It is necessary for orthopedists to get accurate informations about anatomical appearance of a femur. Now, it is common to calculate the angle of anteversion and neckshaft angle of a femur from two directional X-ray films, anterior-posterior view and lateral view. But it is often difficult to get the correct lateral view when the involved hip has severe limited range of motion or the patient is a crying baby. So to resolve these problems, we devised a new method. We can get anterior-posterior and oblique view by changing the position of X-ray beam like figure 1-a. From these films, we could know the anatomy of the femur.
