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– A winged scapula (scapula alata) is a skeletal medical condition in which the shoulder blade, or shoulder bone, protrudes from ... A winged scapula is considered normal posture in young children, but not older children and adults. Anatomie, ostéologie, rhumatologie N. f. * scapula : du latin médiéval scapulare, de scapula {scapul(o)-, -scapulaire}, épaule, ou du bas latin spathula, épaule, omoplate, de spatha, épée. This joint is supported by the acromioclavicular ligament which attaches to the acromion process at one end and the clavicle at the other. In a mild separated shoulder, the ligaments might just be stretched. At its upper and outer angle the scapula bears a shallow hollow with which the rounded head of the upper arm bone (the humerus) articulates. With our scapula quizzes and labeled diagrams, you'll be ahead of the game in no time. 2021 Definition of scapula. Copyright © Rate it: What does Scapula mean? Kim Bengochea, Regis University, Denver, Author: 1 a : a long wide band of cloth with an opening for the head worn front and back over the shoulders as part of a monastic habit. Register now The main reasons for this condition are musculoskeletal- and neurological-related. In severe injuries, ligaments might be torn.In most people, a separated shoulder doesn't usually require surgery. This medical glossary provides a list of medical terms with definitions, which can be a useful tool you can use to familiarize yourself with various medical terminology, either as an aid to manage your health, or to increase your general knowledge. “I would honestly say that Kenhub cut my study time in half.” The medical term for the shoulder blade is the scapula. PRotraction -  Pectoralis minor & seRRatus anterior Of these muscles some retract and some protract the scapula and there is a very easy way to remember them! Along with the spine, there are two more processes: the coracoid and acromion process. Rating. The scapula, also known as the shoulder blade, is a flat triangular bone located at the back of the trunk and resides over the posterior surface of ribs two to seven. Shoulder impingement: The acromion (edge of the scapula) presses on the rotator cuff as the arm is lifted. Acromion: The projection of the scapula (the shoulder blade) that forms the point of the shoulder. Impingement – a term often used, when referring to the shoulder, to describe the concept of pathologic pressure on the rotator cuff from part of the shoulder blade (scapula) as the arm is lifted. Scapular dyskinesis is an alteration in the normal position or motion of the scapula during coupled scapulohumeral movements.It occurs in a large number of injuries involving the shoulder joint and often is caused by injuries that result in the inhibition or disorganization of activation patterns in scapular stabilizing muscles. A winged scapula (scapula alata) is a skeletal medical condition in which the shoulder blade protrudes from a person's back in an abnormal position.. The bone is surrounded and supported by a complex system of muscles that work together to help you move your arm. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Snapping scapula syndrome is when there is abnormality at the scapulothoracic joint which leads to non-smooth articulation. The acromion is part of the scapula. Medical Glossary – Definitions of Medical Terms. A flat, triangular bone with a prominent, near-horizontal raised spine, lying over the upper ribs of the back. Medical » Physiology. Like any triangle, the scapula consists of three borders: superior, lateral and medial. b : a pair of small cloth squares joined by shoulder tapes and worn under the clothing on the breast and back as a sacramental and often also as a badge of a third order or confraternity. Read more. Scapula Function. Most scapula fractures can be managed effectively with closed treatment. C40.01. Like any bone, the scapula is subjective to fractures. Scapulohumeral rhythm (also referred to as glenohumeral rhythm) is the kinematic interaction between the scapula and the humerus, first published by Codman in the 1930s. Reading time: 15 minutes. The change of the normal position i… This allows the arm to move with the scapula, providing a wide range of movement and mobility for the upper limb compared to the lower limb. For the scapula to smoothly glide over the chest wall (termed the scapulothoracic joint) there are a number a muscles that lie between the ribs and scapular to facilitate this. and grab your free ultimate anatomy study guide! Can be a result of serratus anterior muscle dysfunction. 