Three-dimensional kinematic change of hindfoot during full weightbearing in standing: an analysis using upright computed tomography and 3D-3D surface registration

Table 3 Comparison of the methods to analyze the hind foot kinematics

Methods	Image quality	Image acquisition time	Matching algorithm	Weightbearing
Fluoroscopy and 2D-3D registration	2D	Several seconds	2D-3D/image calibration and optimization	Full
Cone beam CT	3D/motion artifact	20–48 s	3D-MPR/evaluate only in 2D plane	Full/partial
Conventional CT	3D	10–20 s	3D-3D/volume marge technique	Simulated
MRI	3D/motion artifact	120–180 s	3D-3D/marching cubes method	Full/partial
Upright CT and 3D-3D registration	3D	10–20 s	3D-3D/iterative closest point	Full

List of the methods to analyze the hind foot kinematics. There are differences in image dimension/quality, acquisition time, algorithm, and weightbearing condition

ISSN: 1749-799X