radial head

radial head

the most proximal aspect of the radius bone. This area is mobile within the anular ligament and allows pronation and supination of the forearm.
See also: elbow.

ra·di·al head

(rā'dē-ăl hed)
The most proximal aspect of the radius bone. This area is mobile within the anular ligament and allows pronation and supination of the forearm.
References in periodicals archive ?
The radial head prosthesis + instruments for lendingTask 6.
Anteroposterior and lateral radiographs of the right elbow showed an abnormal configuration of the capitulum, lateral epicondyle, and radial head as well as posterior inferior dislocation of the radial head (Figure 3).
MRI may provide added value due to the association of radial head fracture, capitellar fracture and ulnar collateral ligament rupture with triceps injuries (Figure 5).
The MRI indicated hyperintense, demarcated fluid around the radial head, neck, and distal humerus (Figure 3).
This results in posterolateral rotatory instability, where the radial head subluxes posteriorly off the capitellum.
As it can be observed from figure 4, horizontal head loss, radial head loss and entrance head loss are the most important components of total head loss.
Bell failed to comply with applicable standard of care in several respects, "including his failure to determine the correct size of the radial head prosthesis," and his failure "to establish the correct alignment" of the prosthesis in the treatment of Beswick.
Abstract: One hundred and twenty one cases of Monteggia fractures (68) and Monteggia fracture equivalent variant transolecranon fracture dislocations (53) in adults were reviewed to determine the frequency of Bado types and the occurrences of irreducible radial head dislocations.
When another man, Nigel Russell, intervened he was pushed down, and fell, fracturing a radial head bone in his arm.
Contract notice: Delivery kits for bone finger metacarpal bones, fractures of the distal end of the radius and radial head fractures, compression screws are blocked; kits for the treatment of fractures; kirschner wires.
Recurrent lateral elbow pain with mechanical symptoms on extension of the elbow with lateral subluxtion of the radial head are common presenting symptoms caused by tearing of the lateral collateral ligament complex (LCL), specifically the radial collateral ligament.
In a literature search of "elbow locking," there was only a single case report of unrecognized osteochondral radial head fracture reported as an unusual cause of locking.