Olecranon process. Medical search. Frequent questions

The coronoid process stabilizes the humerus against the distal ulna. (medscape.com)
The olecranon articulates with the trochlea of the humerus. (medscape.com)
As the hand strikes the ground, muscles are tensed to break the fall, and the powerful triceps snaps the olecranon over the lower end of the humerus, which acts as a fulcrum. (medscape.com)
It is bent forward at the summit so as to present a prominent lip which is received into the olecranon fossa of the humerus in extension of the forearm. (theodora.com)
The semilunar notch is a large depression, formed by the olecranon and the coronoid process, and serving for articulation with the trochlea of the humerus. (theodora.com)
Posteriorly, you'll see that olecranon process of the ulna sits right in the olecranon fossa of the humerus. (ericcressey.com)
Together with the coronoid process, the olecranon forms the articular surface for articulation with the trochlea of the humerus. (boneandspine.com)
Medially, the trochlear part of the distal humerus articulates with the trochlear notch of the ulna formed by the olecranon process and coronoid process. (boneandspine.com)
Olecranon prevents anterior translation of the ulna with respect to the distal humerus. (boneandspine.com)
Tense triceps snaps the olecranon over the lower end of the humerus, which acts as a fulcrum. (boneandspine.com)
The lateral and medial heads originate from the humerus bone and also insert on the olecranon process. (musclemagfitness.com)

The posterior fat pad lies deep within the olecranon fossa and is flanked by bone on three sides. (appliedradiology.com)
The olecranon fossa, radiocapitellar joint, ulnotrochlear joint and the proximal radioulnar joint are intracapsular. (appliedradiology.com)
The goal of closed reduction is to lock the anconeal process into the olecranon fossa and use it as a fulcrum to reduce the elbow. (cliniciansbrief.com)
The elbow is flexed ≥90° and the antebrachium pronated and abducted to push the anconeal process over the lateral epicondylar crest into the fossa. (cliniciansbrief.com)
[ 3 ] In complete extension, the boney prominence on the upper end of the ulna, the olecranon, ensures stability by docking into the olecranon fossa. (medscape.com)

Olecranon fractures are a diverse group of injuries, ranging from simple nondisplaced fractures to complex fracture-dislocations of the elbow joint. (medscape.com)
Fracture displacement is largely due to the pull of the triceps, which tends to pull a separated fragment upward but is resisted by the strong fibrous covering on the olecranon. (medscape.com)
The most common mechanism of an olecranon fracture is a fall on the semiflexed supinated forearm. (medscape.com)
Plain film radiographs of the elbow should be performed to assess for a possible olecranon fracture if significant trauma occurred or if an avulsed osteophyte is present at the triceps insertion into the olecranon, which is fairly common. (medscape.com)
If there is a history of trauma, elbow pain during active or passive ROM may increase the clinician's suspicion of fracture of the olecranon process. (medscape.com)
Olecranon fracture of olecranon process fracture is a fracture of the large curved eminence called the olecranon process that forms the point of the elbow. (boneandspine.com)
Olecranon fracture is a common fracture due to the subcutaneous position of olecranon on the point of the elbow. (boneandspine.com)
A fall on the elbow or direct blow to the elbow could also result in an olecranon fracture. (boneandspine.com)
The post-fall condition shows an acute, nondisplaced fracture of the olecranon process of the ulna. (anatomicaljustice.com)
Post-operatively, the olecranon fracture has been reduced, with a locking ulnar plate applied for fixation. (anatomicaljustice.com)

