Figure 3From: Radiolucent lines in low-contact-stress mobile-bearing total knee arthroplasty: a blinded and matched case control study Anterior-posterior X-ray of a left Low-contact-stress total knee prosthesis (with cemented tibia) in a patient with continuous moderate knee pain with tibial stress shielding in zones "1", "2", "3", and "4", according to the classification of Ewald et al. [20].Back to article page