Objective The aims of this article are to review the imaging characteristics of ischiofemoral
impingement (IFI), summarize measurement thresholds for radiologic diagnosis based on a …

Purpose Extra-articular hip impingement can be the result of psoas impingement (PI),
subspine impingement (SSI), ischiofemoral impingement (IFI), and greater …

Ischiofemoral impingement (IFI) is a rare cause of hip pain defined by a narrowing of the
space between the lateral aspect of the os ischium and the lesser trochanter of the femur …

Context: Dance, gymnastics, figure skating, and competitive cheerleading require a high
degree of hip range of motion. Athletes who participate in these sports use their hips in a …

Ischiofemoral impingement syndrome (IFI) is an underrecognized form of atypical, extra-
articular hip impingement defined by hip pain related to narrowing of the space between the …

Ischiofemoral impingement (IFI) syndrome is defined by hip pain related to narrowing of the
space between the ischial tuberosity and lesser trochanter with abnormal morphology …

Purpose There has been relatively little information about the treatment for ischiofemoral
impingement (IFI) because of its rarity as well as the uncertainty of diagnosis. The aim of this …

Ischiofemoral impingement syndrome is an uncommon disorder defined by hip pain caused
by the narrowing of the space between the ischial tuberosity and lesser trochanter with …

In the last 20 years, femoroacetabular impingement has been at the forefront of clinical
practice as a cause of hip pain in young adults. As arthroscopic techniques for the hip …

Impingement of the lesser trochanter on the ischium or the posterior acetabular rim is not a
frequent pathology, but has recently received increased recognition. We have seen 14 …