Ischiofemoral impingement syndrome (IFI) is a source of extra-articular pain caused by narrowing between ischium and femur in native hips. Secondary compression of quadratus femoris muscle leads to edema, tears, and deep gluteal pain. IFI is more frequent in females, with evidence pointing to a combination of hip, spine, and pelvic biomechanics and morphology leading to abnormal osseous relationships. This article provides updated concepts regarding the diagnosis, biomechanics, imaging, and treatment strategies for IFI. Moreover, IFI is emphasized as a multifactorial native hip syndrome, in contrast to ischiofemoral narrowing from secondary causes such as surgery, trauma, or masses.
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| http://dx.doi.org/10.1016/j.mric.2024.06.005 | DOI Listing |
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Division of Musculoskeletal Imaging and Intervention, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA. Electronic address:
Ischiofemoral impingement syndrome (IFI) is a source of extra-articular pain caused by narrowing between ischium and femur in native hips. Secondary compression of quadratus femoris muscle leads to edema, tears, and deep gluteal pain. IFI is more frequent in females, with evidence pointing to a combination of hip, spine, and pelvic biomechanics and morphology leading to abnormal osseous relationships.
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