“…Many studies related to the biomechanical effect were performed in terms of anterior-posterior misalignment in femoral component (Kang, Koh, Son, Kwon, Lee and Kwon, 2017f;Kang, Koh, Son, Kwon, Lee and Kwon, 2018c;Kang, Kwon, Kwon, Lee and Koh, 2019b;Kang, Kwon, Son, Kwon, Lee and Koh, 2018g). Kang et al found that contact stress on the patellar button increased and decreased as posterior condylar offset moved between the anterior and posterior directions, respectively.…”