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. Author manuscript; available in PMC: 2020 Feb 1.
Published in final edited form as: Gait Posture. 2018 Dec 24;68:461–465. doi: 10.1016/j.gaitpost.2018.12.031

Fig 1.

Fig 1.

A) knee joint motion captured using a dual fluoroscopic imaging system ; B) two-dimensional (2D) to 3D registration procedure of the subject-specific bone models and the fluoroscopic images; C) knee kinematics in six degree of freedom (6DOF), i.e., flexion-extension, adduction-abduction, internal-external rotation, anterior-posterior translation, medial-lateral translation, and superior-inferior translation.