Fig 1.
Photographs of the set before the 3D-scan of the intact ankle in 10° dorsiflexion (A), in 0° neutral position (B) and in 20° plantar flexion (C).
Fig 2.
3D-reconstruction, coronal plane: determination of the tibiofibular distance (a), the superior tibiotalar clear space in the center of the ankle joint (b) and the medial tibiotalar clear space (c).
Fig 3.
3D-reconstruction, transversal plane: determination of the anterior (d) and the posterior tibiofibular distance (e).
Fig 4.
3D-reconstruction, transversal plane: determination of the fibular rotation angle 10 mm above the tibial articular surface (f).
Fig 5.
3D-reconstruction, transversal plane: determination of the rotation angle of the fibula 4 mm below the talar articular surface (g).
Table 1.
Distances and angles of the mortise depending on ankle position.
Fig 6.
Intra- and interindividual mean values and standard deviations of the differences of the distances in the 0° neutral position.
TTD = tibiotalar distance; TFD = tibiofibular distance.
Fig 7.
Intra- and interindividual mean values and standard deviations of the differences of the angles in the 0° neutral position.
AFR = angle of fibular rotation.