Fig. 2.
The femoral neck anteversion (FA) was the angle formed by the horizontal line (red line) and the tangential line (red line) connecting the point of centricity of the femoral head with the midpoint of the narrowest femoral neck
The femoral neck anteversion (FA) was the angle formed by the horizontal line (red line) and the tangential line (red line) connecting the point of centricity of the femoral head with the midpoint of the narrowest femoral neck