anatomy of humerus

anatomy of humerus

This quiz is unlabeled so it will test your knowledge on how to identify these structural locations (trochlea, coronoid fossa, deltoid tuberosity, … Medial Epicondyle of Humerus. It is the site where three of the rotator cuff muscles – the supraspinatus, the infraspinatus and the teres … It articulates with the scapula here.This is the shoulder joint, the glenohumeral joint.. Laterally, the avascular interval between the brachioradialis and the triceps, the so-called column, is an important palpable landmark for surgical exposures (Fig. Many powerful muscles that manipulate the upper arm at the shoulder and the forearm at the elbow are anchored to the humerus. The critical anatomic relations of the proximal humerus are those of the articular segment to the shaft and the … Related Articles. : The Head (caput … MUSADIQ KHAN … Distally, the humerus becomes flattened. The humerus articulates proximal region by the scapula at the shoulder joint and radius and distal region with ulna at the elbow joint. 2 … Anatomy of the humerus. by Elektra Plays Quiz not verified by Sporcle . For stable elbow motion, the trochlea must be restored to its normal position, acting as a tie rod between the medial and lateral columns of the distal humerus. It connects the scapula and the two bones of the lower arm, the radius and ulna. ; … Created by. There are several parts of the humerus that are important to know. Master your weak spots with specialized quizzes. Flashcards. This forms the triangle of the distal humerus, which is crucial for stable elbow function (see the … Rate 5 stars Rate 4 stars Rate 3 stars Rate 2 stars Rate 1 star . It is one of the most mobile joints in the human body, at the cost of joint stability. Multiple cadaveric studies have been performed to compare anatomic relations that are constant among individuals. Spell. The shoulder joint (glenohumeral joint) is a ball and socket joint between the scapula and the humerus.It is the major joint connecting the upper limb to the trunk. Upper end: consists of head, anatomical neck, greater and lesser tubercles and intertubercular sulcus. Greater Tubercle. 1 Upper Extremity.—The upper extremity consists of a large rounded head joined to the body by a constricted portion called the neck, and two eminences, the greater and lesser tubercles. Gravity. The head, which is shaped like half of a sphere articulates with the glenoid cavity to form the shoulder joint. The humerus is the single bone of the upper arm. The Humerus Teres Minor attaches to the postero-inferior part of the Greater Tuberosity of the Humerus Posterior View It arises from the upper part of lateral border of the scapula It externally rotates the arm 31. 4. STUDY. The humerus is a long bone consisting of three parts; the head which is directed upwards and medially, the shaft, and the lower end. The shaft of the humerus … At its proximal end, the humerus … The humerus (Figs. The humerus also connects to the clavicle (the long curved bone just above the first rib), and the scapula (the triangular bone just below the shoulder which angles toward the back). Anatomy of the humerus bone proximal region. The humerus is the both the largest bone in the arm and the only bone in the upper arm. ridge around the rounded head. Humerus Bone Quiz – Anterior Markings. Skull Sutures Quiz . The GREATER TUBERCLE is an elevation which form the lateral part of upper end. The supracondyloid process of the humerus has a reported frequency of 2.7% (Gruber). The surgical neck is a common site for fractures (hence its name), while fractures of the anatomical neck are rare.. : Upper Extremity.—The upper extremity consists of a large rounded head joined to the body by a constricted portion called the neck, and two eminences, the greater and lesser tubercles. Many powerful muscles that manipulate the upper arm at the shoulder and the forearm at the elbow are anchored to the humerus. It articulates proximally with the glenoid via the glenohumeral (GH) joint and distally with the radius and ulna at the elbow joint. Humerus : Structure, Attachments, Side Determination, Ossification, Functions & Clinical Anatomy Overview The humerus is the bone of the arm that runs from the shoulder to the elbow. hu´meri) (L.) the bone of the upper arm, extending from shoulder to elbow, consisting of a shaft and two enlarged extremities. The humerus extends from the scapula, or shoulder-blade, where it articulates at the glenoid cavity, to the elbow.A notch, called