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Updated: Jul 14, 2026

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In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy
Published on: July 2, 2021
[Femoro-acetabular impingement]
M Wettstein1, P-Y Zambelli, N Theumann
1Service d'orthopédie et de traumatologie de l'appareil moteur, CHUV et Hôpital orthopédique.
Revue Medicale Suisse
|May 23, 2007
Summary
Femur-acetabular impingement (FAI) causes early hip osteoarthritis due to abnormal hip morphology. Early diagnosis and treatment, including surgery if conservative methods fail, can improve hip joint prognosis and prevent chondral lesions.
Area of Science:
- Orthopedics
- Radiology
- Sports Medicine
Background:
- Femur-acetabular impingement (FAI) is an emerging cause of premature hip osteoarthritis.
- FAI results from morphological abnormalities in the acetabular rim or proximal femur.
- These abnormalities lead to abnormal contact between hip joint articular surfaces.
Purpose of the Study:
- To review the diagnosis and treatment of femur-acetabular impingement.
- To highlight the link between FAI morphology and hip joint damage.
- To emphasize the importance of early intervention for FAI.
Main Methods:
- Diagnosis relies on patient history and clinical examination.
- Radiological imaging is crucial for identifying the specific morphological cause of impingement.
- Treatment strategies range from conservative management to surgical intervention.
Main Results:
- The location of abnormal morphology dictates the type of FAI and subsequent articular damage.
- FAI significantly increases the risk of chondral lesions in the hip joint.
- Early treatment is essential for improving the hip joint's prognosis.
Conclusions:
- Early diagnosis of FAI through clinical and radiological assessment is key.
- Prompt treatment, including surgical options when conservative measures fail, is recommended.
- Timely intervention can mitigate the progression of osteoarthritis and preserve hip joint function.
