It connects the scapula and the two bones of the lower arm, the radius and. The axilla, the region inferior to the shoulder, lies medial to the arm. It is located between the elbow joint and the shoulder. Download simple and complex fractures of the humerus. 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. Anatomy anatomy of the forearm see online here the forearm is the region of the upper limb located between the elbow and the wrist. The incidence of proximal humerus fractures is 4% to 5% of 1all fractures. The greater tubercle is located laterally and has both an anterior and posterior. The proximal end is rounded, while the distal end is ventrodorsally flattened. The humerus is the longest and largest bone of the upper limb. Explain why anatomy today is considered a relatively broad science and discuss its various disciplines. The supracondyloid process of the humerus has a reported frequency of 2. Introduction to anatomy, chapter 1 outline of class notes objectives. The surgical neck is a common site for fractures hence its name, while fractures of the anatomical neck.
The humerus is referred to as the bone of the arm and sometimes commonly referred to as the funny bone. Explore and learn about the humerus with our 3d interactive anatomy atlas. Humerus bone anatomy study for medical students, medical animation. For low fractures the medial plate can be bent around the medial epicondyle, with the two distal screws. Clinically oriented anatomy moore the quiz above includes the following bones for identification. Pdf the humerus is the largest bone of the upper extremity and defines the human brachium arm.
List and describe the 6 levels of structural organization. The upper portion of the humerus has a round head, a thin neck, and two tubercles. Join a live hosted trivia game for your favorite pub trivia experience done virtually. The circumference of its articular surface is slightly constricted and is termed the anatomical neck, in contradistinction to a constriction below the tubercles. 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. Humerus fractures shaft non operative management splint then functional bracing humerus and the centers of the pectoralis major, latissimus dorsi, and teres major tendon footprints on the humerus were 43. Proximally, humerus forms part of the shoulder joint whereas distally, the humerus articulates with the radius and ulna to form the elbow joint. Images and pdfs the skull an image of the skull with blank labels attached. The humerus articulates with the scapula proximally at the. However, if the arm is passively assisted for the first 15 of abduction, the deltoid can then take over and complete the movement to a right angle. It connects the scapula and the two bones of the lower arm, the radius and ulna, and consists of three sections. The body is a sequence of objects that make up the document.
If a virtual private party is more your thing, go here for details. This latter function of the supraspinatus allows the deltoid muscle to contract and abduct the humerus at the shoulder joint. The humerus articulates proximal region by the scapula at the shoulder joint and radius and distal region with ulna at the elbow joint. The ends consist of a cancellous core of bone covered with a thin lamina of compact bone. The humerus is described as having a proximal region, shaft, and distal region. The greater tubercle is an elevation which form the lateral part of upper end.
Its structure is maintained by two long bones, the radius, and the ulna, along with numerous muscles, tendons, and ligaments. 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. Palpate deeply as you climb up the humerus to the surgical neck. In this article we will cover the middle part, that is the shaft of the humerus bone. As this site is about medical pdf s so here we would be talking only about medical subjects. At the elbow, the humerus helps to form the elbow joint. To ensure usersafety and faster downloads, we have uploaded this. The game ends when you get all 24 questions correct, or when you give up. Structure parts of the humerus head of the humerus. The narrow line separating the upper end of humerus from shaft is called surgical neck. Anatomical and surgical neck both of the humerus are highly susceptible to fracture. Place the ulnar aspect of the opposite hand along the midline of the upper arm laterally. The muscles, tendons and ligaments around the shoulder.
It has a long cylindrical shaft with expanded ends. Place the ulnar aspect of one hand vertically over the axilla. Anatomy anatomy of the arm see online here the arm is the region of the upper limb that extends from the shoulder to the elbow joint. A guide to assessment and treatment pdf free download. The humerus is the single bone of the upper arm region. Measurements were classified as measurements of diaphysis and proximal and distal epiphysis of humerus. There is intertubercle sulcus groove like structure which separates lesser tubercle from greater tubercle.
