Ischiofemoral Impingement

  • Juan Gómez-Hoyos
  • Hal D. Martin


Ischiofemoral impingement (IFI) is a recently characterized condition of an abnormal anatomic and functional relationship between the ischial tuberosity and the lesser trochanter. IFI has been associated with repetitive trauma during gait leading to quadratus femoris edema, sciatic nerve irritation, and hamstring tendonitis. Alterations in the ischiofemoral relationship can be due to anatomical variations such as femoral neck anteversion, coxa valga, or other conditions. IFI may result from acquired or iatrogenic problems such as malunited lesser trochanteric fractures or ischial fractures and highly anteverted femoral stems (after hip replacement). These anomalies lead to pathological ischiofemoral contact, which creates impact and shear forces during hip movements. The diagnosis of IFI is based on the typical clinical examination findings and imaging. Treatment of IFI begins with a physical therapy program and consideration for the correction of the anatomic abnormality when needed. Ischiofemoral space decompression can be achieved by performing a lesser trochanterplasty, an ischioplasty, or a combination of both. However, the natural evolution of IFI and the outcomes from long-term treatment demand a better understanding, especially in the asymptomatic individuals.


Ischiofemoral space Quadratus femoris space Quadratus femoris muscle Posterior hip pain Hamstring tendons Sciatic nerve 


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • Juan Gómez-Hoyos
    • 1
    • 2
    • 3
  • Hal D. Martin
    • 4
  1. 1.International Consultant, Hip Preservation Center / Baylor Scott and White Research InstituteBaylor University Medical CenterDallasUSA
  2. 2.Department of Orthopaedic Surgery - Health ProviderClínica Las Américas / Clínica del CampestreMedellinColombia
  3. 3.Professor - School of Medicine - Sports Medicine ProgramUniversidad de AntioquiaMedellínColombia
  4. 4.Medical and Research Director, Hip Preservation Center, Baylor University Medical CenterDallasUSA

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