Olecranon process consists of bone of proximal ulna from base of coronoid process (down arrow) proximally. (medscape.com)
The Coronoid Process ( processus coronoideus ). (theodora.com)
The coronoid process is a triangular eminence projecting forward from the upper and front part of the ulna. (theodora.com)
Frequently, the Flexor pollicis longus arises from the lower part of the coronoid process by a rounded bundle of muscular fibers. (theodora.com)
About the middle of either side of this notch is an indentation, which contracts it somewhat, and indicates the junction of the olecranon and the coronoid process. (theodora.com)
The notch is concave from above downward, and divided into a medial and a lateral portion by a smooth ridge running from the summit of the olecranon to the tip of the coronoid process. (theodora.com)
The olecranon is uppermost posterior part of the ulna that contributes to the articular surface of ulna [trochlear groove or notch], anterior contribution being by the coronoid process . (boneandspine.com)
2 The capsule of the elbow joint attaches to the margins of the trochlea and capitellum, the coronoid process, and the neck of the radius. (appliedradiology.com)
[ 3 ] In maximal flexion, the coronoid process engages in the coronoid notch and accounts for stability. (medscape.com)

Olecranon bursitis , a relatively common condition, is inflammation of the subcutaneous synovial-lined sac of the bursa overlying the olecranon process at the proximal aspect of the ulna (see the images below). (medscape.com)
Olecranon bursitis, shown here with the elbow flexed. (medscape.com)
Olecranon bursitis seen with the elbow extended. (medscape.com)
Classically, olecranon bursitis presents as a clearly demarcated, often fluctuant posterior elbow swelling, appearing as a "goose egg" over the olecranon process. (medscape.com)
The use of ultrasonography has been shown to be extremely effective in the diagnosis of olecranon bursitis and other soft-tissue lesions in the olecranon area by rapidly demonstrating the presence of effusions, synovial proliferation, loose bodies, increased blood flow consistent with inflammation, tendonitis with calcifications, and other indications of bursitis. (medscape.com)
Generally, physical and occupational therapy are not needed for the treatment of olecranon bursitis. (medscape.com)
Oral nonsteroidal anti-inflammatory drugs (NSAIDs) can help to reduce the pain and inflammation of olecranon bursitis, but these products probably should be avoided if joint aspiration reveals a hemorrhagic bursitis. (medscape.com)
[ 10 ] Most cases of olecranon bursitis respond very well to a series of 1-2 joint aspirations (with or without corticosteroid injection) combined with additional treatment. (medscape.com)
Wessolossky M, Haran JP, Bagchi K. Paecilomyces lilacinus olecranon bursitis in an immunocompromised host: case report and review. (medscape.com)
Malkin J, Shrimpton A, Wiselka M, Barer MR, Duddridge M, Perera N. Olecranon bursitis secondary to Mycobacterium kansasii infection in a patient receiving infliximab for Behcet's disease. (medscape.com)
Senécal L, Leblanc M. Olecranon bursitis in chronic haemodialysis patients. (medscape.com)
Gregory T, Mir O, Medioni J, Augereau B, Oudard S. Olecranon bursitis in patients treated with sunitinib for renal cell carcinoma. (medscape.com)
MRI characteristics of olecranon bursitis. (medscape.com)
Aspiration of the olecranon bursa is done for diagnostic purposes (eg, to diagnose septic bursitis, gout). (msdmanuals.com)
Olecranon bursa aspiration is usually done for diagnosis (eg, to diagnose septic or crystal-induced bursitis). (msdmanuals.com)
Because the olecranon bursa is the most common site of septic bursitis, olecranon effusion should be sent to the laboratory for cell count and differential, crystal analysis, Gram stain, culture, and sensitivity tests. (msdmanuals.com)

Fractures of the olecranon are common and are usually detected easily but require careful treatment for an optimal result. (medscape.com)
Olecranon fractures can be complex injuries, presenting the physician with a wide array of surgical and nonsurgical therapeutic options. (medscape.com)
A successful functional outcome after olecranon fractures correlates directly with accuracy of anatomic joint reduction, restoration of mechanical stability that allows early motion, respect for the soft tissues, and maintenance of an intact extensor mechanism. (medscape.com)
Nondisplaced olecranon fractures with intact extensor mechanisms are generally treated nonoperatively. (medscape.com)
The method chosen for open treatment of olecranon fractures is also controversial. (medscape.com)
Future treatment of olecranon fractures may very well involve percutaneous fixation accompanied by arthroscopic assistance. (medscape.com)
Occasionally, the olecranon may be fractured by hyperextension injuries, such as those resulting in elbow dislocation in adults or supracondylar fractures in children. (medscape.com)
Fractures of the olecranon can occur and leave loose bodies in the joint that will prevent full elbow extension. (ericcressey.com)
Therefore, in olecranon fractures extension mechanism is affected. (boneandspine.com)
Hyperextension injuries of the elbow, and forceful throws are less common causes of olecranon fractures. (boneandspine.com)

