The PennHIP method is a novel way to assess, measure and interpret hip joint laxity. It consists of three separate radiographs: the distraction view, the compression view and the hip extended view.
It is the amount of displacement of the femoral head from the acetabulum during distraction radiography that has been termed “passive hip laxity” and that has been shown to be directly related to the probability that a hip will develop degenerative joint disease characteristic of hip dysplasia. Continue reading Intro to PennHip 2