Collarbone pain clavicle pain causes and treatment. Although it is a long bone, the clavicle lacks an internal cavity medullary cavity where bone marrow would be housed in most long bones. The clavicle is a long bone it is horizontally placed 4. The clavicle is an unusual long bone with many unique embryologic features. Clavicle bone cancer is very uncommon but in a differential diagnosis, it should be considered. The clavicle functions landmarks fractures teachmeanatomy. The clavicle serves as the sole bone structure connecting the axial skeleton to the shoulder girdle through the sternoclavicular joint medially and. This is a very common fracture that occurs in people of all ages. The clavicle collarbone is an sshaped bone located on the anterior side of the shoulder. Clavicle fractures are fairly common and occur in people of all ages.
The specific pain from clavicle bone cancer would be stiffness and inability to move the shoulder well. Observations on the function of the claviclet ncbi. It then ends by joining with the acromion of the scapula to form the acromioclavicular joint or sc joints. Together with the shoulder blade, it makes up the shoulder girdle. The emphasis of this article is on the management of these injuries. Oct 21, 2019 the clavicle is a bone whose development is related to the versatility of the thoracic limbs in mammals. Studies with vestigial structures are scarce and controversial, especially in the order carnivora.
Clavicle and scapula quiz for anatomy and physiology. Learn all about the anatomical features of the clavicle with our flashcard images and videos. It is often involved in congenital and acquired disorders. The bone can crack just slightly or break into many pieces comminuted fracture. Transmits force from the upper limb to the axial skeleton. Immediately above the first rib the bone has a cylindrical part called shaft, and two ends, lateral and medial. This journal embraces anatomy in all its aspects as applied to medical practice. Normally, a sling is applied to the arm for treatment of a fractured. Treatment of clavicle fractures has changed dramatically in recent years with a growing trend towards surgical intervention. Occasionally, the bone will break where it attaches at the ribcage or shoulder blade. It serves as a connection between the axial and appendicular skeleton. The clavicle has a complex osteologic structure that makes morphological analysis extremely difficult.
Midshaft clavicle fracture this occurs in seventyfive percent of clavicle fractures and is the most common. The clavicle is a long bone that is preformed in connective tissue and contains a. Explore and learn about the clavicle with our 3d interactive anatomy atlas. The clavicle is the first bone in the body to ossify, around the fifth fetal week, but the medial physis does not fuse until young adulthood at.
Articulates medially with the manubrium sterni and laterally with the. This unlabeled quiz of the clavicle and scapula will test your knowledge on how to label the structures of these bones. Mohamed elfiky anatomy and embryology 30,369 views. The medial end of the clavicle articulates with the manubrium at the sternoclavicular joint 5. The bones pdf class videos for anatomy and environmental. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
Conoid tubercle tuberculum conoideum is a bump on the inferior surface of the bone, near the acromial end. Clinical anatomy is the official journal of the american association of clinical anatomists and the british association of clinical anatomists. From the division of orthopedic surgery and anatomy. This end is roughly triangular in shape and forms a joint known as the. Clavicle, curved anterior bone of the shoulder pectoral girdle in vertebrates. Clavicle fracture treatment, healing time, surgery. Anteriorly, the clavicle articulates with the sternum, thereby attaching the upper limb to the axial skeleton. The clavicle is a bone whose development is related to the versatility of the thoracic limbs in mammals.
Traumatic, inflammatory, neoplastic, metabolic and many other miscellaneous lesions may also affect the bone. There is a printable worksheet available for download here so you can take the quiz with pen and paper. This type of fracture is fairly commonaccounting for about 5 percent of all adult fractures. It has a softer trabecular tissue inside with a hard shell of compact bone. And most of the nasal cavity is composed of parts of the ethmoid bone.
It articulates medially with the manubrium sterni, and laterally with the acromion of the scapula. This chapter focuses on the anatomy and function of the clavicle and aims to elucidate some of the developmental, traumatic, and nontraumatic conditions that affect this unique bone. Historically, only unstable distal clavicle fractures were treated operatively. This consists of two bones, the scapula and clavicle figure 2. The flat horizontal bone is part of the shoulder and is also referred to as the collarbone. The clavicle is a long bone located on the anterior side of the body. The clavicle is a sigmoidshaped long bone with a convex surface along its medial end when observed from cephalad position. The clavicle is the only long bone in the body that lies horizontally. Dec 17, 2018 the clavicle is a sigmoidshaped long bone with a convex surface along its medial end when observed from cephalad position. The inner end of the clavicle joins the sternum breastbone. Clavicle fracture broken collarbone a broken collarbone is also known as a clavicle fracture.
This bone is clearly visible and is only covered with skin so it has very little protection from being fractured. Anatomy, bones, musculoskeletal bone, conventional radiography. Treatment can include surgery, chemotherapy and or radiation. Attaches the upper limb to the trunk as part of the shoulder girdle. Bones of the upper limb teachmeanatomy making anatomy.
Articulates medially with the manubrium sterni and laterally with the acromion of the scapula. Anatomical institute, anthropological department, university of oslo, oslo, norway. Clavicle human collarbone anatomy, parts, location and. Most fractures occur in the middle portion, or shaft, of the bone. This chapter focuses on the anatomy and function of the clavicle and aims to elucidate some of the developmental, traumatic, and non. The anatomical variability of this important bone of the anterior human thoracic skeleton has been widely explored by clinicians and forensic anthropologists. The objective of this study was to verify the presence and to investigate the shape and constitution of the clavicle in neotropical carnivores. Variability in anatomical features of human clavicle. The clavicle is a long bone of the shoulder girdle. Bones of the upper limb teachmeanatomy making anatomy simple. Fractured clavicles are easily picked out by the deformity due to displacement of fractured ends of the bones. It is the only long bone that lies horizontally, and has no medullary cavity. It is above the rib cage and in front of the scapula. Clavicle fracture broken collarbone orthoinfo aaos.
