1 Department of Orthopaedic Surgery, University of California San Diego (Dr. Berger); Department of Orthopaedics & Rehabilitation, Yale University, New Haven, CT (Drs. Milligan, Holder, and Rubin); Department of Orthopaedic Surgery, Medical College of Wisconsin, Milwaukee (Dr. Schwab).
The patient found it hard to climb stairs-and to complete a particular task when getting dressed. Difficulty with that task provided a useful diagnostic clue.