Humerus j orthop trauma volume 21, number 10 supplement, novemberdecember 2007 subgroups and qualifications. Anatomy of the upper limb the pectoral shoulder girdle is a bony ring, incomplete posteriorly, formed by thescapulae, clavicles and completed anteriorly by the manubrium of the sternum 2arm brachium is between the shoulder and the elbow and is centered around the humerus. My materials clay large sponge i used this to construct the compact bone internal layer appears dense and solid with passageways for nerves. Scapula position and humeral rotation can affect injury risk during humeral elevation. Cartilage furnishes elastic, supporting connective tissues which protect the bones at the joints from shock and give the skeleton more flexibility. Introduction osteology from the greek osteon, meaning bone is tha. Pdf anatomy, shoulder and upper limb, humerus researchgate.
The radius and ulna bones are found in the forearm. The seated medicine ball throw as a test of upper body power in older adults. Cole md, mba, in surgical techniques of the shoulder, elbow, and knee in sports medicine, 2008. At the elbow, it connects primarily to the ulna, as the forearms radial bone connects to the.
The ulna acts as the stabilising bone, with the radius pivoting to produce movement. Jul 12, 2019 anatomy of the humerus bone proximal region. Humerus, long bone of the upper limb or forelimb of land vertebrates that forms the shoulder joint above, where it articulates with a lateral depression of the. The humerus is the longest and strongest bone in the upper limb the humerus 3. In anatomy, the arm is the part of the upper extremity from the elbow to the shoulder. It may be divided into thirds along its length the humerus 6. Surrounding the entire bone is the fibrous periosteum layer that provides a thin, yet strong connecting material for the tendons and ligaments that bind the humerus to muscles and other bones. Humerus bone anatomy, function, fractures, more healthline. Nonunion of the distal humerus after fracture or osteotomy is uncommon but can present an important clinical problem. Many muscles which manipulate the arm, at the forearm, at the elbow and the shoulder are anchored to the humerus bone. The anatomical neck of the humerus is an indentation distal to the head of the humerus on which the. Your humerus is the long bone in your upper arm thats located between your elbow and shoulder. The humerus is the single bone of the upper arm region figure 1. Neither the vertebral column nor the thoracic cage is discussed here see chapters on the anatomy of the cervical and thoracic spine.
The purpose of this study was to describe the intraosseous vascular anatomy of the distal humerus. This is the large, round, smooth region that faces. The humerus is a long bone in the arm that runs from the shoulder to the elbow. The results indicate broad similarity in trabecular bone structure in these bones across anthropoids.
Dec 05, 2017 an interactive quiz covering humerus bone through multiplechoice questions and featuring the iconic gbs illustrations. Dec 17, 2018 the humerus is the largest bone of the upper extremity and defines the human brachium arm. Jan 20, 2020 the ulna is a long bone in the forearm. Nonoperative treatment of closed displaced midshaft clavicle fractures. The humeral upper extremity consists of a rounded head, a narrow neck, and two short processes tubercles, sometimes called tuberosities. In clinical anatomy and physiology of exotic species, 2005. Anatomy humerus mug, funny humerus bone coffee mugs, orthopedic gift, gifts, camp mug, tumbler beanmugs. The humerus is referred to as the bone of the arm and sometimes commonly referred to as the funny bone. A description of the humerus with all of its major landmarks such as major and minor tubercles and their respective crests, deltoid tuberosity, trochlea, cap. This quiz is unlabeled so it will test your knowledge on how to identify these structural locations trochlea, coronoid fossa, deltoid tuberosity, medial epicondyle, lateral supracondylar ridge, radial groove, greater.
The region articulates forming part of the shoulder joint. The proximal humerus is marked by a head, anatomical neck, surgical neck. When you are taking anatomy and physiology you will be required to know the anatomical structure locations of the humerus bone. It connects the scapula and the two bones of the lower arm, the radius and ulna, and consists of three sections. Vascular insufficiency of bone may be an important contributing factor.
A study of the structure of the humerus in the corvidae. Humerus bones of upper limb anatomy simplified youtube. Humerus, long bone of the upper limb or forelimb of land vertebrates that forms the shoulder joint above, where it articulates with a lateral depression of the shoulder blade glenoid cavity of scapula, and the elbow joint below, where it articulates with projections of the ulna and the radius. The bones also facilitate body movement by acting in cooperation with numerous muscles attached to the bones by tendons. Our philosophy is to bring the genius of natures hidden designs to light. The humerus is the bone that forms the upper arm, and joins it to the shoulder. Oct 16, 2017 compact bone forms the largest and strongest structure in the humerus, surrounding the trabeculae in the ends and the medullary cavity in the shaft. The humerus is the only bone found in the anatomical arm. The proximal end is round and has an articular head. Humerus, proximal, extraarticular, unifocal tuberosity 11a1 1.
It is the only bone in the arm it is a long bone the humerus 4. Our normal human body objects are extracted and modeled from digitized databases or by scans of actual objects. It articulates with the radius and ulna bones of the forearm to form the elbow joint. Proximally, the ulna articulates with the humerus at the elbow joint. Upper limb bones anatomy bones of the upper extremity. Harris c, wattles ap, debeliso m, seveneadams, pg, berning jm, adams kj. Anatomy humerus mug, funny humerus bone coffee mugs, orthopedic gift, gifts, camp mug, tumbler.