It articulates proximally with the glenoid via the glenohumeral gh joint, and distally with the. One of the bones that meet at the shoulder is the clavicle, which is also known as the collarbone. The clavicle collarbone extends between the manubrium of the sternum and the acromion of the scapula. Hill jm, mcguire mh, crosby l closed treatment of displaced middlethird fractures of the clavicle gives poor results j bone joint surgeryb, 79b, no. Robinson cm, courtbrown cm, mcqueen mm, wakefield ae. The clavicle, or collarbone, is a long bone that serves as a strut between the shoulder blade. Most clavicle fractures occur when a fall onto the shoulder or an outstretched arm puts enough pressure on the bone that it snaps or breaks. A total of five muscles are attached to the clavicle, found distributed at either the lateral third or medial two thirds of the bone. Fractured clavicle the student health provider has diagnosed a fracture break of your clavicle collarbone. 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. Clavicle anatomy the clavicle bone resembles a crankshaft, extending medially to the manubrium and laterally to the acromion the bone is s shaped medial portion concave lateral portion convex the s shape serves to give the bone elasticity and ability to shock absorb. Oct 07, 2015 mohamed elfiky anatomy and embryology 30,369 views. The shoulder is the most mobile joint in the human body.
The clavicle, or collarbone, is a long bone that serves as a strut between the shoulder blade and the sternum breastbone. However, recent wellconducted studies demonstrate that plate fixation of displaced midshaft clavicle fractures may result in improved functional outcome and a lower rate of malunion and nonunion, compared. Anatomy the collarbone clavicle is located between the ribcage sternum and the shoulder blade scapula, and it connects the arm to the body. Pdf the clavicle is a sigmoidshaped long bone with a convex surface along its medial end when observed from cephalad position. Pdf anatomy, shoulder and upper limb, clavicle researchgate. Fractures of the clavicle are common injuries accounting for between 2. It is classed as a long bone, and can be palpated along its length. The functions of the clavicle are to provide support for free range movement of the arms and to protect the neurovascular bundle. Dec 7th, 2017 the clavicle or collarbone os clavicula is located superior to the first rib and runs horizontally from the manubrium of the sternum to the acromion of the scapula. Find highquality clavicle stock photos and editorial news pictures from getty images. Mar 23, 2015 the shoulder is the most mobile joint in the human body.
In this article, we shall look at the anatomy of the clavicle its bony landmarks and clinical correlations. Early reports of clavicle fractures date back to hippocrates, who noted that when a fractured clavicle is fairly broken across it is more easily treated, but when broken obliquely it is more difficult to manage. Any information contained in this pdf file is automatically generated from digital material. It can be as simple as being badly displaced to a simple crack in the bone. Anatomy, shoulder and upper limb, clavicle statpearls ncbi. The clavicle see diagram is a long, thin bone located in the upper, front chest. Clavicle sternum scapula acromion process coracoid process humerus head of humerus greater tubercle.
Plates feature combi bone plate holes that allow fixation with locking screws in the threaded section for angular stability, and cortex screws in the dynamic compression unit dcu section for compression. There are two clavicles, one on the left and one on the right. It is comprised of two bones the clavicle and scapula. A clavicle fracture is a break in the collarbone, one of the main bones in the shoulder. The clavicle connects the shoulder blade to the sternum and acts as a strut to allow free movement of the arm. 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. The scapula is a triangular, flat bone, which serves as a site for attachment for numerous muscles. Learn the anatomy of the clavicle and surrounding structures with these interactive quizzes and labeled diagrams. The clavicle is the only horizontally placed long bone of the human skeleton which shows high variability in its shape and size. The clavicle is present in mammals with prehensile forelimbs and in bats, and it is absent in sea mammals and those adapted for running. The goal of clinical anatomy is to provide a medium for the exchange of current information between anatomists and clinicians.
Download premium images you cant get anywhere else. 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. It serves as a connection between the axial and appendicular skeleton in conjunction with the scapula, and each of these structures forms the pectoral girdle. The clavicle, or collar bone, is an sshaped bone anterior to the base of the neck. Clavicle fracture treatment, healing time, surgery, management. Choose from 500 different sets of clavicle flashcards on quizlet. The clavicle is a superficial bone and may be palpated easily over its whole course, any abnormality being easily recognized by the evident deformity produced. Clavicle and scapula quiz anatomy registered nurse rn. Dec 17, 2018 the humerus is the largest bone of the upper extremity and defines the human brachium arm.
Testing must be done to consider the diagnosis of clavicle bone cancer. Anatomy, shoulder and upper limb, clavicle statpearls. Along with the scapula, the clavicle forms the shoulder or pectoral girdle, which connects the humerus arm to the axial skeleton. The humerus is the largest bone of the upper extremity and defines the human brachium arm. The lateral end of the clavicle is flat, attaches to the scapula and is known as the acromial end.
The clavicle is actually a long bone of the body although it is short in length. The clavicle functions like a strut or lever arm to help support suspend the humerus and scapula and maintain their position relative to the rib cage try revising the anatomy of the clavicle with flashcards. The clavicle is a long bone it is horizontally placed 3. The medial end of the clavicle that attaches to the sternum is known as the sternal end. Thus, it does not participate in hematopoiesis, and blood production will not decrease if the bone is damaged. An atlas of anatomy and treatment of midclavicular fractures. May 11, 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.
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