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Femoroacetabular impingement: current concepts and controversies
Wudbhav N Sankar1, Travis H Matheney, Ira Zaltz
1Division of Orthopaedic Surgery, The Children's Hospital of Philadelphia, 2nd Floor Wood Building, 34th and Civic Center Boulevard, Philadelphia, PA 19104, USA.
The Orthopedic Clinics of North America
|October 8, 2013
Summary
Femoroacetabular impingement (FAI) is caused by abnormal hip joint mechanics, where the acetabulum and femur abnormally contact. This mechanical aberration leads to labral and cartilage damage, establishing a causal link.
Area of Science:
- Orthopedics
- Biomechanics
- Radiology
Background:
- Femoroacetabular impingement (FAI) is increasingly recognized as a cause of hip pain and damage.
- FAI is linked to abnormal anatomy of the hip joint, specifically the acetabulum and femur.
- The condition involves abnormal contact between the acetabular rim and the proximal femur.
Purpose of the Study:
- To define femoroacetabular impingement (FAI).
- To establish the causal relationship between hip joint mechanical aberrations and chondrolabral damage.
- To explore the role of specific morphologies and movements in FAI development.
Main Methods:
- Literature review on FAI and hip joint anatomy.
- Analysis of the relationship between anatomical variations and labral damage.
- Conceptual framework development for FAI etiology.
Main Results:
- FAI is characterized by abnormal mechanical contact between the acetabular rim and the upper femur.
- Acetabular reorientation can precipitate FAI and cause labral damage.
- Variations in femoral and acetabular anatomy are causally linked to chondrolabral damage.
Conclusions:
- FAI results from abnormal mechanical interactions within the hip joint.
- Specific hip joint morphologies and movements contribute to FAI.
- Understanding FAI mechanics is crucial for diagnosing and managing hip conditions.
