Clavicle fractures are common fractures and the optimal treatment strategy remains debatable. Functional Anatomy of the Upper Extremity CHAPTER 6 Functional Anatomy of the Lower Extremity CHAPTER 7 Functional Anatomy of the Trunk Functional Anatomy SECTION II Hamill_ch05_137-186.qxd 11/2/07 3:55 PM Page 137 . X-ray series of a human shoulder joint showing the humerus bone of the upper arm, the clavicle (collar bone), scapular (shoulder blade), and rib cage. It is a long, thin bone that sits in-front of the top of the ribcage. Background . Functional Anatomy of the Shoulder Acomprehensive knowledge of the functional anatomy of the shoulder girdle and all of its component parts is mandatory in understanding arm-shoulder function.The basic function of the shoulder is to place the arm and especially the hand into a functional position that permits manipu-lative activities (Figure 4.1). The present paper reviews the available literature and current concepts in ⦠Key words: clavicle anatomy; three-dimensional analysis; true length; width; curvature INTRODUCTION The clavicle serves as the sole bone structure connecting the axial skeleton to the shoulder girdle through the sternoclavicular joint medially and the acromioclavicular joint laterally. The clavicle, or collar bone, is an S-shaped bone anterior to the base of the neck. Anatomy of the Thoracic Wall, Axilla and Breast Anatomía de la Pared Torácica, Axila y Mama *José Rafael Macéa & ** ... of the clavicle) and the other sternocostal (external face of the first seven costal cartilages, lateral margin of the sternu m and upper part of the rectus abdominis muscle). Sixtyâeight human cadaver clavicles were dissected, CATâscanned, and reconstructed. An automated parameterization and correspondence shape analysis system was developed. The Clavicle 2. It connects the sternum (breastbone) to the acromion (front part of the scapula) forming two joints, the sternoclavicular and acromioclavicular joints. 80% of clavicular growth occurs at the medial epiphysis. Measurement of cortical thickness showed a mean value of 1.05 ± 0.23 mm at the most sternal measuring point, 2.05 ± 0.29 mm at the midpoint of the clavicle, and 0.95 ± 0.35 mm at the acromial end. The insertion of the coracoclavicular ligament is of practical importance. Related ⦠Shaft: 1. 3D video anatomy tutorial on the scapula and clavicle. Quantitative anatomy of the growing clavicle in the human fetus: CT, digital image analysis, and statistical study ... clavicle may facilitate detection of numerous defects, e.g., cleidocranial dysplasia, HoltâOram syndrome, Goltz syn-drome, and MelnickâNeedles syndrome. 200, 201) forms the anterior portion of the shoulder girdle.It is a long bone, curved somewhat like the italic letter f, and placed nearly horizontally at the upper and anterior part of the thorax, immediately above the first rib. Clinical Anatomy The clavicle is located subcutaneously between the sternum and the scapula, and it connects the arm to the body. It articulates medially with the manubrium sterni, and laterally with the acromion of the scapula. Start Quiz Retake Quiz. The clavicle: its anatomy and function. The Anatomy and Mechanics of the Human Hand CRAIG L TAYLOR, Ph.D.,1 AND ROBERT J. SCHWARZ, M.D.2 It is obvious to all that the human hand represents a mechanism of the most intricate fashioning and one of great complexity and utility. A reemergence of interest in clavicle anatomy was prompted because of the advocacy for operative treatment of midshaft clavicle fractures. to fit patient anatomy Combi holes Accept 3.5 mm locking, 3.5 mm cortex and 4.0 mm cancellous bone ws e hole 2 mm K- hole on lateral end aids plate positioning d plate tip nd for submuscular plate insertion may eserve tissue viability. The clavicle is the bony link between the upper limb and the axial skeleton. Clavicle Bone Quiz â Superior & Inferior Markings. The clavicle (Figs. Closeup of surgical scar on the shoulder of a man following ORIF operation to repair a broken clavicle. ANATOMY AND FUNCTION . The clavicle is the first bone in the body to ossify (intrauterine week 5), but the medial clavicular epiphysis is the last to appear and close. 52 patients were included in the present study. * A. Extending surgical indications to displaced clavicle fracture, thanks to significant progress in fixation techniques, raises several issues regarding management both of midshaft and distal clavicle fracture: i.e., indications for and modalities of non-operative treatment; risks associated with internal fixation. Hook Unbenannt-1 5 14.09.2015 14:13:51. There are multiple ligamentous connections that are relevant. The clavicle has many muscular and ligamentous attach-ments. In Figure 1, what anatomical structure is labeled as 2? The clavicle is the only long bone in the body that lies horizontally. The clavicle of the males of Lycalopex gymnocercus, Galictis cuja, and Leopardus geoffroyi was significantly larger (P < 0.05). Mechanism of injury. The clavicle, aka collarbone, sits at the front of the shoulder joint. The female clavicle was shorter, less curved, and had a lower concentration of calcium than the male clavicle. Relevant Anatomy. However, there was no anatomical study of clavicle in Chinese population. You can review the clavicle and scapula anatomy notes (and video) prior to taking this quiz. The Clavicle is a long bone It is horizontally placed There are two clavicles, one on the left and one on the right. Stryker uses a CT Scan Database of clavicles of different size, gender, and ethnicity to design plates which are 3-dimensionally contoured. You are currently offline. It ossifies between 12-19 years of age and fuses fully by 22-25 years. The predominating contour of the clavicles was a thin stick with cranial convexity. LCP Superior Clavicle Plate Surgical Technique DePuySynthes 9. Lateral 1/3: flattened in section and thinner. Buy; SDC; Metrics ⦠The 3-dimensional anatomy of the clavicle is complex and varies from person to person. Anatomy. doi: 10.1097/BOT.0000000000001633. Clavicle Anatomy. The clavicle gives ⦠Each clavicle runs transversely and forms a joint with the sternum on its medial end and the scapula on its lateral end. There are two clavicles, one on the left and one on the right. Clavicle and the Anatomy of the Neurovascular Bundle The clavicle. This video is the first in the "Osteology for Viva" series. 