Related Experiment Video
Updated: May 10, 2026

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy
Published on: July 2, 2021
Clinical diagnosis of femoroacetabular impingement
Jeffrey J Nepple1, Heidi Prather, Robert T Trousdale
1Department of Orthopedic Surgery, Washington University School of Medicine, St. Louis, MO, USA.
Abstract:
The diagnosis of femoroacetabular impingement (FAI) syndrome is made based on a combination of clinical symptoms, physical examination findings, and imaging studies. A detailed assessment of each of these components is important to differentiate FAI from other intra- and extra-articular hip disorders. Clinical and physical examination findings must be viewed collectively because no single pathognomonic finding exists for FAI. Nevertheless, common components of the history and physical examination do suggest a diagnosis of FAI.
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