Why is DRUJ most stable in supination?

Why is DRUJ most stable in supination?

In pronation, the superficial dorsal and deep palmer fibers tighten to keep the DRUJ stable. In supination, the superficial palmer fibers and the deep dorsal fibers both tighten to provide stability.

What is the DRUJ?

The distal radioulnar joint (DRUJ) is part of the complex forearm articulation that includes proximal radioulnar joint (PRUJ), forearm bones, and interosseous membrane (IOM) allowing pronosupination. It is functionally and anatomically integrated with the ulnocarpal articulation of wrist.

What is DRUJ dislocation?

Isolated acute distal radioulnar joint (DRUJ) dislocation is a rare injury [1]. It is usually associated with fractures of either the radius or ulna. Sometimes it is part of a more complex injury like the Essex–Lopresti injury in which a fracture of the proximal radius and rupture of the interosseus membrane occurs.

What is a DRUJ?

What is DRUJ disease?

Distal radioulnar joint (DRUJ) arthritis is an inflammatory condition characterized by gradual wearing away of the cartilaginous surface of the radioulnar joint resulting in significant pain, swelling, stiffness, and interference in the functioning of the wrist and/or arm.

What are druj & TFCC injuries?

DRUJ & TFCC INJURIES  Frequently occur with distal radius fractures but must be considered independently.  common cause of pain and limited ROM after distal radius fractures.  often underappreciated and ignored. 4. Distal radioulnar joint injuries Acute injury Chronic instabilty or arthritis Isolated injuries along with fractures

Does the druj move synchronously with the radioulnar joint?

• During forearm motion, the DRUJ moves synchronously with the proximal radioulnar joint – any injury or deformity involving the radius or ulna can alter the function of both joints Courtesy of Thomas E. Trumble, MD http://www.youtube.com/watch?v=LG9gwWt4sTU

What does druj stand for?

2. DISTAL RADIOULNAR JOINT (DRUJ)  Part of the complex forearm articulation  Functionally and anatomically integrated with the ulnocarpal articulation of wrist.  Important joint in pronosupination and load transmission  Injuries often underappreciated and Ignored 3.

How to assess sigmoid notch fractures and DRUJ injuries?

COMPUTED TOMOGRAPHY  Useful to delineate sigmoid notch fractures and DRUJ injuries  Ligament injuries can be assessed indirectly by assessing the radioulnar articulation in various positions and also by loading views  Three-dimensional (3D) reconstructions are helpful in assessing spatial relationship between the radius and ulna 22.