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Fig. 8B. —28-year-old man with extension loss after anterior cruciate ligament reconstruction. Drawing of coronal image at anterior outlet as seen in A. Width of intercondylar notch at articular margin (AM), at popliteus recess (PR), and at two-thirds height of notch was measured. Level of popliteal recess was determined from subsequent images. Notch height (H), notch angle (N), and lateral wall angle (L) were also measured.