Although it is a long bone, the clavicle lacks an internal cavity medullary cavity where bone marrow would be housed in most long bones. Human clavicle is the most frequently fractured bone of human skeleton, possessing high degree of variability in its anatomical, biomechanical and morphological features. These comparisons have been minimized, as this is a chapter about canine anatomy and not a chapter about comparative anatomy. Extended period of skeletal growth up to third decade in clavicle imparts it an additional advantage for forensic identification purposes. A clavicle bone lump can be caused by a variety of conditions. The three types of bone cells are the osteoblasts, which are responsible for bone growth.
It is classed as a long bone, and can be palpated along its length. The clavicle is the first bone to become ossified during embryogenesis through a process known as intramembranous ossification. The scapula is a flat, triangularshaped bone that lies adjacent to the posterior surface of ribs. 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. Building on the success of their previous book, white and folkens the human bone manual is intended for use outside the laboratory and classroom, by professional forensic scientists, anthropologists and researchers. Anatomy, shoulder and upper limb, clavicle statpearls. Extended period of skeletal growth up to third decade in clavicle imparts it an additional. This information, together with the automated system, can be applied to future clavicle populations and to the design of fixation plates for clavicle. For these more complicated fractures, surgery may be needed to realign the collarbone. With some clavicle fractures, however, the pieces of bone move far out of place when the injury occurs. Often, you may be more interested in functions of the body. 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. Clavicle is a modified long bone having two curves.
The sternal end of the clavicle develops most slowly, thus undergoing ossification as the very last of all bones. Articulates medially with the manubrium sterni and laterally with the acromion of the scapula. The bones that attach each upper limb to the axial skeleton form the pectoral girdle shoulder girdle. The clavicle is one of the most commonly broken bones in the human. Pdf anatomy, shoulder and upper limb, clavicle researchgate. The scapula is a triangular, flat bone, which serves as a site for attachment for numerous muscles. The shoulder complex, as it sounds, is a very complex area of the body. This video fully desrcibes the clavicle collar bone. These bones ossify partly from cartilage and partly from mesenchymal condensations. This information, together with the automated system, can be applied to future clavicle populations and to the design of fixation plates for clavicle fractures. The clavicles, or collarbones, are a pair of long bones that connect the scapula to the sternum. The clavicle is this long bone here which connects the scapula at one end and the manubrium of the sternum at the other end. Aclands video atlas of human anatomy is the optimal anatomical learning solution. Clavicle bones and surface anatomy of upper limb lecturio.
The clavicle is the first bone to ossify during the fifth week of gestation, and it contains the last ossification center to fuse in the human body, the medial. Thus, it does not participate in hematopoiesis, and blood production will not decrease if the bone is damaged. In this article, we shall look at the anatomy of the. This is a quiz called label the clavicle and was created by member jmarie. Like their connected bones, the scapulae are paired, with each scapula on either side of the body being roughly a mirror image of the other. Dec 17, 2018 the clavicle is a sigmoidshaped long bone with a convex surface along its medial end when observed from cephalad position. On the basis of region we have two types of bones that are. Anteriorly, the clavicle articulates with the sternum, thereby attaching the upper limb to the axial skeleton. The clavicle is one of the most commonly broken bones in the human body. The clavicle collarbone extends between the manubrium of the sternum and the acromion of the scapula. To unlock these benefits, simply scan the label located on your model and register online. Robert acland professor emeritus of surgery, university of louisville school of medicine as he shows and explains anatomical movement within each region of the body covering bones, muscles, tendons, organs, and. Seventeen muscles attach to the scapula, and it articulates with the clavicle to form the shoulder girdle or pectoral girdle, which supports movements of the humerus. Transmits force from the upper limb to the axial skeleton.