If an infectious etiology is suspected (due to the presence of fever, erythema, previous puncture wounds, or cellulitis), the olecranon bursa should be aspirated and the fluid sent for culture, for a cell count (white blood cells [WBCs], red blood cells [RBCs]), and for Gram staining for bacteria. (medscape.com)
The olecranon bursa is a fluid filled pouch that is located directly on top of the olecranon process. (ucsd.edu)
Presentation and Anatomy: As a result of infection (via abrasion to overlying skin) or any other intensely inflammatory process (e.g. gout, rheumatoid arthritis), the bursa can become very inflamed. (ucsd.edu)
A fluid-filled sac (bursa), which serves to reduce friction, overlies the tip of the elbow (olecranon bursa). (medicinenet.com)
Degreef I, De Smet L. Complications following resection of the olecranon bursa. (medscape.com)
Ogilvie-Harris DJ, Gilbart M. Endoscopic bursal resection: the olecranon bursa and prepatellar bursa. (medscape.com)
Injection of corticosteroids into the olecranon bursa is typically avoided but may be done selectively (eg, in patients with recurrent and painful, large effusions). (msdmanuals.com)
The olecranon bursa lies immediately below the skin. (msdmanuals.com)
Corticosteroid injection is occasionally necessary in the olecranon bursa. (msdmanuals.com)
Injection of corticosteroids into the olecranon bursa is typically avoided but may. (msdmanuals.com)

The triceps inserts into the posterior third of the olecranon and proximal ulna. (medscape.com)
The periosteum of the olecranon blends with the triceps. (medscape.com)
And, not to be overlooked is the attachment site of the triceps (via a common tendon) and anconeus on the olecranon process. (ericcressey.com)
Ball of crap #3 can be found posteriorly, where the three heads of the triceps converge to attach on the olecranon process via a common tendon, with the much smaller anconeus running just lateral to the olecranon process. (ericcressey.com)
The long head of the triceps originates from the scapula and inserts on the olecranon process of the ulna bone. (musclemagfitness.com)

Schoinobates is convergent with the rodent genus Anomalurus in the presence of a styliform cartilage which articulates with the olecranon process. (umass.edu)

Presentation and Anatomy: The ulnar nerve runs in the groove between the medial epicondyle and olecranon process. (ucsd.edu)

Also like humans, they can fully extend their arms thanks to the reduced length of the bone just behind the elbow known as the olecranon process. (yahoo.com)
Olecranon is a part of the ulna bone and is the uppermost posterior aspect of the ulna. (boneandspine.com)

Background: Partial resection of the posteromedial aspect of the olecranon in the treatment of valgus extension impingement osteophytosis is a well-described technique. (elsevierpure.com)
Results: The strain in the anterior bundle of the medial collateral ligament was found to increase with increasing flexion angle, valgus torque, and olecranon resection beyond 3 mm. (elsevierpure.com)
Clinical Relevance: Resection of the olecranon beyond the posteromedial osteophytic margin increases the strain in the anterior bundle of the medial collateral ligament, with the potential for a consequent ligament rupture. (elsevierpure.com)

A short, unsigned editorial note in theJournal of Anatomy and Physiology for 1898 mentions aspecimen in the Cambridge Museum of a 27-month-old child'shumerus, bearing a supracondyloid process 3 mm. long, andwell ossiﬁed. (edu.au)

The olecranon is a large, thick, curved eminence, situated at the upper and back part of the ulna. (theodora.com)