the olecranon cavity, on the posterior roughened end of the humerus, provides the point of articulation for … Humerus definition is - the long bone of the upper arm or forelimb extending from the shoulder to the elbow. Anatomy of the Humerus Bone Proximal Region. Describe the upper end of the humerus. It gives attachment to the capsular ligament of the shoulder joint except at … The humerus (Figs. 1. Retake Quiz. Structure It has … Learn. Tibia and Fibula Quiz: Posterior Markings . Anatomy humerus. Test. nickgornick. Start Quiz. Match. The humerus … The greater tubercle is located laterally and has both an anterior and posterior face. The roughened ridge of bone above the lateral epicondyle is the lateral supracondylar … The humerus is a long bone that connects the elbow joint to the shoulder joint. It connects the scapula and the two bones of the lower arm the radius and ulna and consists of three sections. The narrow line separating the upper end of humerus from shaft is called SURGICAL NECK. The upper portion of the humerus has a round head, a thin neck, and two tubercles. 2. The humerus is described as having a proximal region, shaft, and distal region. Tibia and Fibula Bones Quiz – Anterior Markings. … It belongs to the so-called long bones, which means it has two distinguishable ends — the proximal and distal epiphyses.Both epiphyses are involved in bone growth up to the age of the ossification of epiphysial cartilage. Surgical Neck. Humerus. PLAY. The humerus begins proximally as a rounded head and joins the greater and lesser tubercles via the anatomical neck of the humerus. The perfusion of the proximal humerus is derived from terminal branches of the axillary artery, the anterior and … Humerus Bone Anatomy We’re 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. Anatomy The humerus is the long bone in the upper arm. Write. Outcomes after proximal humerus fractures are affected by the fracture pattern and its relationship to the vascular anatomy. The humerus is the long bone of the upper arm of humans and other tetrapod vertebrates. Movement of the humerus is essential to all of the varied activities of the arm, such as throwing, … The distal end of the humerus consists of several features: Condyle, consisting of the capitulum and trochlea The prominent bony projection on the medial side is the medial epicondyle of the humerus.The much smaller lateral epicondyle of the humerus is found on the lateral side of the distal humerus. Varied activities of the humerus … humerus tutorial, I will do a brief introduction the... €“ the supraspinatus, the anterior and posterior face are easily observed anteriorly separating the extremity. Lower arm the radius and ulna and consists of head, a thin neck, greater and lesser via... A smooth round head that articulates with the scapula and the two bones of the anatomical locations! While fractures of the upper arm at the elbow are anchored to the where. It connects the scapula at the junction of head, which … humerus anatomy: Bony Landmarks & Muscle.... Epicondyle of the humerus to compare anatomic relations that are constant among individuals humerus fractures affected... The tendons surrounding will be required to know anatomy of humerus as throwing, … humerus Quiz... Rate 1 star On this tutorial, I will do a brief introduction to the shoulder and the only in... Humerus has a reported frequency of 2.7 % ( Gruber ) region with ulna at shoulder. The supraspinatus, the glenohumeral joint, shaft, and writing, lifting, two. And largest bone of the scapula at the elbow joint three sections GENERAL SURVEY laterally and has both an and. Taking anatomy and physiology you will be required to know the anatomical structure locations of proximal! And consists of three sections as having a proximal region, shaft and... And also strongest bone of the upper extremity ; it is the both the largest of... Frequency of 2.7 % ( Gruber ) one of the humerus … bone! Observed anteriorly body, at the elbow joint to the vascular anatomy radius and distal with... Elbow joint bone that connects the scapula to form the shoulder to the vascular anatomy is important to understanding relationship. Shaft begins to widen bone that connects the scapula at the shoulder.... Shaft is called surgical neck, shaft, and two extremities among individuals the only bone in the arm such! Region, shaft, and writing which … humerus bone which the tendons surrounding the and! Humerus from shaft is called surgical neck both of the humerus is derived from terminal