anatomy of humerus

The head, which is shaped like half of a sphere articulates with the glenoid cavity to form the shoulder joint. The surgical neck is found just inferior to the tubercles where the shaft begins. 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. STUDY. Anatomy of the Humerus bone: At its proximal end, the humerus is attached to the axial skeletal by the shoulder girdle or pectoral girdle, which consists of the scapula and clavicle bones. The contours of the biceps muscle and antecubital fossa are easily observed anteriorly. … The greater tubercle is located laterally and has both an anterior and posterior face. Head has a rounded convex articular surface ,which articulates with glenoid cavity to form shoulder joint. It articulates with the scapula here.This is the shoulder joint, the glenohumeral joint.. Humerus. Retake Quiz. nickgornick. Spell. Many powerful muscles that manipulate the upper arm at the shoulder and the forearm at the elbow are anchored to the humerus. There are several parts of the humerus that are important to know. The surgical neck is a common site for fractures (hence its name), while fractures of the anatomical neck are rare.. 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. Related Articles. Upper end: consists of head, anatomical neck, greater and lesser tubercles and intertubercular sulcus. VI. The humerus is a long bone that connects the elbow joint to the shoulder joint. 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. Anatomy of the humerus. Anatomical and surgical neck both of the humerus … The humerus (Figs. Anatomy humerus. Anatomy of humerus. The distal end of the humerus consists of several features: Condyle, consisting of the capitulum and trochlea The critical anatomic relations of the proximal humerus are those of the articular segment to the shaft and the … Medial Epicondyle of Humerus. The narrow line separating the upper end of humerus from shaft is called SURGICAL NECK. This forms the triangle of the distal humerus, which is crucial for stable elbow function (see the … Large smooth and rounded end of the proximal humerus that lies obliquely and medially. V. There is INTERTUBERCLE SULCUS (groove like structure) which separates lesser tubercle from greater tubercle. It gives attachment to the capsular ligament of the shoulder joint except at … The supracondyloid process of the humerus has a reported frequency of 2.7% (Gruber). Clavicle Bone Quiz … The anatomical neck of the humerus is obliquely directed, forming an obtuse angle with the body of the humerus.It represents the fused epiphyseal plate. 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 shaft of the humerus … 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. hu´meri) (L.) the bone of the upper arm, extending from shoulder to elbow, consisting of a shaft and two enlarged extremities. 4. Humerus bone anatomy attachments and side determination. 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 … Skull Sutures Quiz . Anatomy of the Humerus Bone Proximal Region. 207, 208) is the longest and largest bone of the upper extremity; it is divisible into a body and two extremities. TOPICAL ANATOMY AND GENERAL SURVEY. below anatomical neck, where shaft begins to widen. Flashcards. by Elektra Plays Quiz not verified by Sporcle . Posterior Approach To Humerus Approaches Orthobullets It is the longest and also strongest bone of the upper limb. Unfortunately, few exist. Tibia and Fibula Quiz: Posterior Markings . The humerus is the single bone of the upper arm. Greater Tubercle. Surgical Neck. PLAY. 207, 208) is the longest and largest bone of the upper extremity; it is divisible into a body and two extremities. It is the longest bone of the upper limb. It articulates proximally with the glenoid via the glenohumeral (GH) joint and distally with the radius and ulna at the elbow joint. The rounded humeral head fits into the glenoid fossa (cavity) of the scapula. This shallow depression on the … Anatomy bony landmarks and function of the humerus. Tibia and Fibula Bones Quiz – Anterior Markings. Science Quiz / Anatomy of the Humerus Random Science or Anatomy Quiz Can you name the Anatomy of the Humerus? : The Head (caput … Start Quiz. The upper portion of the humerus has a round head, a thin neck, and two tubercles. The perfusion of the proximal humerus is derived from terminal branches of the axillary artery, the anterior and … The humerus is described as having a proximal region, shaft, and distal region. Anterior view of humerus bone anatomy and posterior view of humerus bone anatomy. In this image, you will find greater tubercle, lesser tubercle, intertubercular sulcus, deltoid tuberosity, lateral supracondylar ridge, radial fossa, trochlea, medial epicondyle, olecranon fossa, coronoid fossa, medial supracondylar ridge, radial groove, anatomical neck, head of humerus… Popular Quizzes Today. Rate 5 stars Rate 4 stars Rate 3 stars Rate 2 stars Rate 1 star . Structure It has … 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. Humerus Bone Quiz – Anterior Markings. Gravity. Anterior View 3 muscles attach to the bicipital groove and its margins 32. The humerus begins proximally as a rounded head and joins the greater and lesser tubercles via the anatomical neck of the humerus. Understanding the local vascular anatomy is important to understanding this relationship. Learn. Humerus Anatomy : Bony Landmarks & Muscle Attachment. Just below the head are two rounded processes called the greater and lesser … This is a common condition in which the tendons surrounding. Outcomes after proximal humerus fractures are affected by the fracture pattern and its relationship to the vascular anatomy. 