Humerus bone anatomy were going to be looking at a humerus from the right arm pictured above, with the anterior or front view on the left, and the posterior or back view on the right. The most proximal portion of the humerus is the head of the humerus, which. The shaft connects both the proximal and distal ends. The humerus is maintained in a position of adduction and neutral flexion or extension as the capsular attachment to the humerus is released and the humerus is progressively externally rotated. The prominent bony projection on the medial side is the medial epicondyle of the humerus. The session will be beneficial for neet pg,fmge,inicet, ist year mbbs students, next aspirants. The wing skeleton consists of humerus, radius, ulna, carpal bones, carpometacarpus, and three digits orosz et al. The scapula is a thin sheet of bone that functions mainly as a site of muscle attachment figs 23, see putz, figs. Compared with scapular protraction, scapular retraction has been shown to both increase subacromial space width and enhance supraspinatus force production during humeral elevation.
Cut file for cricut or silhouette or your printer shanasthings. You need to get 100% to score the 24 points available. The humerus is a long bone which consists of a shaft diaphysis and two extremities. The humerus bone is the only bone that makes up the arm, anatomically speaking. Jan 20, 2018 the humerus is the long bone in the upper arm. The humerus is a short bone that lies against the body wall when the wing is folded. The humerus is connected with the scapula at one end, and with both forearm bones radius and ulna on the other end. The metaphysis is the joining point between the epiphysis and. Humeral trabecular bone is more isotropic than femoral trabecular bone in all species sampled, possibly re. Pdf the humerus is the largest bone of the upper extremity and defines the human brachium arm. It lies medially and parallel to the radius, the second of the forearm bones. We do not fashion our normal bone models into artistic abstractions. It articulates proximally with the glenoid via the glenohumeral gh joint, and distally with the radius. The humerus articulates with the scapula proximally at the glenohumeral joint so it participates in the movements of the shoulder.
Please stop by our store 3dbodyjewelry and see our unique line of. It extends between the shoulder and the elbow and is the longest and largest bone of the upper limb. Mar 16, 2016 the humerus is the longest and strongest bone in the upper limb the humerus 3. The humerus is the largest bone of the upper extremity and defines the human brachium arm. Skull the bones of the skull figure 2 are generally fused providing protection to the brain while being of light weight. Proximally, the humeral head articulates with the glenoid of the scapula to comprise the scapulohumeral joint.
Mar, 2021 this session will be taken in english by dr monalisa, discussion of humerus bone will be done. It articulates with the radius and ulna bones of the forearm to. The humerus o the humerus is a long bone, the largest in the upper limb o it articulates proximally with the scapula at the scapulohumeral glenohumeral joint o it articulates distally with the ulna at the elbow joint lesser tubercle at the surgical neck extensorsthe medial and lateral the head of radius the right humerus. Head lets start with the ballshaped section at the proximal end or top of the humerus, which is called the head. Musadiq khan durrani 1 musadiq khan durrani ucmd university of lahore 2.
Ppt anatomyofthehumerus powerpoint presentations and. A collection of interactive tutorials about the bones of the upper limb clavicle, scapula, humerus, radius, ulna, carpal, and hand bones, featuring the iconic. A using the femur as an example of a long bone, the epiphysis is the enlarged area at either end of the bone while the diaphysis is the long shaft in the middle portion of the bone. Proximally, it has a welldeveloped pectoral crest where the pectoralis muscles insert. Humerus bone right human upper arm published 20170510t15. The anatomical neck is the part between the head and the tuberosities. It articulates proximally with the glenoid via the glenohumeral gh joint and distally with the radius and ulna at the elbow joint. Bone growth and development continues from birth to about twenty years of age.
Trabecular bone structure in the humeral and femoral heads of. A round and thin neck and couple of tubercles account for the upper portion of the humerus. It is the longest and also strongest bone of the upper limb. Trabecular bone structure in the humeral and femoral heads.
Bones of the appendicular skeleton western oregon university. At the elbow, the humerus helps to form the elbow joint. The humerus is a long bone forming the skeleton of the upper arm. Anatomy hinged joint with single axis of rotation trochlear axis at bottom of virtual distal humeral triangle trochlea is center point of ap with a lateral and medial column trochlear axis compared to longitudinal axis is 4 8 degrees in valgus 48 deg. It consists of a proximal end, a shaft and a distal end, all which contain important anatomical landmarks. Internal struts add strength to some bones such as the humerus. The greater tubercle is situated sideways and consists of both anterior and posterior face. The humerus is the longest and largest bone of the upper limb. This is where the top part of the rotator cuff attaches to the humerus, speci. It consists of a proximal end, a shaft and a distal end, all which contain important anatomical.
Pdf intraosseous blood supply to the distal humerus c. The humerus is the single bone of the upper arm region. This is an online quiz called naming the humerus there is a printable worksheet available for download here so you can take the quiz with pen and paper. It is located between the elbow joint and the shoulder. It may be divided into thirds along its length the humerus 5. Proximal humerus fracture book twin cities orthopedics. Osseous structures of interest are the scapula, humerus and. This it the part of the humerus that articulates with the glenoid socket. At its image description proximal end, the humerus is attached to the axial skeletal by the shoulder girdle or. The equine humerus is a relatively short, compact bone with a significant muscular covering and complex surface topography. The bones while maintaining strength, most of the bones are pneumatic, being hollow and filled with air spaces connected to the respiratory system.
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