A modified Darrach procedure for treatment of the painful distal radioulnar joint
The fracture fragments were analysed and involvement of radiocarpal and distal radioulnar joints
were assessed and classified according to the Frykman's classification.
The stabilizing mechanism of the distal radioulnar joint
during pronation and supination.
Axial scans provide a good view of both the ulnotrochlear joint and the proximal radioulnar joint
Points Deformity Prominent ulnar styloid 1 Radial deviation 1-2 Dinner fork deformity 1-3 Maximum 6 Subjective No pain, no limitation of motion 0 Evaluation Occasional pain, some limitation of motion, 4 weakness, pain, limitation of motion, Activities restricted 6 Maximum 6 Range of Limitation of motion<20% 0 Motion Limitation of motion<50% 2 Limitation of motion>50% 6 Stiffness of wrist 6 Maximum 6 Complications None or minimal 0 Slight crepitation 1-2 Severe crepitation 3-4 Median nerve compression 1-3 Pulp-palm distance 1 cm 3 Pulp-palm distance > 2cm 5 Pain in distal radioulnar joint
1-3 Maximum 15 Excellent -- 0-2 Good -- 3-7 Fair -- 8-18 Poor -- 19-33 DISTRIBUTION OF 40 UNSTABLE DISTAL RADIUS FRACTURES ACCORDING TO FRYKMAN'S CLASSIFICATION Frykman type No.
It may cause pain, limitation of forearm motion, and decreased grip strength as a result of arthrosis of the radiocarpal and distal radioulnar joints
The most important function, however, is as a stabilizer of the distal radioulnar joint
The radial collateral ligament originates from the lateral epicondyle and terminates indistinguishably in the annular ligament, which stabilizes the proximal radioulnar joint
For management of patients with posttraumatic radiocapitellar or proximal radioulnar joint
dysfunction, interpositional arthroplasties using the anconeus muscle have been proposed.
Compromise to the rotational alignment leads to the impaired supination and pronation movements at radioulnar joints
Increases in the volumes of the tibias relative to the metatarsal joints and the radioulnar joints
of the four limbs were also observed (Figure 1).
When standing in this posture, to minimize medial rotation of the arms, instruct the client how to pronate the forearms at the radioulnar joints
instead of medially/internally rotating the arms at the glenohumeral joints (Figure 4).