Clavicle, curved anterior bone of the shoulder pectoral girdle in vertebrates. Fractured clavicle the student health provider has diagnosed a fracture break of your clavicle collarbone. The clavicle functions landmarks fractures teachmeanatomy. The shoulder complex, as it sounds, is a very complex area of the body. Most clavicle fractures occur when a fall onto the shoulder or an outstretched arm puts enough pressure on the bone. Apr 12, 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. Shoulder scapula clavicle anatomy bones stock illustration images. Among other bone landmarks you can see in this image the major three areas of the clavicle bone which consist of the medial or sternal end photo source. The clavicle is actually a long bone of the body although it is short in length.
The objective of this study was to verify the presence and to investigate the shape and constitution of the clavicle in neotropical carnivores. The scapula plays an important role in stabilizing the other bones involved in the rhythm of shoulder motion. Play sporcle s virtual live trivia to have fun, connect with people, and get your trivia on. It is above the rib cage and in front of the scapula. The clavicles are cylindrical bones around 6 inches 15 cm long and curved in the transverse plane like a letter s. Anteriorly, the clavicle articulates with the sternum, thereby attaching the upper limb to the axial skeleton.
The bone can crack just slightly or break into many pieces comminuted fracture. The humerus is the largest bone of the upper extremity and defines the human brachium arm. The cat skull is unusual among mammals in having very large eye sockets and a powerful and specialized jaw. Join a live hosted trivia game for your favorite pub trivia experience done virtually.
In comparisons of the tips of each bone, the facet of the clavicle is lateral and the facet of the acromion is anteromedial. There are a variety of classification systems but most are based on the anatomic location of the fracture 4. The clavicle, or collarbone, a long bone with a shaft and two ends, it can be easily palpated, and it is one of the most ordinarily fractured bones in the body. Attaches the upper limb to the trunk as part of the shoulder girdle. The clavicle bone can be separated into three major sections. Clinically oriented anatomy moore the quiz above includes the following bones for identification. It is the only long bone that lies horizontally, and has no medullary cavity. Posterior sternoclavicular ligament attached above to the superior and posterior part of.
Immediately above the first rib the bone has a cylindrical part called shaft, and two ends, lateral and medial. It is comprised of the clavicle collar bone, sternum, scapula shoulder blade and. 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. The clavicle serves as the sole bone structure connecting the axial skeleton to the shoulder girdle. Clavicle human collarbone anatomy, parts, location and. It is classed as a long bone, and can be palpated along its length. Clavicle and scapula quiz for anatomy and physiology. Unlike human arms, cat forelimbs are attached to the shoulder by free floating clavicle bones, which allows them to pass their body through any space into which they can fit their heads.
Eighty percent of fractures occur in the middle third of the bone. The clavicle collarbone meets the acromion in the acromioclavicular joint. There is a printable worksheet available for download here so you can take the quiz with pen and paper. Clavicle bone definition of clavicle bone by the free. There are many books for anatomy one can read, but bd chaurasia is still considered the best book of anatomy. Collarbone pain clavicle pain causes and treatment. 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. The clavicle is a long bone it is horizontally placed 3. The clavicle, or collarbone, is a long bone that serves as a strut between the shoulder blade and the sternum breastbone.
Transmits force from the upper limb to the axial skeleton. It has three borders superior, lateral, medial, three angles superior, lateral, medial and two surfaces costal, dorsal. The clavicle is a bone whose development is related to the versatility of the thoracic limbs in mammals. It articulates proximally with the glenoid via the glenohumeral gh joint, and distally with the. This type of fracture is fairly commonaccounting for about 5 percent of all adult fractures. Thus, it does not participate in hematopoiesis, and blood production will not decrease if the bone is damaged. 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. Clavicle fracture broken collarbone orthoinfo aaos.
