This is a line joining the anterior superior iliac spine with the ischial tuberosity. If the tip of the greater trochanter is found to lie proximal to a tape joining these two points, some abnormality of the hip joint is inferred.
Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.