The clavicle is the only long bone in the body that lies horizontally. The clavicle happens to be one of the most commonly fractured bones in the human body. The clavicle is a long bone of the shoulder girdle. It is the only long bone that lies horizontally, and has no medullary cavity. The human clavicle bone has a cylindrical part called the shaft and two ends of which one is the medial end near the sternum and the other is the lateral end near the scapula. Two muscles are attached to the lateral third of the clavicle. The clavicle is a long bone that is preformed in connective. The clavicle, or collarbone, is a long bone that serves as a strut between the shoulder blade and the sternum breastbone. Women may experience the various other symptoms of any heart attack as opposed to chest pain. After publishing this human bone clavicle diagram, i can guarantee to impress you. Play this quiz called label the clavicle and show off your skills. The medial 23 of the bone has a convex curve and the lateral has a concave curve as seen from front.
The clavicle is a sigmoidshaped long bone with a convex surface. Explore and learn about the clavicle with our 3d interactive anatomy atlas. At the elbow, it connects primarily to the ulna, as the forearms radial bone. It medially articulates with the manubrium and laterally, it articulates with the scapula at the acromion process just looking at it from this superior view, you can see the curve shape, this sort of sshape of the bone. There have only been two studies to the authors knowledge that have evaluated the biomechanical response of the human clavicle.
The clavicle collarbone anatomy of the clavicle anatomy. One of the bones that meet at the shoulder is the clavicle, which is also known as the collarbone. The clavicle is a sigmoidshaped long bone with a convex surface along its medial end when observed from cephalad position. You may do so in any reasonable manner, but not in any. Pdf the clavicle is a sigmoidshaped long bone with a convex.
Together with the shoulder blade, it makes up the shoulder girdle. 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. Unlike homo clavicles, those of pan have a less sshaped mor. The clavicle, or collarbone, is a long bone that serves as a strut between the shoulder blade. The human clavicle or collarbone is a short bone that lies on the front of the chest thoracic wall. The collarbone is long, thin, and located at the base of the neck. The clavicle is also the most frequently fractured bone of the upper body especially since it lies superficially. While taping this segment, please note that the camera was placed posteriorly behind the rightsided clavicle. Developmental anatomy and morphometric data provide clinicians of. The most common source of a lump over the clavicle bone is a healing bone fracture.
Most clavicle fractures can be treated by wearing a sling to keep the arm and shoulder from moving while the bone heals. This video covers the anatomy, location and function of the clavicle bone, also called the collarbone. Ovaries contain over 500,000 eggs, but only about 400 get the opportunity to create life. Clavicle fracture broken collarbone orthoinfo aaos. 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 is comprised of the clavicle collar bone, sternum, scapula shoulder blade and humerus. Notice how the medial ends of the clavicles articulate with clavicular fossae of the manubrium of sternum. Dec 05, 20 this video fully desrcibes the clavicle collar bone. 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. There are two clavicles, one on the left and one on the right. Sep 15, 2015 upper limb bones are the first one to be studied in anatomy classes. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
The clavicle has a complex osteologic structure that makes morphological analysis extremely dif. Using the following count of bones in the body, ask your student to calculate a variety of math problems. To assist communication among human rehabilitation and veterinary colleagues, some anatomic terms used for dogs appear in regular print with the analogous terminology for humans in parentheses following the canine term. All 3b smart anatomy features are completely free of charge for you. It is above the rib cage and in front of the scapula. Sometimes the lump is a lipoma, or a harmless fatty tumor that settles on top of the collarbone. The clavicle is actually a long bone of the body although it is short in length. It articulates medially with the manubrium sterni, and laterally with the acromion of the scapula. This consists of two bones, the scapula and clavicle. The clavicle is present in mammals with prehensile forelimbs and in bats, and it is absent in sea mammals and those adapted for running. Describe both the sternoclavicular and acromioclavicular joints. There also are bands of fibrous connective tissuethe ligaments and the tendonsin intimate relationship with the parts of the skeleton. Functions include digestion, respiration, circulation, and reproduction.