A clavicle fracture, also known as a broken collarbone, is a bone fracture of the clavicle. The scapula, better known as the shoulder blade, is a triangular bone that serves as a joining force between the clavicle and the humerus. This journal embraces anatomy in all its aspects as applied to medical practice. Over 432 shoulder scapula clavicle anatomy bones pictures to choose from, with no signup needed. Protects the underlying neurovascular structures supplying the upper limb. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Clavicle bones and surface anatomy of upper limb online. The clavicle is a sigmoidshaped long bone with a convex surface along its medial end when observed from cephalad position. Complications can include a collection of air in the pleural space surrounding the lung pneumothorax, injury to the nerves or blood vessels in the area, and an unpleasant appearance. Clinical anatomy is the official journal of the american association of clinical anatomists and the british association of clinical anatomists. Most fractures occur in the middle portion, or shaft, of the bone. The clavicle itself acts as a strut between the scapula and the sternum, transferring impact forces to the axial skeleton.
The scapula is a triangular, flat bone, which serves as a site for attachment for numerous muscles. Bones of the upper limb teachmeanatomy making anatomy simple. The clavicle is a long bone located on the anterior side of the body. Together with the shoulder blade, it makes up the shoulder girdle. Its one end forms a joint with the sternum while the other end forms a joint with the scapula or the shoulder blade. Request pdf clavicle anatomy the clavicle is the bony link between the upper limb and the axial skeleton.
It has a softer trabecular tissue inside with a hard shell of compact bone. Explore and learn about the clavicle with our 3d interactive anatomy atlas. Treatment of clavicle fractures has changed dramatically in recent years with a growing trend towards surgical intervention. The inner end of the clavicle joins the sternum breastbone.
The coracoid process is a hooklike bony projection from the scapula. Although it is a long bone, the clavicle lacks an internal cavity medullary cavity where bone marrow would be housed in most long bones. A clavicle fracture is a break in the collarbone, one of the main bones in the shoulder. Ligament attached above to the upper and front part of the sternal end of the clavicle.
The trapezius muscle, which is attached along the posterior surface of the bone. Either of two slender bones in humans that extend from the manubrium of the sternum to the acromion of the scapula. Clavicular function anne elisabeth ljunggren anatomical institute, anthropological department, university of oslo, oslo, norway 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. Anatomy, shoulder and upper limb, clavicle statpearls. The clavicle is a long bone of the shoulder girdle. The clavicle is a long bone it is horizontally placed 4. A clear depiction of the bone structure surrounding the clavicle or collarbone. Clavicle bone anatomy anatomy bones stock photos download. 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. Studies with vestigial structures are scarce and controversial, especially in the order carnivora. Choose from 500 different sets of clavicle flashcards on quizlet. 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. Traumatic, inflammatory, neoplastic, metabolic and many other miscellaneous lesions may also affect the bone. The clavicle is the only long bone in the body that lies horizontally.
The scapula or shoulder blade is a flat, triangularshaped bone that lies adjacent to the posterior surface of ribs 27. In this article, we shall look at the anatomy of the clavicle its bony landmarks and clinical correlations. The clavicle collarbone anatomy of the clavicle anatomy. Viewed from the anterior position, the clavicle forms a convex curve at its medial end before forming a smaller concave curve near its lateral end. Find clavicle stock images in hd and millions of other royalty free stock photos, illustrations and vectors in the shutterstock collection. Along with the scapula, the clavicle forms the shoulder or pectoral girdle, which connects the humerus arm to the axial skeleton. Clavicle bone synonyms, clavicle bone pronunciation, clavicle bone translation, english dictionary definition of clavicle bone. This bone is located posteriorly on the back half of the body. Learn the anatomy of the clavicle and surrounding structures with these interactive quizzes and labeled diagrams. Parts of the humerus parts of the scapula parts of the scapula 2 more in depth parts of the scapula and clavicle scapula and clavicle quiz cards humerus and bone landmarks quiz cards. Conoid tubercle tuberculum conoideum is a bump on the inferior surface of the bone, near the acromial end. May 28, 2018 bd chaurasia anatomy pdf book downloads with direct links and overview.