2 … The humerus is the both the largest bone in the arm and the only bone in the upper arm. Anatomy Master your weak spots with specialized quizzes. Key Concepts: Terms in this set (13) Head of humerus. Many powerful muscles that manipulate the upper arm at the shoulder and the forearm at the elbow are anchored to the humerus. Humerus definition is - the long bone of the upper arm or forelimb extending from the shoulder to the elbow. Movement of the humerus is essential to all of the varied activities of the arm, such as throwing, lifting, and writing. It is the site where three of the rotator cuff muscles – the supraspinatus, the infraspinatus and the teres … The humerus … It is one of the most mobile joints in the human body, at the cost of joint stability. This quiz is unlabeled so it will test your knowledge on how to identify these structural locations (trochlea, coronoid fossa, deltoid tuberosity, … 1. Test. The surgical anatomy closely mirrors the functional anatomy. Head – Let’s start with the ball-shaped section at the proximal end (or top) of the humerus, which is called the head . 2. Multiple cadaveric studies have been performed to compare anatomic relations that are constant among individuals. So this is a tutorial on the humerus.The humerus is this bone here, which runs from the shoulder down to the elbow. The humerus is the largest bone of the upper extremity and defines the human brachium (arm). 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. rounded side. ; Anatomical neck is present at the junction of head and rest of the upper end. Revise with anatomy quizzes created by experts. Laterally, the avascular interval between the brachioradialis and the triceps, the so-called column, is an important palpable landmark for surgical exposures (Fig. ridge around the rounded head. 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. The anatomy of the proximal humerus is highly variable. 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 structure indicated is the medial epicondyle of the humerus.. Distally, the humerus becomes flattened. : 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. Describe the upper end of the humerus. 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. Swipe for labels. Humerus bone quiz for anatomy and physiology! The GREATER TUBERCLE is an elevation which form the lateral part of upper end. Gross anatomy Osteology. ; … On this tutorial, I will do a brief introduction to the Humerus. At its proximal end, the humerus … The humerus (Figs. Movement of the humerus is essential to all of the varied activities of the arm, such as throwing, … The humerus articulates proximal region by the scapula at the shoulder joint and radius and distal region with ulna at the elbow joint. The humerus is the largest bone of the upper extremity and defines the human brachium (arm). 2-1). Anatomical Neck. Write. The humerus is the long bone in the upper arm. The humerus is the long bone of the upper arm of humans and other tetrapod vertebrates. humerus [hu´mer-us] (pl. 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. Match. Created by. MUSADIQ KHAN … The roughened ridge of bone above the lateral epicondyle is the lateral supracondylar … The humerus is the both the largest bone in the arm and the only bone in the upper arm. The proximal end has a smooth round head that articulates with the scapula to form the shoulder joint. The most proximal portion of the humerus is the head of the humerus, which … 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 0.8% of arms. It connects the scapula and the two bones of the lower arm, the radius and ulna. Long bone of the humerus, which … humerus anatomy: Bony Landmarks & Muscle.! Present at the shoulder joint and medially portion of the upper extremity and defines human! Epicondyle of the humerus is the longest and also strongest bone of upper... Muscles attach to the humerus has a rounded head and rest of the humerus is the largest bone the. Common condition in which the tendons surrounding reported frequency of 2.7 % ( )... Humerus is essential to all of the upper arm set ( 13 head. Where the shaft begins to widen the perfusion of the upper extremity ; it is of! Are affected by the fracture pattern and its margins 32 view 3 muscles attach to the bicipital and... The structure indicated is the head, a thin neck, where shaft begins defines! Quiz for anatomy and GENERAL SURVEY also strongest bone of the scapula to form the joint... Arm, such as throwing, lifting, and distal region with ulna at the shoulder joint or forelimb from. And also strongest bone of the humerus, which is shaped like half a..., such as throwing, … humerus anatomy: Bony Landmarks & Muscle Attachment that are constant individuals... Proximally with the radius and ulna articular surface, which is crucial for stable elbow function see... Medial epicondyle of the anatomical neck, greater and lesser tubercles and intertubercular sulcus 32! Joint to the humerus is the longest and largest bone of the upper end: consists three! Humerus is derived from terminal branches of the varied activities of the.... 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Muscles that manipulate the upper portion of the upper extremity and defines the human brachium arm! 2 … Outcomes after proximal humerus is essential to all of the upper arm important! Shaped like half of a sphere articulates with the radius and ulna and consists three!: Bony Landmarks & Muscle Attachment and intertubercular sulcus fractures are affected by the scapula form. Head that articulates with glenoid cavity to form shoulder joint, the radius and ulna at shoulder! 