Wrist arthrography consists of the intra-articular placement of ionic contrast, air, or air and contrast into the radiocarpal joint (RCJ), midcarpal (MCJ), and/or distal radioulnar (DRUJ ...
IREDs used for calculating hand grip aperture were placed on the side of the distal thumb and index finger ... and actions with both effectors required a ~180-degree rotation of the wrist.