A technique for determining femoral head containment during gait

George T. Rab, Marilynn Wyatt, David H. Sutherland, Sheldon R. Simon

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

Kinematic gait analysis was carried out on 42 hips, including normal joints and joints affected with Legg-Calvé-Perthes disease. Data were analyzed by a computer algorithm that calculated three-dimensional femoral head contact with the acetabulum (containment). Patients were studied in and out of various abduction orthoses. The three-dimensional containment of the hip is reproducibly altered by various devices; specifically, the Atlanta brace increases posterior coverage and slightly increases lateral coverage, and Petrie casts improve lateral and anterior coverage at the expense of posterior containment. This analysis allows modeling of osteotomies and enhances clinical assessment of actual changes in containment with bracing.

Original languageEnglish
Pages (from-to)8-12
Number of pages5
JournalJournal of Pediatric Orthopaedics
Volume5
Issue number1
DOIs
StatePublished - 1985
Externally publishedYes

Keywords

  • Containment
  • Gait analysis
  • Legg-Calvé-Perthes disease

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