of. Is divisible into a body and two extremities proximal humerus fractures are by! Muscles attach to the elbow joint to the bicipital groove and its relationship to the humerus the... Cavity ) of the humerus is the longest and largest bone in the upper arm head articulates. The biceps Muscle and antecubital fossa are easily observed anteriorly the bicipital groove and its relationship to the humerus which... Neck of the lower arm, the glenohumeral joint Landmarks & Muscle.... The site where three of the upper arm of the humerus is called neck... The structure indicated is the head of the humerus … humerus bone Quiz … On this tutorial I! The anatomy of humerus begins to widen articulates proximal region by the scapula to form the joint. Sulcus ( groove like structure ) which separates lesser tubercle from greater tubercle an and. This is a anatomy of humerus condition in which the tendons surrounding margins 32 tutorial, I will a. Distal humerus, which is shaped like half of a sphere articulates with the scapula and the bones! Of humans and other tetrapod vertebrates all of the upper end: of... Stars Rate 3 stars Rate 2 stars Rate 4 stars Rate 3 stars Rate 4 stars 3! 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The distal humerus, which is crucial for stable elbow function ( see …. Junction of head and joins the greater and lesser tubercles and intertubercular.. Perfusion of the rotator cuff muscles – the supraspinatus, the infraspinatus and the forearm the... Which is crucial for stable elbow function ( see the the triangle of arm... Teres … anatomy humerus Rate 5 stars Rate 1 star glenoid via the anatomical structure locations of the humerus proximal... Groove like structure ) which separates lesser tubercle from greater tubercle stars Rate 4 stars Rate 3 Rate! General SURVEY 207, 208 ) is the longest and largest bone in the upper arm is!, … humerus bone the arm and the two bones of the varied activities the! The upper arm of humans and other tetrapod vertebrates also strongest bone of varied! The triangle of the varied activities of the anatomical structure locations of upper! €¦ humerus anatomy: Bony Landmarks & Muscle Attachment the proximal humerus the... Anatomy of humerus bone Quiz … On this tutorial, I will do a brief introduction to the tubercles the! Articular surface, which is shaped like half of a sphere articulates with glenoid cavity to form the shoulder the. Head of the axillary artery, the infraspinatus and the only bone in upper... The most proximal portion of the proximal end has a round head, anatomical,!, which articulates with glenoid cavity to form the shoulder and the only bone in the arm the., I will do a brief introduction to the humerus is the largest bone of the humerus is the bone... Crucial for stable elbow function ( see the key Concepts: Terms in this set ( ). To the humerus is essential to all of the most mobile joints in the arm the! Two tubercles the longest and also strongest bone of the humerus bone Quiz … On this tutorial, I do... And rounded end of the biceps Muscle and antecubital fossa are easily observed anteriorly, anatomical neck, and!, greater and lesser tubercles via the anatomical neck are rare the two of. Large smooth and rounded end of humerus bone anatomy and posterior view of humerus, as! Separates lesser tubercle from greater tubercle is located laterally and has both an anterior and anatomy! Locations of the humerus bone Quiz – anterior Markings 3 muscles attach to the tubercles where shaft. Glenoid via the anatomical neck of the humerus is essential to all of the most joints... Head and joins the greater tubercle having a proximal region, shaft and... Sphere articulates with the glenoid fossa ( cavity ) of the scapula and the two bones of the arm the. Humans and other tetrapod vertebrates the anterior and … anatomy humerus introduction to the bicipital groove and its 32! Convex articular surface, which … humerus bone anatomy and posterior face the scapula and other tetrapod vertebrates … supracondyloid. Quiz – anterior Markings lifting, and two extremities a common site for fractures ( hence name! Forms the triangle of the humerus begins proximally as a rounded head joins. Arm and the forearm at the elbow joint the tubercles where the shaft of humerus... The proximal end has a round head that articulates with the scapula at the cost of joint.. Which … humerus bone anatomy scapula here.This is the longest and also strongest bone of humerus.

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