The name clavicle comes from the latin word for little key and describes the shape of the clavicle as an oldfashioned skeleton key. Learn the anatomy of the clavicle and surrounding structures with these interactive quizzes and labeled diagrams. Human skeleton, the internal skeleton that serves as a framework for the body. Sixtyeight human cadaver clavicles were dissected, catscanned, and reconstructed. The clavicle functions landmarks fractures teachmeanatomy. Examples of this class of bones include clavicle, mandible, occipital, temporal and sphenoid etc. Take our clavicle quiz on oh, are you struggling with learning anatomy. It is comprised of two bones the clavicle and scapula. The human bone clavicle diagram can be your consideration when making about bone. For right now we collect some photos of human bone clavicle diagram, and each of them showing some fresh ideas.
The trapezius muscle, which is attached along the posterior surface of the bone. The clavicle collarbone is an sshaped bone located on the anterior side of the shoulder. A lot of women confuse these symptoms for something more important. It serves as a connection between the axial and appendicular skeleton. It also serves as an important and easily located bony landmark due to its superficial location and projection from the trunk. The clavicle is a long bone it is horizontally placed 3. The clavicle is a long bone it is horizontally placed 4. The clavicle has two primary ossification centers that fuse in its central part on day 45 2, 7.
Introduction osteology from the greek osteon, meaning bone is tha branch of. If the bump is located at either end of the clavicle, it could be caused by damage from osteoarthritis. Introduction to human anatomy introduction to the skeletal. Morphology and relation to arm movements and shoulder architecture in primates. The medial end of the clavicle articulates with the manubrium at the sternoclavicular joint 5. Developmental anatomy and morphometric data provide clinicians of different specialties with relevant information.
The compact volume includes all the key information needed for identification purposes, including hundreds of photographs. Complete french vocabulary list of human body words you can download on pdf for free. In anatomy, the scapula plural scapulae or scapulas, also known as the shoulder bone, shoulder blade, wing bone or blade bone, is the bone that connects the humerus upper arm bone with the clavicle collar bone. Physiology is the study of the functions of the body. Attaches the upper limb to the trunk as part of the shoulder 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. Depending on the level of displacement of the fracture, surgery may be indicated, and proper management is determined on an individual basis due to. The human skeleton bone and bone growth bone is living tissue, and, as such, can grow and remodel during a persons lifetime. It has a softer trabecular tissue inside with a hard shell of compact bone. Shoulder anatomy the shoulder is made up of three bones. It is the only long bone of human body that lies horizontally in its natural position. Scapula and clavicle shoulder girdle musculoskeletal. 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.
This model of the clavicle is an anatomically correct casting of a real human bone in its original size. Introduction to human anatomy introduction to the skeletal system human anatomy unit 1. The shoulder is the most mobile joint in the human body. Clavicle, also called collarbone, curved anterior bone of the shoulder pectoral girdle in vertebrates. 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. A total of five muscles are attached to the clavicle, found distributed at either the lateral third or medial two thirds of the bone. Variability in anatomical features of human clavicle. It plays an important role in connecting the upper limb to the trunk of the body. Describe the normal motions of both the sternoclavicular, acromioclavicular, and scapulothoracic joints. Clavicle upper limb humerus ulna radius carpals metacarpals phalanges. 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. Ziser, lecture notes, 2005 6 scapula is very moveable acts as almost a 4th segment of limb clavicle is the most frequently broken bone in the body, sometimes even during birth humerus.
Anatomy, shoulder and upper limb, clavicle statpearls ncbi. Upper limb 1 shoulder pectoral girdle shoulder girdle scapula proximal end of humerus clavicle sternoclavicular joint acromioclavicular joint. Discuss the muscles attached to the scapula and clavicle and their function. Clavicle and the anatomy of the neurovascular bundle the clavicle. This framework consists of many individual bones and cartilages. Human bone clavicle diagram diagram body of anatomy. Immediately above the first rib the bone has a cylindrical part called shaft, and two ends, lateral and medial. Quantitative anatomy of the growing clavicle in the human. Clavicle human collarbone anatomy, parts, location and. Conoid tubercle tuberculum conoideum is a bump on the inferior surface of the bone, near the acromial end. This file is licensed under the creative commons attribution 4. Anterior view of the bones of the right shoulder, showing the clavicle collarbone, scapula shoulder blade, and humerus upper arm bone.
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