Items tagged “elbow”
42 results found
Article
Bicipitoradial bursa
The bicipitoradial bursa is located between the distal biceps brachii tendon and the tuberosity of the radius. The bursa partially or completely wraps around the biceps tendon. It ensures frictionless motion between the biceps tendon and the proximal radius during pronation and supination of the...
Article
Patella cubiti
Patella cubiti, also known as os sesamoideum tricipitale is a very rare anomaly of the elbow, presenting as a sesamoid within the distal triceps brachii tendon. Its exact etiology is unknown with congenital, developmental and post-traumatic theories postulated 1.
Clinical presentation
May be ...
Article
Lateral collateral ligament complex of the elbow
The lateral collateral ligament complex or radial collateral ligament complex is a major lateral stabilizer of the elbow joint and resists varus stress.
Gross anatomy
The LCL is a Y-shaped ligamentous complex composed of three parts 1,2:
annular ligament
from sigmoid notch to supi...
Article
Ultrasound of the elbow
Ultrasound of the elbow allows high-resolution imaging of elbow anatomy while simultaneously allowing dynamic evaluation of the joint, tendons, and ligaments.
Approach
There are multiple possible approaches to imaging the elbow with ultrasound. A typical protocol is as follows 1:
Anterior elb...
Article
Arcade of Frohse
The arcade of Frohse (pronounced "\ˈfʁoːzə \") is also known as the supinator arch.
The arcade is formed by a fibrous band between the two heads of the supinator muscle. The deep branch of the radial nerve passes beneath the arcade accompanied by vessels known as the leash of Henry.
Radiograph...
Article
Snapping triceps syndrome
Snapping triceps syndrome is an uncommon cause of medial elbow pain. It occurs if the triceps insertion subluxates over the medial epicondyle during flexion and extension of the elbow, and two palpable "snaps" may be heard or felt during this motion. It may coexist with ulnar nerve dislocation.
...
Article
Ulnar nerve dislocation (at elbow)
Ulnar nerve dislocation (or it if occurs to lesser degree ulnar nerve subluxation) at the elbow is an uncommon cause of pain and paresthesia in the ulnar nerve distribution. It occurs if the ulnar nerve subluxes and then dislocates over the anterior aspect of the medial epicondyle during flexion...
Article
Elbow synovial fold syndrome
Elbow synovial fold syndrome refers to a condition where patients experience a cluster of symptoms due to the presence of synovial folds (also known as synovial fringe or plicae).
Epidemiology
It tends to be more common in athletic young adults. It is associated with certain sporting activitie...
Article
Elbow arthroplasty
Elbow arthroplasties are an increasingly common joint replacement, most often used for treatment of late stage rheumatoid arthritis, but which may also be used as a treatment for late stage osteoarthritis or complex fractures of the proximal radius, proximal ulna, or distal humerus.
total elbow...
Article
Riseborough and Radin classification of intercondylar fractures of the humerus
Riseborough and Radin classification of intercondylar fractures of the humerus can be used to classify this injury, which is the result of direct trauma to the olecranon as it is driven as a wedge between the humeral condyles. Four types of fractures can be identified:
type I: no displacement ...
Article
Elbow injection (disambiguation)
Elbow injection usually refers to an elbow joint injection, but especially to patients, it can be a term used referring to other procedures which include:
common extensor origin microtenotomy
common flexor origin microtenotomy
distal biceps tendon sheath injection
elbow joint inject...
Article
Lateral ulnar collateral ligament of the elbow
The lateral ulnar collateral ligament (LUCL) of the elbow is a primary stabilizer of the elbow joint to varus and external rotatory stress 1-6.
Gross anatomy
It is a part of the lateral (radial) collateral ligament complex and located at the posterolateral aspects of the elbow joint. It takes ...
Article
Elbow instability
Elbow instability refers to an excessive, usually painful, mobility in the elbow joint, most of the time as a result of a prior traumatic event or overuse and maybe also seen in patients with connective tissue disease 1,2.
Diagnosis
The diagnosis of elbow instability can be established with cl...
Article
Drop sign
The drop sign is referred to as an increased ulnohumeral distance (≥4 mm) on a lateral radiograph of the elbow after reduction of elbow dislocation and indicates instability 1-4.
History and etymology
The drop sign was first described in 2005 by Ralph W Coonrad (fl. 2020), an orthopedic surgeo...
Article
O'Driscoll classification of coronoid process fractures
The O'Driscoll classification system of coronoid process fractures distinguishes three types of coronoid process fractures of the ulna, and this classification system is useful when assessing further treatment options 1-4.
type I: transverse coronoid tip fractures, which affect one-third o...
Article
Common extensor origin of the elbow
The common extensor origin of the elbow classically refers to the common tendon of the following forearm extensor muscles, which form a common footprint at the lateral epicondyle 1,2:
extensor carpi radialis brevis (ECRB)
extensor digitorum communis (EDC)
extensor digiti minimi (EDM)
extenso...
Article
Common flexor origin of the elbow
The common flexor origin of the elbow refers to a common attachment of the following flexor-pronator muscles at the medial epicondyle of the distal humerus 1-3:
pronator teres (PT)
flexor digitorum superficialis (FDS)
flexor carpi ulnaris (FCU)
The flexor carpi radialis (FCR) and palmaris lo...
Article
Valgus instability of the elbow
Valgus instability of the elbow can develop as a result of ulnar collateral ligament injury either in the setting of chronic overuse or in the context of an acute or an acute-on-chronic injury.
Epidemiology
Valgus instability can be seen in athletes and less commonly in non-athletes.
Risk fac...
Article
Flexor-pronator mass injury
A flexor-pronator mass injury or common flexor-pronator muscle injury is a muscle injury most commonly a muscle tear or strain of flexor-pronator muscles of the elbow joint.
Epidemiology
A flexor-pronator mass injury is an uncommon injury seen in athletes practising throwing sports. It can rar...
Article
Distal biceps tendon injury
Distal biceps tendon injuries refer to strains, partial and complete tears of the distal biceps tendon complex.
Epidemiology
Distal biceps tendon injuries are far less common than injuries to the proximal biceps tendon with an incidence of approximately 1.2/100000 1,2. They typically occur in ...
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