Fig. 2From: Unilateral premature osteoarthritis of the hip with excessive anteversion of the femoral neck developing in the early second decade: two surgical casesPlain 3D-CT. The anteversion angle of the femoral necks (left/right) was 45/35 degrees. The angle was measured at a point where a tangent on the posterior surface of the medial–lateral femoral condyle overlapped the posterior surface of the greater trochanter when viewing the femur from the cephalic side in the caudal directionBack to article page