Figure 1From: Immunohistological analysis of extracted anterior cruciate ligament graft impinged against posterior cruciate ligament Arthroscopic views showing ACL graft impingement against PCL. (A) Arthroscopic view through lateral portal showing "high noon" positioning of the femoral aperture. (B) Arthroscopic view through medial portal at the knee flexion showing PCL impingement the graft (red arrows).Back to article page