The management of ankle injuries has long been a stumbling block for orthopae dists in training. As a first year resident, I was fortunate to encounter the series of articles by N. Lauge-Hansen and T. Baek Kristensen that classified ankle injuries according to their mechanism. I found this information quite helpful throughout my residency and early years of practice. Several years ago, an attempt was made to summarize this material for the benefit of the orthopaedic house staff of Thomas Jefferson University. It quickly become obvious that such a "manual" would require a great deal of...