chiropractic education it is commonly taught that the inferior angle of the scapula (IAS) can be located using the rule “7 up, 6 down,” referring to the position of the IAS in relation to the thoracic SPs in the upright and prone positions, respectively [25-27]. Background: Inferior angle of scapula (IAS) fractures are rare, with very few cases reported. The Coracobrachialis, along with the short head of the Biceps brachii, originate at the tip of the coracoid process. Ten months previously, the patient had a car accident while seated in the left rear passenger seat. In this situation, the sides of the scapula nearest the spine are located outward and backward. Isolated fracture of the inferior scapular angle is extremely rare. An abnormally projecting inferior angle of the scapula is identified as a winged scapula and can be produced by paralysis of the serratus anterior muscle. Inferior angle of scapula (IAS) fractures are rare, with very few cases reported. The inferior angle of the scapula appears to be a promising source of vascularized bone stock, and until now, there has been no clear description of its vascular anatomy. The scapula upwardly rotates when you reach your arm up overhead. Scapula ossifies from 1 primary centre and 7 secondary centres of ossification ( 2 for coracoid process, 2 for acromion,1 each for glenoid cavity, inferior angle and medial border). Rhomboid major • Spinous processes of T2-T5 • Supraspinous ligament Medial scapula from the scapular spine to the inferior angle • Extends and/or laterally flexes the head. At birth, a large part of the scapula is osseous, but the glenoid cavity, the coracoid process, the acromion, the vertebral border, and the inferior angle are cartilaginous. It also approximates the scapula against the posterior chest wall whenever the arm is pushed forward against resistance. We present the case of a 20-year-old female with persistent periscapular pain and a winged scapula caused by delayed union of an inferior scapular angle (ISA) fracture. Scapula, showing the lateral, superior, and inferior angles. Introduction: The aim of this study is to describe the anatomy of fractures of the inferior angle and the adjacent part of the scapular body, based on 3D CT reconstructions. When this pulling occurs, the muscles in the area of the inferior angle of he scapula will set off a pain signal because they are being over pulled and are trying to pull the scapula back in place. It stabilizes the scapula as the arm is abducted to 90 degrees, and then helps laterally rotate the inferior angle of the scapula as the arm is further abducted to 180 degrees (straight overhead). Definition: Moving the inferior angle of the scapula (the bottommost point/tip of the scapula) superiorly (upward) and laterally (outward) away from the vertebral column. The inferior angle of the scapula is covered on its dorsal aspect, by the upper border of the latissimus dorsi muscle which frequently receives a small slip of origin from this part of the bone. Palpation of the inferior angle provides a convenient method for following the movement of the scapula during arm motion. attached to the inferior angle of the scapula. One way to loosen this pec muscle is to take a lacrosse ball or baseball and roll it under your collar bone and around the whole chest muscle. The superior angle of the scapula is covered by the upper part of the trapezius muscle. Synonym(s): angulus inferior scapulae [TA] Media in category "Inferior angle of the scapula" The following 31 files are in this category, out of 31 total. Inferior angle of scapula information including symptoms, causes, diseases, symptoms, treatments, and other medical and health issues. Dec 30, 2015 - inferior angle of scapula - Google Search More ideas for you The image of Detachment.Trauma.Sonography Introduction Fractures of the scapula are very rare in children. They typically present with pain, loss of shoulder motion, and scapula winging. It moves forwards round the chest, when the arm is abducted. Two raters measured the ROS and INF distance of the scapula 3 times bilaterally. The scapula is described as having superior At the top of your overhead motion, your scapula should be upwardly rotated about 55 degrees. During this motion, the inferior angle of the scapula (see photo above) rotates up (superiorly) and to the side (laterally). Inferior angle is covered by the latissimus dorsi. 17, 39 Method: In a series of 375 scapular fractures, we identified a total of 20 fractures of the inferior angle of the scapular body (13 men, 7 women), with a mean patient age of 50 years (range 3373). • Elevates the scapula. They typically present with pain, loss of shoulder motion, and scapula winging. The third angle is the inferior angle where the medial and lateral borders meet. Inferior angle of the scapula Lateral angle of the scapula Superior angle of scapula This disambiguation page lists articles associated with the title Angle of the scapula. Medical dictionary. Operative and nonoperative treatments have been trialed with varying success. Gross anatomy Osteology The main part of the scapula, the body, consists of a somewhat triangular-shaped flat blade, with an inferiorly pointing apex, referred to as the inferior angle as well as lateral and superior angles. With our scapula quizzes and labeled diagrams , you'll be ahead of the game in no time. inferior angle of scapula: [TA] the acute angle formed by junction of the medial and lateral borders of the scapula. the inferior angle of the scapula angle (IAS) in the up-right position to line up approximately, on average, with the spinous process (SP) of T8. The scapula is ossified from 7 or more centers: one for the body, two for the coracoid process, two for the acromion, one for the vertebral border, and one for the inferior angle. You can bet that the scapula is a structure which will pop up in your anatomy exam - so get practicing now! Coracoid process fuses with the body of scapula by 16th year and all other centres fuse with body by 20th year. 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