Popliteus impingement after TKA may occur with well-sized prostheses. - Bonnin, Michel; Kok, Arnoud; Verstraete, Matthias; Hoof, Tom; Straten, Catherine; Saffarini, Mo; Victor, Jan; Bonnin, Michel P; de Kok, Arnoud; Van Hoof, Tom; Van der Straten, Catherine (Knee Surgery, Sports Traumatology, Arthroscopy, 2017)