Hip dislocation and subluxation in cerebral palsy

John E. Lonstein, Karen Beck

Research output: Contribution to journalArticlepeer-review

165 Scopus citations

Abstract

Four hundred sixty-four patients with cerebral palsy were reviewed. They were placed in four function groups: Independent ambulators (n=76), dependent ambulators (n=43), independent sitters (n=41), and dependent sitters (n=304). The percentage of subluxated or dislocated hips increased from 7% for independent ambulators to 60% for dependent sitters. In the dependent sitters, a level pelvis or different degrees of pelvic obliquity did not correlate with whether the hip was located, subluxated, or dislocated. The subluxated or dislocated hip did not correlate with the high side or the amount of pelvic obliquity. Muscle imbalance around the hip and not the pelvic obliquity is the cause of the hip subluxation or dislocation.

Original languageEnglish (US)
Pages (from-to)521-526
Number of pages6
JournalJournal of Pediatric Orthopaedics
Volume6
Issue number5
DOIs
StatePublished - Jan 1 1986

Keywords

  • Cerebral palsy
  • Hip dislocation
  • Hip subluxation
  • Muscle imbalance
  • Pelvic obliquity
  • Windswept hips

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