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The distal radioulnar articulation [1] (also known as the distal radioulnar joint, [2] or inferior radioulnar joint [1] [3]) is a synovial pivot joint between the two bones in the forearm; the radius and ulna. It is one of two joints between the radius and ulna, the other being the proximal radioulnar articulation.
To control the forearm rotation the DRUJ acts in concert with the proximal radioulnar joint. The connection between the distal radius and the distal ulna, maintain the congruency of the DRUJ. This attachment is mainly created by the RULs of the TFCC. These ligaments support the joint through its arc of rotation. [7]
Extension of interphalangeal joint of thumb Drummer's wrist: 4 Extensor digitorum tendons. Extensor indicis tendon. Extension of the medial four digits Fourth compartment syndrome: 5 Extensor digiti minimi tendon: Positioned directly over the distal radioulnar joint
The articulation between the radius and the ulna at the elbow is known as the proximal radioulnar joint. Distally, it articulates with the ulna again at the distal radioulnar joint. It forms part of the wrist joint by articulating with the scaphoid at its lateral aspect and with the lunate at its medial aspect.
The sets currently available contain: scopes; probes; punches; graspers; joint shavers and electrocautery. [14] To get a clear view of the wrist a high quality camera with a small diameter between 2 and 3 mm is needed. This camera is attached to a fiberoptic light source and shows the image of the inside of the joint. Probes are used for ...
Stage III: the osteoarthritis is localized in the entire radioscaphoid joint with involvement of the capitolunate joint. Stage IV: the osteoarthritis is located in the entire radiocarpal joint and in the intercarpal joints. It also may involve the distal radio-ulnar joint (DRUJ).
Fractures of the styloid process of the ulna seldom require treatment when they occur in association with a distal radius fracture. The major exception is when the joint between these bones, the distal radioulnar joint (or DRUJ), is unstable. When the DRUJ is unstable, the ulnar styloid may require independent treatment.
The head of the radius has a cylindrical form, and on its upper surface is a shallow cup or fovea for articulation with the capitulum of the humerus.The circumference of the head is smooth; it is broad medially where it articulates with the radial notch of the ulna, narrow in the rest of its extent, which is embraced by the annular ligament.