The humerus is a long bone which consists of a shaft diaphysis and two extremities epiphysis. Locate and describe the major organs of the musculoskeletal system and their functions. At the elbow, it connects primarily to the ulna, as. It connects inferiorly to the forearm through the cubital fossa located anterior to the elbow. Learn all about the anatomical features of the humerus with our flashcard images and videos. There are 8 types of objects and each one listed in the body is an indirect object. May 29, 2017 anatomy being the subject of structures is one of the toughest subject. The humerus begins proximally as a rounded head and joins the greater and lesser tubercles via the anatomical neck of the humerus. The head of the humerus is a hemisphere that faces medially and articulates with the glenoid fossa of the shoulder joint.
Humerus fractures shaft non operative management splint then functional bracing file. Anatomy books pdf all medical pdfs download pdf files. As this site is about medical pdfs so here we would be talking only about medical subjects. P roximal humerus fractures in the elderly are a relatively rare injury, and appropriate treatment, especially of displaced fractures, remains controversial. It articulates with the radius and ulna bones of the forearm to form the elbow. In this article, we are sharing with our audience the genuine pdf download of human physiology 12th edition pdf using direct links which can be found at the end of this blog post. The naming of the anatomical neck and the surgical neck are switched, sorry for my mistake.
The humerus articulates with the scapula proximally at the glenohumeral joint so it participates in the movements of the shoulder. Many muscles which manipulate the arm, at the forearm, at the elbow and the shoulder are anchored to the humerus bone. This is the one line header section and all it does is declare the file as a pdf file of version 1. At the elbow, it connects primarily to the ulna, as the forearms radial bone connects to the. Jan 16, 2018 the humerus is the site where many muscles and ligaments are attached, resulting in multiple raised roughening on the bony surface area. Related quizzes the full skeleton, quiz 2 more questions on the bones of the whole skeleton. Muscles stabilizing pectoral girdle muscles of the upper limb. It is directed upward, medialward, and a little backward, and articulates with the glenoid cavity of the scapula to form the glenohumeral joint shoulder joint.
Placement of plates on the distal humerus must take into account the complex anatomy. Free download simple and complex fractures of the humerus. Proximal humerus anatomy 1 3 5 2 4 6 place the patients hand over the abdomen elbow adducted and humerus internally rotated. This fracture is commonly seen in adult but in the rare case it may also happen to children. Dec 17, 2018 pdf the humerus is the largest bone of the upper extremity and defines the human brachium arm. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Pdf anatomy, shoulder and upper limb, hand compartments. The humerus is a long bone in the arm that runs from the shoulder to the elbow. An interactive quiz covering humerus bone through multiplechoice questions and featuring the iconic gbs illustrations. Pdf anatomy, shoulder and upper limb, cutaneous innervation. It consists of a proximal end, a shaft and a distal end, all which contain important anatomical landmarks. Humerus 3d models ready to view, buy, and download for free.
Jul 07, 2019 free download simple and complex fractures of the humerus. Gross anatomy surface anatomyanatomy that we can see at the surface of the body everyday life regional anatomycomplete anatomy internal of a specific region of the body learning every blood vessel, muscle, bones, etc. The sacrum is a wedge about the size of the hand but more pefectly shaped, bent like a halfbent hand, and carrying a very small tip about as big as the last joint of the thumb coccyx. Humerus article about humerus by the free dictionary. The head caput humeri, is nearly hemispherical in form. Jan 11, 2015 the greater tubercle is an elevation which form the lateral part of upper end. Adachi summarized the literature up to 1828 and found 12 authors not including gruber had studied 9620 humeri and identified supracondylar processes in 78 or 0. It extends from the shoulder joint to the elbow joint. The humerus is a long bone that supports the upper arm upper arm bone. Pdf anatomy, shoulder and upper limb, humerus researchgate. Correctly place bones in either the axial or the appendicular skeleton.
Jan 30, 2015 the humerus is the long bone in the upper arm. Anatomy being the subject of structures is one of the toughest subject. The surgical neck is found just inferior to the tubercles where the shaft begins. The appendicular skeleton the bones of the arms and legs. Join us in this video where we discuss the anatomy of the humerus through the use of a model. The humeral upper extremity consists of a rounded head, a narrow neck, and two short processes tubercles, sometimes called tuberosities. The shaft is a cylinder of thick compact bone surrounding a large. Its upper surface is rounded and marked by three flat impressions. Jul 22, 2019 pdf on jul 22, 2019, peter baglien and others published anatomy, shoulder and upper limb, cutaneous innervation find, read and cite all the research you need on researchgate.