3 Determine plate length and adapt plate Optional instruments 329.291 Bending Pliers for Clavicular Plates, length 227 mm 329.040/ Bending Iron for Plates 2.4 to 3.5, 329.050 length 145 mm 329.300 Bending Press, length 400 mm Select a plate length appropriate for the fracture. Corpus ID: 29049678 . by H. Moseley. But beyond this it is intimately cor related with the brain, both in the evolution of the species and in the development of the in dividual. The bone has a shaft (cylindrical part), and two ends, lateral and medial. Search. It is the first bone to ossify and the last to fuse. Clavicle anatomy and the applicability of intramedullary midshaft fracture fixation A threeâdimensional study was conducted to examine the anatomical variations and characteristics of the bone. Treatment of clavicle fractures has changed dramatically in recent years with a growing trend towards surgical intervention. This is a tutorial on the shoulder girdle.The shoulder girdle consists of the scapula at the back and the clavicle anteriorly. * A. Subscapular fossa; B. Suprascapular notch; C. Medial border; D. Coracoid process; 2. Hamill_ch05_137-186.qxd 11/2/07 3:55 PM Page 138. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Web site (www.jorthotrauma.com). Structure . The medial end of each clavicle is a smooth, rounded cylinder known as the sternal extremity, which forms the sternoclavicular joint with the manubrium of the sternum. Its presence and shape varies between animal species, which gives an insight into its biomechanical role. It is found laterally on the inferior aspect of the clavicle, and just medial to it is the origin of the sub-clavius muscle. Describe the structure, support, and movements of ⦠Sgt. There are two mechanisms ⦠Several anatomical studies of the clavicle have been performed in western population. Journal of Orthopaedic Trauma: January 2020 - Volume 34 - Issue 1 - p e14-e19. The Clavicle is a long bone It is horizontally placed 3. The clavicle is a long bone that serves as a strut between the shoulder blade and the sternum or breastbone. Clavicle Anatomy by Jason Christian.webm 19 s, 1,280 × 720; 2.68 MB Clavicle and Suprasternal notch.png 1,600 × 2,000; 1.5 MB Clavicle photo.jpg 960 × 720; 52 KB Some features of the site may not work correctly. The resultant vector W (Figure 2) is resolved into one component in the direction of the long axis of the clavicle (N), giving normal stress on the sternal two- thirds of the bone, and into a second component (T), perpendicular to the first one, tending to move the clavicle laterally and caudally. In Figure 1, what anatomical structure is labeled as 1? Sign In Create Free Account. Learn faster and more efficiently with these exam-style anatomy quizzes. The clavicle, or collarbone, is a long bone that serves as a strut between the shoulder blade and the sternum (breastbone). The clavicle is the first bone to become ossified during embryogenesis through a process known as intramembranous ossification. Slideshow: Clavicle 1. Semantic Scholar extracted view of "The clavicle: its anatomy and function." Accepted August 22, 2019. The clavicle is the first bone in the human body to begin intramembranous ossification directly from mesenchyme during the fifth week of fetal life. Inferior angle; B. through the clavicle to the sternoclavicular joint and to the sternum. This article will briefly review clavicle anatomy and function, as well as clavicle fracture classification, epidemiology, and diagnosis. The shoulder girdle is also referred to as the pectoral girdle.Together with the proximal part of the humerus, it makes up the bony framework of the shoulder. Through articulations with the sternum medially and with the scapula at the acromion process laterally, it serves as an osseous connection between the axial skeleton and the upper extremity. Skip to search form Skip to main content > Semantic Scholar's Logo. Patients and Methods . Anatomy of Clavicle: The bone has a cylindrical part called the shaft, and two ends: lateral and medial. Clavicle and Scapula Quiz (Anatomy) 1. CHAPTER 5 After reading this chapter, the student will be able to: 1. The clavicle has a complex osteologic structure that makes morphological analysis extremely difficult. Clavicle (Collarbone) : Structure, Attachments, Side Determination, Sex Determination, Functions & Clinical Anatomy Overview. The primary focus, however, will be upon fracture management, with specific attention paid to the most recent literature regarding operative versus non-operative treatment of clavicle fractures. Together with the shoulder blade, it makes up the shoulder girdle. The histological sections demonstrated compact bone consisting of trabecula and lamellae filled by bone marrow and different levels of occupation by chondroid matrix. Studies of the bone has a complex osteologic structure that makes morphological analysis extremely difficult the clavicle. 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