Idiopathic Bilateral Gluteus Maximus Contracture in Adolescent Female: A Case Report

Abstract

Introduction: Bilateral gluteus muscle contracture is a rare entity. "Idiopathic contracture of gluteus maximus" a term proposed by Gao is a rare condition. It present as typical complain of inability to squat with patient assuming a typical frog leg position.

Case report: We report a case of idiopathic gluteal muscle contracture in adolescent female presenting with inability to squat, sit cross legged and painless awkward gait. The patient could not sit comfortably except in a high chair position. No history of repeated intramuscular injections in the buttocks or signs suggestive of post-polio residual paralysis. All her investigations were within normal limit. Our patient belonged to type III according to GMC classification and underwent surgical release of fibrotic band of gluteal maximus muscle. Patient had remarkable recovery with patient able to squat and sit cross-legged within 4 weeks of surgery.

Conclusion: Gluteal maximus contracture, though rare, present with characteristic clinical symptom and should not be missed. Our patient though presented late showed excellent result after surgical release.

Keywords: Idiopathaic; bilateral; contracture; gluteus maximus.

Figure 1

Preoperative clinical photograph of patient showing typical “frog leg position” on attempted squatting

Figure 2

Postoperative photo showing patient being able to squat after bilateral gluteal release

Figure 3

Deep groove seen on posteromedial aspect of gluteus maximus muscle