Fig. 2From: Experimental validation of a new technique for the assessment of posterior tibial translation (ABC angle) after posterior cruciate ligament ruptureA set of control lateral radiographic images of the knee were made by fluoroscopy with the cadaver knee in 0°, 45° and 90° flexion. Radiographic image of the knee in extension with posterior stress. (Point A: Center of first circle (defining the knee’s center of rotation), Point B: Posterior end of the second circle’s diameter, Point C: Anterior end of the second circle’s diameter)Back to article page