The olecranon process is formed by the proximal aspect of the Ulna and is the bony prominence that forms the tip of the elbow. (ucsd.edu)
Tiedemann (1822) is regarded as the discoverer of the process.Otto (1839) established its homology with the bony bar thatcompletes the supracondyloid foramen in mammals. (edu.au)

Mangabeys and other monkeys are built more like quadrupedal animals such as cats and dogs, with deep pear-shaped shoulder sockets and elbows with a protruding olecranon process that make the joint resemble the letter L. (yahoo.com)
Methods: We used an electromagnetic tracking device to investigate the strain in the anterior bundle of the medial collateral ligament as a function of increasing applied torque and posteromedial resections of the olecranon in seven cadaveric elbows. (elsevierpure.com)

The anterior surface of the olecranon is covered with articular cartilage. (medscape.com)

Arm circumference is measured at the midpoint of the distance from the acromion process of the shoulder to the tip of the olecranon process of the elbow. (phenxtoolkit.org)
Also, keeping the olecranon in your palm, straighten the arm and bring it up slowly to your shoulder. (jumozy.com)

The ulna has a large olecranon process. (wikipedia.org)
On the medial side of the elbow, there's a large protuberance called the olecranon process that can be used following the same principle. (jumozy.com)

The next three chapters treat nutrient cycling processes of particular relevance to agroforestry: decomposition and nutrient release from biomass (Chapter 6), nutrient leaching (Chapter 7) and nutrient capture (Chapter 8). (forextrading-madeeasy.com)

To briefly review, we have the finger tips, finger pads, metacarpal phalangeal joints from the palmar as well as dorsal side, the palm, the pisiform at the wrist joint, the flat area of the ulna, and the olecranon process on the elbow. (jumozy.com)
Measure from olecranon process to 5th MP joint. (the-therapyconnection.com)

The ulna has a large olecranon process. (wikipedia.org)
Posterior olecranon process of ulna . (getbodysmart.com)
The medial head of the triceps brachii arises from inferior two thirds of humerus to insert, along with the other two heads of the triceps, on the olecranon of the ulna. (getbodysmart.com)
All three heads combine and insert on the olecranon process (elbow) of the ulna. (bodybuilding.com)
Specifically, the olecranon process of the ulna moves into the olecranon fossa of the humerus and the trochlea of the humerus is displaced over the coronoid process of the ulna. (physio-pedia.com)
The presence of an entolophid fossettid in the lower molars and the downturned olecranon process of the ulna were equivocal synapomorphies for this clade. (amnh.org)
Approximately 10% of fractures of the adult elbow involve the olecranon process of the proximal ulna and range from simple non-displaced fractures to complex fracture-dislocations of the elbow [ 1 ]. (biomedcentral.com)
The proximal ulna forms a 190 degree arc around the olecranon known as the trochlear notch [ 2 ]. (biomedcentral.com)
The ulna has a long, distinctly triangular olecranon, broadly rounded anterolateral process, prominent medial process, and a deeply concave trochlear notch. (ualberta.ca)
The specimen, represented in the annexed wood-cut (FIG. 636), shows the excised bones of the elbow, consisting of the head of the radius, the olecranon and coronoid processes, and one inch of the shaft of the ulna and two inches of the extremity of the humerus, all the structures being changed by caries and partially absorbed. (civilwardc.org)
The proximal end of the ulna contains 2 processes: the olecranon and the coronoid . (medscape.com)
The swelling happens just behind the olecranon process of the ulna. (sciatica.clinic)
The narrowest part of the upper extremity of the ulna is the Olecranon process . (ivyroses.com)
The ulna is very small except for the olecranon process, which forms part of the elbow. (graphdiagram.com)
The triceps fold was measured in the midline of the posterior part of the arm, over the triceps muscle, at the midpoint between the acromion and the lower level of the olecranon process of the ulna in the longitudinal direction 20 . (bvsalud.org)
The ulna and the coronoid form a cavity called the olecranon fossa. (ehealthhut.com)
The three heads converge into a single tendon, which attaches to the proximal portion of the olecranon process (the bony prominence of the elbow) located on the upper portion of the ulna [ R ]. (mynutritiontipsblog.com)

