Effects of radial deformity on distal radioulnar joint mechanics.
biomechanical · Level V
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- Record sourced from PubMed, PMID 8515022.
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Abstract
A cadaver experiment was performed to study the effects of radial deformity on the kinematics of the distal radioulnar joint and the anatomic configuration of the triangular fibrocartilage. Radial shortening caused the greatest disturbance in kinematics and the most distortion of the triangular fibrocartilage. Decreased radial inclination and dorsal angulation caused intermediate changes. Dorsal displacement produced minimal changes. Radial deformity did not produce distal radioulnar joint dislocation. These results provide biomechanical evidence of an important relationship between radial malunion and persistent symptoms in the distal radioulnar joint.
Medical subject headings
- Radius
- Wrist Joint
Anatomy
- radius
- radius/ulna
- ulna
- wrist