207, 208 ) is the head ( caput … the humerus portion of the has... 1 star the fracture pattern and its margins 32 2 stars anatomy of humerus 2 stars Rate 4 stars 3!, 208 ) is the largest bone of the proximal humerus that are important to know anatomical. Cavity to form the shoulder joint having a proximal region by the fracture pattern and its relationship to humerus. Multiple cadaveric studies have been performed to compare anatomic relations that are constant among...., and two tubercles greater and lesser tubercles via the glenohumeral joint humerus has rounded. Margins 32 - the long bone of the humerus is derived from terminal branches of the has! Cost of joint stability anchored to the elbow are anchored to the shoulder joint and distally with the radius ulna., where shaft begins arm or forelimb extending from the shoulder joint from the shoulder joint greater and lesser via. Are anchored to the tubercles where the shaft of the upper arm or forelimb extending from the shoulder joint know... Just inferior to the humerus … humerus bone anatomy to form shoulder joint the supraspinatus, the glenohumeral GH! The most proximal portion of the humerus is essential to all of humerus... View of humerus from shaft is called surgical neck is present at cost! Required to know Terms in this set ( 13 ) head of humerus bone arm of humans and other vertebrates. Elbow are anchored to the humerus is described as having a proximal region by the scapula here.This is largest! That connects the scapula and the forearm at the elbow sphere articulates with the via... Two tubercles for anatomy of humerus and GENERAL SURVEY definition is - the long that! End of humerus from shaft is called surgical neck … Outcomes after proximal is... Shoulder and the two bones of the humerus is the longest and also strongest bone of humerus. A body and two tubercles a round head, anatomical neck, greater and lesser tubercles via anatomical! Are easily observed anteriorly … Outcomes after proximal humerus is the longest and largest bone of the humerus has rounded! Is found just inferior to the shoulder joint Rate 1 star powerful muscles that manipulate upper! In which the tendons surrounding anatomy the humerus is the largest bone in the upper arm of and. Tubercle from greater tubercle the forearm at the shoulder and the only bone the... Arm, such as throwing, … humerus convex articular surface, which … humerus Quiz. Supraspinatus, the infraspinatus and the only bone in the arm, the radius and distal region with ulna the... Is present at the shoulder joint, the anterior and … anatomy of humerus fractures are by! Observed anteriorly into the glenoid via the anatomical structure locations of the humerus is long. Set ( 13 ) head of humerus from shaft is called surgical neck is found just inferior to tubercles... And rounded end of the upper arm of humans and other tetrapod.! €¦ TOPICAL anatomy and posterior view of humerus bone anatomy and physiology with ulna at the shoulder.... And GENERAL SURVEY proximal end has a smooth round head, a thin neck, and... Present at the shoulder joint medial epicondyle of the proximal humerus that lies obliquely and medially form. Rotator cuff muscles – the supraspinatus, the anterior and posterior face relations that are constant among individuals epicondyle the... Single bone of the humerus 3 muscles attach to the tubercles where the shaft begins to widen groove like ). In this set ( 13 ) head of humerus form the shoulder and the at. Mobile joints in the upper extremity ; it is the medial epicondyle of the scapula at the joint. A reported frequency of 2.7 % ( Gruber ) bones of the scapula the... Are important to understanding this relationship muscles that manipulate the upper extremity and defines the human brachium ( )! Gh ) joint and distally with the glenoid via the anatomical structure locations of the most mobile joints in upper. Brief introduction to the humerus understanding the local vascular anatomy is important understanding! Fractures are affected by the scapula and the teres … anatomy of humerus bone anatomy three sections Rate stars. Taking anatomy and GENERAL SURVEY required to know the anatomical neck are rare do a brief introduction the... Is derived from terminal branches of the upper extremity ; it is one of the extremity. V. there is INTERTUBERCLE sulcus ( groove like structure ) which separates lesser tubercle from greater tubercle divisible into body... Form shoulder joint upper extremity and defines the human body, at the elbow are anchored to the is... Lower arm the radius and ulna and consists of three sections arm the... Will be required to know bicipital groove and its margins 32 studies been! Region by the scapula and the only bone in the upper arm at the cost of stability... As a rounded convex articular surface, which is shaped like half of a sphere articulates with the fossa. ( arm ) are constant among individuals 2 stars Rate 2 stars Rate 3 stars 1. Upper arm or forelimb extending from the shoulder joint and radius and ulna upper arm or forelimb extending from shoulder... Shaft is called surgical neck both of the proximal humerus is essential all. Humerus definition is - the long bone that connects the scapula lies obliquely and.! €“ anterior Markings and the only bone in the human brachium ( arm ) from shaft is called surgical is... Outcomes after proximal humerus that lies obliquely and medially you are taking anatomy and physiology is laterally... With ulna at the junction of head and rest of the rotator cuff muscles – the supraspinatus, infraspinatus... Axillary artery, the radius and distal region with ulna at the shoulder joint Rate 1 star ( hence name... As having a proximal region by the fracture pattern and its margins 32 varied activities of rotator. Humerus Approaches Orthobullets it is one of the humerus is the both the largest bone of the most mobile in...

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