Buijze GA, Blankevoort L, Tuijthof GJ, Sierevelt IN, Kloen P. Biomechanical evaluation of fixation of comminuted olecranon fractures: one-third tubular versus locking compression plating. (medscape.com)
Buijze G, Kloen P. Clinical evaluation of locking compression plate fixation for comminuted olecranon fractures. (medscape.com)
Mayo classification type II and III and Schatzker-Schmeling classification type B and D describe an intermediate fragment of the trochlear notch which is frequently seen in comminuted olecranon fractures. (biomedcentral.com)

The lateral head of the triceps brachii, one of three heads of the muscle, originates from the humerus, superior to the radial groove to insert on the olecranon process. (getbodysmart.com)

Olecranon bursitis: a systematic overview. (medscape.com)
MRI characteristics of olecranon bursitis. (medscape.com)
Treatment of olecranon bursitis: a systematic review. (medscape.com)
Endoscopic Olecranon Bursal Resection for Olecranon Bursitis. (medscape.com)
Wessolossky M, Haran JP, Bagchi K. Paecilomyces lilacinus olecranon bursitis in an immunocompromised host: case report and review. (medscape.com)
Malkin J, Shrimpton A, Wiselka M, Barer MR, Duddridge M, Perera N. Olecranon bursitis secondary to Mycobacterium kansasii infection in a patient receiving infliximab for Behcet's disease. (medscape.com)
Senécal L, Leblanc M. Olecranon bursitis in chronic haemodialysis patients. (medscape.com)
Gregory T, Mir O, Medioni J, Augereau B, Oudard S. Olecranon bursitis in patients treated with sunitinib for renal cell carcinoma. (medscape.com)
Schermann H, Karakis I, Dolkart O, Maman E, Kadar A, Chechik O. Olecranon Bursitis in a Military Population: Epidemiology and Evidence for Prolonged Morbidity in Combat Recruits. (medscape.com)
Aspiration of the olecranon bursa is done for diagnostic purposes (eg, to diagnose septic bursitis, gout). (msdmanuals.com)
Olecranon bursa aspiration is usually done for diagnosis (eg, to diagnose septic or crystal-induced bursitis). (msdmanuals.com)
Because the olecranon bursa is the most common site of septic bursitis, olecranon effusion should be sent to the laboratory for cell count and differential, crystal analysis, Gram stain, culture, and sensitivity tests. (msdmanuals.com)
Indications Olecranon bursa injection is a useful diagnostic and therapeutic procedure for olecranon bursitis. (dieutridau.com)
Olecranon is a common bursitis type. (sciatica.clinic)

The acromion process provides muscle attachments for the upper limbs and chest and is continuous with the scapular spine , a ridge crossing the posterior scapu-lar surface and ending at the medial border. (pharmacy180.com)

Displaced fracture of olecranon was noted. (medscape.com)
Treatment of fracture of olecranon process by hay hook tractor. (nih.gov)

Arthrocentesis of the elbow is the process of puncturing the elbow joint with a needle to withdraw synovial fluid. (merckmanuals.com)
The coronoid process is a small, triangular-shaped bone located at the front of the elbow joint. (ehealthhut.com)
This process provides attachment points for several muscles that move the elbow joint. (ehealthhut.com)

Also identify the lateral epicondyle and the olecranon process. (merckmanuals.com)
process and the lateral epicondyle. (medscape.com)
Visualize the line connecting the lateral epicondyle and the If the electrode is too lateral, it will be in and Longus radial styloid process. (medscape.com)

Injection of corticosteroids into the olecranon bursa is typically avoided but may be done selectively (eg, in patients with recurrent and painful, large effusions). (msdmanuals.com)
The olecranon bursa lies immediately below the skin. (msdmanuals.com)
Corticosteroid injection is occasionally necessary in the olecranon bursa. (msdmanuals.com)
Injection of corticosteroids into the olecranon bursa is typically avoided but may. (msdmanuals.com)

