Research Article
Comparison of Valgus Correction Angle between Patients with Developmental Dysplasia Hip and Normal Volunteers Measured by Three-Dimensional Reconstruction and X-Ray
Figure 3
The upper VCA and the lower VCA on X-ray. Line a: femoral mechanical axis. Line b: femoral anatomical axis. Line c: distal femur anatomical axis. ∠α: the upper VCA. ∠β: the lower VCA.