2019 © Clinical Skills Education LLC. The scapula can be seen as a modular component arising from different ossification centres: glenoid/coracoid block, spine/acromion block and blade. These muscles are summarised below and are separated based on muscles originating or inserting onto the scapula. Back tension is the contraction of several muscles in the back, the most important of which are the rhomboid muscles between the scapulas. It also has the glenoid cavity or socket along this border, a shallow fossa which articulates with the head of the humerus, forming the glenohumeral joint. C40.00. SC: Scapula. The term “scapular snapping syndrome” refers to The scapula, along with the clavicle and the manubrium of the sternum, make up the pectoral (shoulder) girdle which connects the upper limb of the appendicular skeleton to the axial skeleton. Read more. A pair of pieces of cloth joined by shoulder bands and worn under clothing on the chest and back as a sacramental, sometimes entailing lay affiliation with a religious order. Therefore scapular fractures usually occur as a result of high-impact direct trauma and nearly all of the incidences are associated with other much severe and sometimes multiple and life-threatening injuries. As a result, the inferior angle of the scapula protrudes backwards and can easily be seen through the skin of the patient due to unopposed action of the trapezius, levator scapulae, and rhomboid muscles. The shoulder blades attach the upper arm and upper back muscles that raise your arms and shoulders and bend your neck backwards or sideways. Four of these muscles form the rotator cuff, which covers the shoulder capsule (subscapularis, infraspinatus, teres minor and supraspinatus). It can affect a person's ability to lift, pull, and push weighty objects. The top of the shoulder is acromial. It arches over the glenohumeral joint and articulates with the lateral acromial end of the clavicle to make up the synovial acromioclavicular joint. Scapula has the greatest number of muscles attached to it than any other bone. All of the important anatomical landmarks of the scapula, together with the clinical conditions that may affect it, will be described in this article. Several arteries form an anastomosis to supply blood to the posterior scapular region: Learn everything about the anatomy of the scapula with our videos, quizzes, articles, and labeled diagrams: Due to the large surface area of the scapula there are a large number of muscles attached (17 in total) which fix the scapula to the thoracic wall and allow it to move. Description. Anteriorly, the scapula is protected by the rib cage and thoracic cavity and posteriorly. The coracoid process is a beak-like bent that projects anterolaterally from the superior border. ... Options. Lorsqu'il est employé seul, le mot scapula désigne l'omoplate (du grec ômos , épaule, ou ômoplatê, os plat de l'épaule. Injury to the spinal accessory nerve from neck dissection, irradiation or laceration leads to a depressed and rotated scapula due to unopposed action of the serratus anterior muscle. : Among the 1,080 scapulae Gray found 214 acromial processes that he classified as quadrangular. The coracoid process allows the attachment of various muscles and ligaments. Definition: The flat triangular bone in the back of the shoulder. scapula. 3. This interaction is important for the optimal function of the shoulder. There was no recurrence or tumor metastasis at a follow … Not only do our quizzes test your knowledge - they can also teach you a topic from scratch! At the back of the scapula is the convex and uneven posterior surface which has a protruding ridge of bone (spine of the scapula) that unevenly separates it into two divisions: the superior supraspinous fossa and the much bigger, inferior infraspinous fossa. Scapulothoracic bursitis is often due to repeated movements of the joint usually due to an over-the-head arm motion. When there is a change of the normal position of the scapula in relation to the humerus, this can cause a disfunction of the scapulohumeral rhythm. Want a quick way to learn the anatomy of the scapula? Kenhub. However, because the medial aspect of the scapula is not directly attached to the axial skeleton, but is rather held in place and connected to the thorax and vertebral column by muscles, the scapula can move freely across the posterior thoracic wall (scapulothoracic joint). Injury to the long thoracic nerve + + in the case of a mastectomy, can sometimes be associated with damage to the long thoracic nerve innervating the serratus anterior muscle. It also articulates with the humerus and clavicle, forming the glenohumeral (shoulder) joint and acromioclavicular joint respectively. As a result, only the deltoid can move the shoulder and winging of the scapula occurs. 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