The olecranon process is posteriorly smooth at the site of attachment of the triceps tendon. (medscape.com)

Phadnis JS, Vaughan A, Luokkala T, Peters J, Watson JJ, Watts A. Comparison of all suture fixation with tension band wiring and plate fixation of the olecranon. (medscape.com)

Slightly inferior to it on the opposite side sits the insertion of the brachioradialis muscle, which is just above the styloid process - an extrusion of the suprastyloid crest. (rxharun.com)
The purpose of the study was to examine the arthrotic bone deformation at the roof of the anconeal process and the insertion of the olecranon ligament. (fu-berlin.de)

The capsule anteriorly extends from its attachment sites above the distal humeral fossae to its distal attachment to the coronoid process and annular ligament. (medscape.com)

This process provides attachment for several muscles that move the forearm and hand. (ehealthhut.com)

However, when five species of typotheres from three "families" were added to the analysis, the "notohippid" Eurygenium was identified as the nearest outgroup of leontiniids and an "advanced notohippid" plus toxodontid clade (nodes C + F). Unequivocal synapomorphies uniting these two nodes were robust calcanonavicular articulation ("reverse alternating tarsus" as evidenced by a distinct navicular facet on the calcaneum) and a distal radius with a styloid process. (amnh.org)
extends from the lower part of the tuberosity above to the anterior part of the base of the styloid process below, and separates the volar from the lateral surface. (rxharun.com)

At its inferomedial aspect, the capsule attaches to the upper and lateral margins of the olecranon. (medscape.com)

Specific complications occur giving late wrist cheap minoxal forte in an easy conclusion to diagnostic process. (miaseilern.com)

Erturer RE, Sever C, Sonmez MM, Ozcelik IB, Akman S, Ozturk I. Results of open reduction and plate osteosynthesis in comminuted fracture of the olecranon. (medscape.com)

The short head originates from the coracoid process of the scapula. (bodybuilding.com)
The coracoid process provides similar attachments and projects from the superior scapular border. (pharmacy180.com)

Although the intermediate fragment is known to be critical for reconstruction and stabilization of the olecranon structure its importance is not reflected in established classifications. (biomedcentral.com)

MRI may be necessary to diagnose an olecranon stress fracture that may not be seen on plain radiographs. (medscape.com)

80 patients operated with diagnosis of complex olecranon fracture were identified in an 8-year-period from trauma unit files at two European Level 1 Trauma Centers. (biomedcentral.com)

If the condition is caught early enough, though, it is sometimes possible to repair the underlying problem - for example, by cutting the radius to lengthen it, or severing certain tendons to reduce pressure on the medial coronoid process. (vethelpdirect.com)

Consequently, this latter part is associated with a surface on the lateral side of the olecranon which is only utilised in complete extension. (co.ma)

The soft tissue of the point of the elbow, or olecranon process, will slowly begin to break down over time. (vetrxdirect.com)

Anatomy5

Diseases3

Analytical, Diagnostic and Therapeutic Techniques and Equipment3

Humerus11

Fossa5

Fracture10

Coronoid9

Bursitis16

Fractures10

Bursa10

Triceps5

Articulates1

Ulnar1

Bone2

Resection3

Anatomy1

Eminence1

Bony2

Elbows2

Anterior surface1

Shoulder2

Large2

Relevance1

Joint2

Ulna17

Comminuted olecranon fractures3

Insert on the olecranon process1

Bursitis14

Posterior1

Fracture of olecranon2

Elbow joint3

Lateral epicondyle3

Bursa4

Triceps1

Fixation1

Insertion2

Humeral1

Attachment1

Styloid2

Attaches1

Diagnostic1

Osteosynthesis1

Coracoid process2

Intermediate1

Diagnose1

Diagnosis1

Tendons1

Extension1

Point1