The iliofemoral ligament (Y-ligament of Bigelow) is the strongest ligament in the body, running from the anterior inferior iliac spine to the intertrochanteric line as an inverted Y.
Primary restraint against hip extension and external rotation, prevents anterior hip dislocation, allows passive erect posture without muscular effort.
Contracture produces hip flexion deformity (Thomas test positive). Preserved in anterior THA for stability. Release required for high-grade spondylolisthesis hip flexion contracture correction.
Iliofemoral ligament contracture producing fixed hip flexion measured by Thomas test, requiring anterior capsular release.
Preservation of the iliofemoral Y-ligament during direct anterior hip arthroplasty maintaining anterior hip stability.
This website uses cookies to enhance your experience. Some are essential for site functionality, while others help us analyze and improve your usage experience. Please review your options and make your choice.
If you are under 16 years old, please ensure that you have received consent from your parent or guardian for any non-essential cookies.
Your privacy is important to us. You can adjust your cookie settings at any time. For more information about how we use data, please read our privacy policy. You may change your preferences at any time by clicking on the settings button below.
Note that if you choose to disable some types of cookies, it may impact your experience of the site and the services we are able to offer.
Some required resources have been blocked, which can affect third-party services and may cause the site to not function properly.
This website uses cookies to enhance your browsing experience and ensure the site functions properly. By continuing to use this site, you acknowledge and accept our use of cookies.
