MSK NHS Ayrshire & Arran - Femoroacetabular impingement (FAI) syndrome is a motion-related clinical disorder of the hip involving premature contact between the acetabulum and the proximal femur. An estimated 85% of
![Diagnosis of acetabular retroversion: Three signs positive and increased retroversion index have higher specificity and higher diagnostic accuracy compared to isolated positive cross over sign - ScienceDirect Diagnosis of acetabular retroversion: Three signs positive and increased retroversion index have higher specificity and higher diagnostic accuracy compared to isolated positive cross over sign - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S2352047722000144-gr2b.jpg)
Diagnosis of acetabular retroversion: Three signs positive and increased retroversion index have higher specificity and higher diagnostic accuracy compared to isolated positive cross over sign - ScienceDirect
![Femoroacetabular Impingement Syndrome: An Underrecognized Cause of Hip Pain and Premature Osteoarthritis? | The Journal of Rheumatology Femoroacetabular Impingement Syndrome: An Underrecognized Cause of Hip Pain and Premature Osteoarthritis? | The Journal of Rheumatology](https://www.jrheum.org/content/jrheum/37/7/1395/F1.large.jpg)
Femoroacetabular Impingement Syndrome: An Underrecognized Cause of Hip Pain and Premature Osteoarthritis? | The Journal of Rheumatology
![Femoroacetabular Impingement (FAI) - a.k.a. Hip Impingement: Orthopedic Center for Sports Medicine: Sports Medicine Physicians Femoroacetabular Impingement (FAI) - a.k.a. Hip Impingement: Orthopedic Center for Sports Medicine: Sports Medicine Physicians](https://sa1s3optim.patientpop.com/assets/images/provider/photos/2345938.jpg)
Femoroacetabular Impingement (FAI) - a.k.a. Hip Impingement: Orthopedic Center for Sports Medicine: Sports Medicine Physicians
Femoral impingement in maximal hip flexion is anterior-inferior distal to the cam deformity in femoroacetabular impingement patients with femoral retroversion | Bone & Joint
![Location of Intra- and Extra-articular Hip Impingement Is Different in Patients With Pincer-Type and Mixed-Type Femoroacetabular Impingement Due to Acetabular Retroversion or Protrusio Acetabuli on 3D CT–Based Impingement Simulation - Till D. Location of Intra- and Extra-articular Hip Impingement Is Different in Patients With Pincer-Type and Mixed-Type Femoroacetabular Impingement Due to Acetabular Retroversion or Protrusio Acetabuli on 3D CT–Based Impingement Simulation - Till D.](https://journals.sagepub.com/cms/10.1177/0363546519897273/asset/images/large/10.1177_0363546519897273-fig5.jpeg)
Location of Intra- and Extra-articular Hip Impingement Is Different in Patients With Pincer-Type and Mixed-Type Femoroacetabular Impingement Due to Acetabular Retroversion or Protrusio Acetabuli on 3D CT–Based Impingement Simulation - Till D.
![Femoroacetabular Impingement (FAI) | Hip Impingement Specialist | Hip Pain | New York City, NY Manhattan Femoroacetabular Impingement (FAI) | Hip Impingement Specialist | Hip Pain | New York City, NY Manhattan](https://manhattansportsdoc.com/wp-content/uploads/2019/09/Hip-Impingment.jpg)