PMID: 11901382Mar 20, 2002Paper

Three-dimensional in vivo kinematics of the distal radioulnar joint in malunited distal radius fractures

The Journal of Hand Surgery
Douglas C MooreArnold-Peter C Weiss

Abstract

How malunion of the distal radius affects the kinematics of the distal radioulnar joint in vivo was evaluated. A novel computed tomography image-based technique was used to quantify radioulnar motion in both wrists of 9 patients who had unilateral malunited distal radius fractures. In the injured wrists dorsal angulation averaged 21 degrees +/- 6 degrees, radial inclination averaged 18 degrees +/- 5 degrees, and radial shortening averaged 21 +/- 3 mm. Clinically, the average range of motion of the injured wrists was 75 degrees +/- 25 degrees pronation and 73 degrees +/- 23 degrees supination. Kinematics of the radius during pronation and supination in the malunited forearms was indistinguishable from that in the uninjured forearms. In both the axis of rotation of the radius passed through the center of the ulnar head, although it shifted slightly ulnar and volar in supination and radial and dorsal during pronation. In contrast to previous in vitro biomechanical findings, there was no dorsovolar radial translation at the extremes of pronation or supination and no translation of the radius along the rotation axis. Soft tissues may play a larger role in limiting function than previously appreciated, and treatment may require corre...Continue Reading

Citations

Jan 31, 2007·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Joseph J CriscoScott W Wolfe
May 1, 2019·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Shingo AbeTsuyoshi Murase
Apr 15, 2021·The Journal of Hand Surgery·Abbas PeymaniSimon D Strackee
Jun 11, 2021·Journal of Wrist Surgery·Bardiya AkhbariJoseph J Crisco
Jul 12, 2005·Clinical Biomechanics·Ranjan GuptaThay Q Lee
Jul 26, 2005·Hand Clinics·Frances Sharpe, Milan Stevanovic
Jan 24, 2006·Journal of Biomechanics·James C CoburnJoseph J Crisco
Feb 6, 2007·Journal of Biomechanics·Douglas C MooreEvan L Leventhal
Sep 15, 2007·Journal of Biomechanics·Shian Chao TayRichard A Berger
Apr 1, 2008·The Orthopedic Clinics of North America·Chris D Bryce, April D Armstrong

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