Research Article

Kinematics and Mechanical Properties of Knees following Patellar Replacing and Patellar Retaining Total Knee Arthroplasty

Figure 5

Kinematics of the patellofemoral joint.
(a) Patellar flexion angle
(b) Patellar tilt angle
(c) Patellar internal rotation angle
(d) Patellar medial/lateral translation