The clavicle see diagram is a long, thin bone located in the upper, front chest. One of the main functions of the collarbone is to hold the arms freely and supported, away from the trunk. The clavicle is one of the most commonly broken bones in the human body. The clavicle is the most commonly fractured bone in the skeleton. Hi all, some great games for studying objectives 1 3. Articulates medially with the manubrium sterni and laterally with the acromion of the scapula. Since the axial skeleton has more cartilage and bones, it can absorb much more force than the clavicle itself. It is comprised of two bones the clavicle and scapula. The two clavicles, on either side of the anterior base of the neck, are horizontal, scurved that articulate laterally articulate with the outer end of the shoulder blade to support the. It is good to read the details of the bones before and after the dissection classes to retain the memory. Mar 23, 2015 the shoulder is the most mobile joint in the human body. It is the first bone to ossify and the last to fuse. This unlabeled quiz of the clavicle and scapula will test your knowledge on how to label the structures of these bones. Symptoms typically include pain at the site of the break and a decreased ability to move the affected arm.
Two muscles are attached to the lateral third of the clavicle. One of the bones that meet at the shoulder is the clavicle, which is also known as the collarbone. It is often involved in congenital and acquired disorders. In mbbs first year, anatomy comes as one of the subjects. The clavicle collarbone extends between the manubrium of the sternum and the acromion of the scapula. Find highquality clavicle stock photos and editorial news pictures from getty images. Dislocation or fracture of the clavicle and acromial process with displacement. There are two clavicles, one on the left and one on the right.
Clavicle fractures are fairly common and occur in people of all ages. Occasionally, the bone will break where it attaches at the ribcage or shoulder blade. The clavicle, along with the sternum and the scapula, forms the pectoral girdle which gives attachment to multiple muscles controlling the movement of the. Download 73 clavicle bone anatomy anatomy bones stock photos for free or amazingly low rates. It serves as a connection between the axial and appendicular skeleton. The goal of clinical anatomy is to provide a medium for the exchange of current information between anatomists and clinicians. A thorough knowledge about the features of the bones and their attachments acts as the basis of medical practice.
Dec 17, 2018 the humerus is the largest bone of the upper extremity and defines the human brachium arm. The acromion of the scapula continues medially to become the scapular spine, whereas the lateral end of the clavicle becomes increasingly cylindrical as the shaft stretches medially. The medial end of the clavicle articulates with the manubrium at the sternoclavicular joint 5. Upper limb bones are the first one to be studied in anatomy classes. 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. Learn all about the anatomical features of the clavicle with our flashcard images and videos. Hard bone lump on collar bone clavicle cancer medical. The clavicle is an unusual long bone with many unique embryologic features.
Apr 12, 2017 clavicle anatomy general features, attachments, development, clinical anatomy. Dec 17, 2018 the clavicle is a sigmoidshaped long bone with a convex surface along its medial end when observed from cephalad position. The collarbone is long, thin, and located at the base of the neck. 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. As such, the function of the clavicle is not to absorb damage but to transfer it to bigger bones.
Download premium images you cant get anywhere else. The clavicle, the femur, the fibula, the pelvic girdle, the humerus, the mandible, the pubis, the patella, the radius, the rib cage, the sacrum, the skull, the sternum, the tibia, and the ulna. It also serves as an important and easily located bony landmark due to its superficial location and projection from the trunk. Thousands of new, highquality pictures added every day. Clavicle anatomy general features, attachments, development, clinical anatomy. Shoulder scapula clavicle anatomy bones illustrations and. Clavicle bone article about clavicle bone by the free. The clavicle is an elongated, sshaped bone that rests horizontally at the sternum across the upper part of. The clavicle, commonly known as the collar bone, is a type of flat bone. The shoulder has several other important structures. 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 doctor examines the patient with a dislocation and fracture of the clavicle and acromial process, closeup. A total of five muscles are attached to the clavicle, found distributed at either the lateral third or medial two thirds of the bone.
261 166 1237 1270 366 249 1116 1380 438 1143 882 339 315 1184 58 586 592 668 696 331 1475 1216 1052 540 305 733 1212 1225 1451 1391 2 601 1011 1436 648 578 747 278 1011