Fig. 1From: In Vivo three-dimensional kinematics of normal knees during sitting sideways on the floorSitting sideways under fluoroscopy. A Evaluation of the ipsilateral knee. B Fluoroscopic image after 2D/3D registration (ipsilateral knee). C Axial view after 2D/3D registration (ipsilateral knee). D Evaluation of the contralateral knee. E Fluoroscopic image after 2D/3D registration (contralateral knee). F Axial view after 2D/3D registration (contralateral knee)Back to article page