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Table 2 Specimens distal radioulnar joint pronation and position ratio

From: Distal radioulnar joint stabilization with open foveal reinsertion versus tendon graft reconstruction: an experimental study using radiostereometry

Group With dc/pc-TFCC lesion   After surgical treatment  
Foveal TFCC reinsertion Adams TFCC reconstruction p Foveal TFCC reinsertion Adams TFCC reconstruction p
Number 5 5   5 5  
Pronated forearm
 Degrees pronation (°) 81 (68–93) 82 (72–91) 0.87 58 (44–73) 68 (49–88) 0.31
 DRUJ position ratio 0.63 (0.52–0.75) 0.72 (0.60–0.84) 0.21 0.60 (0.57–0.63) 0.77 (0.65–0.89) 0.005
Piano- key test
 Degrees pronation (°) 68 (61–76) 59 (53–65) 0.02 60 (44–76) 60 (45–69) 0.68
 DRUJ position ratio 0.51 (0.45–0.57) 0.48 (0.28–0.68) 0.72 0.60 (0.57–0.63) 0.61 (0.41–0.81) 0.87
  1. Degrees of forearm pronation and DRUJ position ratio before and after the Piano-key test in cadaverarms with combined dc- and pc-TFCC lesion and after surgical repair with foveal TFCC reinsertion or Adams TFCC reconstruction. Data are presented as means and (95% CI)
  2. DRUJ Distal radioulnar joint, dc distal component, pc proximal component, TFCC triangular fibrocartilage complex