Stress radiography of the patello-femoral joint.

A new method has been devised to visualize the patello-femoral joint on axial radiographs under weight bearing conditions. Stress radiography of the patello-femoral joint is done with the patient standing and bearing weight on the knee to be examined. The technique is simple and the views obtained are easy to interpret. The method is equally applicable in non-weight bearing axial radiography of the patello-femoral joint.