New Technique for Anatomic Reconstruction of the Scapholunate Ligament with Tendon Graft and SwiveLock Anchor Fixation: A Biomechanical Cadaveric Study

DISCUSSION/CONCLUSIONS 8 matched wrist pairs, evaluated radiographically and assigned to Control / Reconstruction groups. Control: all but dorsal band of SL ligament resected. Reconstruction: all three portions SL-ligament divided then reconstructed. In both groups, the scaphoid and lunate were dissected out, pinned with 2 orthogonal K-wires in each bone, and potted in polymethylmethacrylate. A 5N pre-load was applied on load frame, followed by 200 cycles from 5-20N. Load to failure applied at 5mm/s. In initial testing, one control specimen failed during cycling and that pair was excluded from analysis. Data were analyzed using the nonparametric Wilcoxin Test. Accepted significance level of 0.05. MATERIALS AND METHODS