The clavicle is an sshaped bone that connects the shoulder girdle to the trunk. The clavicle or collar bone is a long, curved bone on the upper portion of the shoulder that connects with the scapula and the sternum. The clavicle is located subcutaneously between the sternum and the scapula, and it connects the arm to the body. Sgs01 that was found in an ossuary that included a total. Instead, the clavicle develops through the process of intramembranous ossification. View lecture slides copy of anatomy by rajeshkumar. Intramedullary nailing requires detailed knowledge about the anatomy of the clavicle. The clavicle is an attachment point for several muscles. A paper describing the anatomy of the clavicle stated that gender. Describe the normal motions of both the sternoclavicular, acromioclavicular, and scapulothoracic joints. The worlds most trusted clinically focused anatomy text. The surface anatomy of the shoulder region is shown in.
Thus, the anatomy of the clavicle and any anomalies in its morphology are of great interest. This website we provide free medical books for all students and doctors, and the best choice for medical students during and after learning medicine. When facing forward, its medial part is convex, while its lateral aspect is concave. In terms of their more complex anatomy, clavicles can be long and slender, thick and short. Dec 17, 2018 show full abstract medial third of the clavicle in 3. The anatomy of the clavicle is specific and varied in reference to its. This is the first book of its kind to specifically address all aspects of clavicle injury injury management, from anatomy and biomechanics to anesthesia and radiology, most of which address current treatment strategies in terms of operation and etc. Renowned for comprehensive coverage, the bestselling clinically oriented anatomy guides students from initial anatomy and foundational science courses through clinical training and practice. Aug 14, 2020 the clavicle is a long, doubly curved bone that connects the arm to the body, located directly above the first rib. The data was used to determine whether the anatomy of the clavicle.
Feb 28, 2021 the bones that attach each upper limb to the axial skeleton form the pectoral girdle shoulder girdle. Original research article anatomy of the clavicle and. The clavicle is an elongated, sshaped bone that rests horizontally at the sternum across the upper part of the ribcage, and the acromial end of the scapula this bone is an important part of the skeletal system since it plays an essential role in everyday functional movement, serving as the connection between the axial skeleton and the pectoral girdle. The clavicle gives support to the shoulder girdle by acting. Duquin, in shoulder and elbow trauma and its complications, 2015 11.
It is superficial along its entire length and shaped like an s. The two clavicles, also called your collarbones, are long bones found between your sternum and scapulae. For an evolutionary perspective aiello and deans 1990 introduction to human evolutionary anatomy. The joint capsules of both the sternoclavicular and the acromioclavicular joints are reinforced by several ligaments. Medial clavicle fracture may occur in patients of any age and include less than 5% of all clavicle fractures. This is a survey of the functional variation of the clavicle, in particular with regard to its adaptability, the bone being an essential link in the shoulder girdle. At this joint, the clavicle is joined to the manubrium of the sternum. The clavicle is the one appendicular skeleton bone that does not develop via endochondral ossification. The clavicle collarbone extends between the manubrium of the sternum and the acromion of the scapula. Started in 1995, this collection now contains 6907 interlinked topic pages divided into a tree of 31 specialty books and 737 chapters. Pdf on sep 1, 2014, zubin j daruwalla and others published the clavicle and its geometric and anatomic variation find, read. For an evolutionary perspective aiello and deans 1990 introduction to human evolutionary anatomy is the most stimulating and thorough text available. Show full abstract medial third of the clavicle in 3.
More detailed books on human skeletal anatomy, with an anthropological orientation, are provided by shipman et al. The clavicle is a sigmoidshaped long bone with a convex surface along its. The clavicle is the first bone in the body to ossify, around the fifth fetal week, but the m. Human clavicle download free 3d model by eric bauer. The following findings were noted on physical examination. In the study of human anatomy, it is easy to become so pre. The variance of clavicular surface morphology is predictable jses. Aug 30, 2020 the bones that attach each upper limb to the axial skeleton form the pectoral girdle shoulder girdle. Structurally, the clavicle can be divided into three parts. Anatomy, shoulder and upper limb, clavicle statpearls ncbi. Prominence, ecchymosis, and tenderness over the right midclavicular region. The clavicle the clavicle collarbone extends between the manubrium of the sternum and the acromion of the scapula.
