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J Can Chiropr Assoc. 2016 Mar;60(1):47-56.

Extra-articular hip impingement: a narrative review of the literature.

Author information

1
Assistant Professor, Director Pre-Physical Therapy Program, Division of Kinesiology and Recreation, California State University Dominguez Hills.

Abstract

in English, French

There is growing subgroup of patients with poor outcomes after hip arthroscopy for intra-articular pathology suggesting unrecognized cause(s) of impingement may exist. Extra-articular hip impingement (EHI) is an emerging group of conditions that have been associated with intra-articular causes of impingement and may be an unrecognized source of pain. EHI is caused by abnormal contact between the extra-articular regions of the proximal femur and pelvis. This review discusses the most common forms for EHI including: central iliopsoas impingement, subspine impingement, ischiofemoral impingement, and greater trochanteric-pelvic impingement. The clinical presentation of each pathology will be discussed since EHI conditions share similar clinical features as the intra-articular pathology but also contain some unique characteristics.

KEYWORDS:

diagnosis; extra-articular; hip pain; impingement; review

PMID:
27069266
PMCID:
PMC4807686

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