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Fig. 2 | Journal of Orthopaedic Surgery and Research

Fig. 2

From: Radiographic results after plaster cast fixation for 10 days versus 1 month in reduced distal radius fractures: a prospective randomised study

Fig. 2

a Dorsal angulation was measured on the lateral view as the angle between a line connecting the anterior and posterior edge of the distal joint line of radius and a line perpendicular to the long axis of radius. Negative values denote volar angulation whilst positive values refer to dorsal angulation in relation to the line perpendicular to the long axis. The mean value of the uninjured contralateral wrists was −6.9°. b Radial angulation (or radial inclination) was measured on the anteroposterior view as the angle between a line connecting processus styloideus radii and the most ulnar part of the distal radius at the distal radioulnar joint (DRU joint) and a line perpendicular to the long axis of the radius. The mean value of the uninjured contralateral wrists was 21.3°. c Axial compression (or ulnar variance) was measured on the anteroposterior view as the distance between the distal joint line of the radius at the DRU joint and the most distal surface of the caput ulnae along the long axis of the radius. Negative values denote radius being longer than ulna, whilst positive values refer to radius being shorter than ulna. The mean value of the uninjured contralateral wrists was −1.3 mm

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