FEMORAL VERSION AND NECK SHAFT ANGLE

We measured femoral anteversion by the Kingsley-Olmsted method in 24 u npaired, dry femurs. When the head and neck of the same femurs were me asured by computed tomography (CT) scan, measurement was 5-degrees les s than the Kingsley-Olmsted method, whereas ultrasound of the head and neck was 5-degrees higher. An anterior flat plane was also defined to help measure anteversion in patients with a high neck shaft angle. Ph ysical and ultrasound measurement correlated well with the previous me asurement by the Kingsley-Olmsted method and CT scan of anteversion. A lthough measurement by CT scan and ultrasound are different their resu lts are both reproducible and measure the same parameters; however, ul trasound measurement yields a number approximately 10-degrees higher.