Anatomy of the clavicle and its articulations springerlink. Material and methods the object of our study is a left clavicle fig. Anatomy of the clavicle and its applicability in management of clavicular fractures manjunath cs 1, tejaswi hiremarali lokanathan 2. The clavicle serves four roles by serving as a site of muscular attachment, providing a barrier to protect.
Intramedullary nailing is one such method of fixation of clavicular fractures. The clavicle conoid ligamen trapezoid line, which binds the clavicle to coracocla sternal facet acromial facet right clavicle smooth superior surface of the shaft, under the platysma muscle deltoid tubercle. The clavicle is a unique bone that connects the axial skeleton to the shoulder girdle via the sternum medially and the scapula laterally. Thus, the mass of the arm is transmitted to the clavicle to a high degree through the coracoclavicular ligament, and through the clavicle to the sternoclavicular joint and to the sternum. The clavicle has many muscular and ligamentous attachments. Manjunath cs, assistant professor, department of anatomy, hassan institute of medical sciences, sri chamarajendra hospital campus, hassan 573201, karnataka state, india. The supraclavicular nerve crosses over the clavicle and the ulnar nerve runs beneath the proximal third. This is the first book of its kind to specifically cover all aspects of clavicle injury management, from anatomy and biomechanics to anesthesia and radiology, with the bulk of the chapters presenting current treatment strategies, both operational and otherwise. Injuries to the shoulder rarely involve the sc joint. The clavicle can be palpated along its length, and can is visible under the skin in a thin person. The clavicle, or collarbone, is the only bony attachment between the upper limb and the axial skeleton figure 291b and c.
It is classed as a long bone, and can be palpated along its length. Thus, the anatomy of the clavicle and any anomalies in its morphology are of great interest across various disciplines. The clavicle provides an attachment for muscles that connect the clavicle to the trunk and the upper limb. However, the classical anatomical descriptions in textbooks make it difficult to gain full mastery of this subject, because the books usually deal with its elements separately. The clavicle is situated directly above the first rib. It is classed as a long bone and can be palpated along its length. It can be divided into a sternal end, a shaft and an acromial end. Development of the appendicular skeleton anatomy and.
Pdf the clavicle is a sigmoidshaped long bone with a convex. In addition to bones and muscles, you can palpate a number of superfi. The lateral end of the clavicle articulates with the acromion of the scapula at the acromioclavicular joint. Clavicle bones of upper limb anatomy simplified youtube. Facing forward, the medial aspect is convex, and the lateral aspect concave.
Scanned and annotated by students in dr eric bauers human anatomy lab at elon university, north carolina, usa. Clavicle injuries a casebased guide to diagnosis and. Bd chaurasia human anatomy regional and applied medicostuff. The clavicle has many muscular and ligamentous attach.
Preface to the thirteenth edition, xiii preface to the first edition, xv acknowledgements to the thirteenth edition, xvii acknowledgements to the first edition, xix about the companion website, xxi part 1. The clavicle has a distinct medullary canal that is variable in shape and size, but limited literature is available describing its anatomy 4. This study determines the general anatomy of the clavicle and its medullary canal in living subjects using computed tomography imaging. Martini fc, ober wc, garrison cw, welch k and hutchings rt 2001 fundamentals of anatomy and physiology, 5th ed, prenticehall, inc, new jersey. During this process, mesenchymal cells differentiate directly into boneproducing cells, which produce the clavicle directly, without first making a cartilage. Normal epiphysis at the medial end of the clavicle in. The clavicle is a long bone it is horizontally placed 3.
