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In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy

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Ischiofemoral impingement.

G H Stafford¹, R N Villar

¹The Richard Villar Practice, Spire Cambridge Lea Hospital, 30 New Road, Impington, Cambridge CB24 9EL, UK. gstafford@doctors.org.uk

The Journal of Bone and Joint Surgery. British Volume

|October 5, 2011

Summary

This summary is machine-generated.

Ischiofemoral impingement, a hip pain cause, involves abnormal femur and ischium contact. This condition presents with gradual groin or buttock pain, often mistaken for other hip issues.

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Area of Science:

Orthopedics
Radiology
Sports Medicine

Background:

Femoroacetabular impingement is a recognized cause of hip pain.
Ischiofemoral impingement is an emerging condition involving abnormal contact between the femur's lesser trochanter and the ischium.
This condition can mimic other hip pathologies like iliopsoas tendonitis or bursitis.

Purpose of the Study:

To describe the characteristics of ischiofemoral impingement in the native hip joint.
To differentiate ischiofemoral impingement from other causes of hip pain.
To highlight diagnostic indicators and imaging findings.

Main Methods:

Review of clinical presentations and diagnostic imaging (MRI) of patients with suspected ischiofemoral impingement.
Correlation of patient symptoms with specific hip movements (extension, adduction, external rotation).
Distinguishing MRI findings of inflammation and edema in the ischiofemoral space and quadratus femoris muscle.

Main Results:

Ischiofemoral impingement presents with gradual onset groin and/or posterior buttock pain.
Pain is exacerbated by hip extension, adduction, and external rotation.
MRI reveals inflammation and edema in the ischiofemoral space and quadratus femoris, distinct from acute tears.

Conclusions:

Ischiofemoral impingement is a distinct cause of hip pain in the unreplaced joint.
Clinical examination and MRI are crucial for diagnosis.
Further research is needed to understand its prevalence and management in the native hip.