Original research article anatomy of the clavicle and its. In an endeavor to resolve this difficulty, the present. Clavicle bergmans comprehensive encyclopedia of human. Describe both the sternoclavicular and acromioclavicular joints. This consists of two bones, the scapula and clavicle figure \\pageindex2\. The purpose of statistical shape analysis and subsequent modeling in orthopedics is to construct a patient. The clavicle is a long bone it is horizontally placed. It is found laterally on the inferior aspect of the clavicle, and just medial to it is the origin of the subclavius muscle.
Its medial end articulates with the manubrium of the sternum at the sternoclavicular joint. They are found just above the first rib and help hol. It acts as a strut to keep the scapula in place so the arm can hang freely. This book is distributed under the terms of the creative commons. Pdf anatomy, shoulder and upper limb, clavicle researchgate. Renowned for comprehensive coverage, the bestselling clinically oriented anatomy guides students from initial anatomy and foundational science courses through clinical training and. Clavicle fracture an overview sciencedirect topics. Request pdf clavicle anatomy the clavicle is the bony link between the upper limb and the axial skeleton. When he stood up, he was slouched and complained of extreme pain over his right clavicle. This consists of two bones, the scapula and clavicle figure 2.
Describe the findings in each of these clavicular dysfunctions. Dec 10, 2017 bd chaurasia human anatomy is the most famous anatomy book studied by medical students all over the world. A novel threedimensional system was developed, used and tested in order to explore the anatomical variations and characteristics of. Diffuse swelling over the right clavicle, shoulder, and arm. Click on the image or right click to open the source website in a new browser window. Distally it is firmly attached to the scapula by the acromioclavicular ac and coracoclavicular cc ligaments. The insertion of the coracoclavicular ligament is of practical importance. These images are a random sampling from a bing search on the term clavicle anatomy. Clinically oriented anatomy 8th edition pdf free download. Bd chaurasia general anatomy bd chaurasia human anatomy volume one. The clavicle is the first bone in the body to ossify, around the fifth fetal week, but the medial. The clavicle functions landmarks fractures teachmeanatomy.
Discuss the muscles attached to the scapula and clavicle and their function. Laterally, the acromioclavicular ac joint is surrounded by a relatively weak fibrous capsule, making it more vulnerable to injury. This injury is associated with highenergy trauma, and the mechanism is often similar to those described above for scj dislocation. Oct 29, 2020 the clavicle is an elongated, sshaped bone that rests horizontally at the sternum across the upper part of the ribcage, and the acromial end of the scapula this bone is an important part of the skeletal system since it plays an essential role in everyday functional movement, serving as the connection between the axial skeleton and the pectoral girdle. The clavicle is an elongated, sshaped bone that rests horizontally at the sternum across the upper part of the ribcage, and the acromial end of the scapula. The skeletalsystemconsists ofall ofthe bonesofthe body. The clavicle is an sshaped bone that serves as an osseous strut to maintain shoulder width. Pdf textbook of anatomy upper limb and thorax hamza ahmed. The thorax introduction, 3 surface anatomy and surface markings, 3 the trachea, 4 the pleura, 4 the lungs, 6 the heart, 6 the thoracic cage, 7 the thoracic vertebrae, 7 the ribs, 8 the. Medially, the sc joint represents the sole articulation between the upper limb and axial skeleton.
Pgdiams anatomy 1 anatomy human anatomy made simple dr rajesh k. It is the first bone to ossify and the last to fuse. Thibodeau ga and patton kt 1996 anatomy and physiology, 3rd ed, mosby, 1996. Clinically oriented anatomy 8th edition pdf free books pdf epub. Inferior, upper anterior edge of glenoid to taut in external rotation and abduction. The resultant vector w figure 2 is resolved into one component. But turn to your anatomy book as soon as you see a shape or lump on the model that defies the limits. The clavicle is slender bone with two curves, giving it an s shape.
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