Joint motion and surface contact area related to component position in total hip arthroplasty

R. P. Robinson, P. T. Simonian, I. M. Gradisar, R. P. Ching

Research output: Contribution to journalArticle

80 Scopus citations

Abstract

A three-dimensional computer model of a total hip replacement was used to examine the relationship between the position of the components, the range of motion and the prosthetic joint contact area. Horizontal acetabular positions with small amounts of acetabular and femoral anteversion provide the largest contact areas, but result in limited joint movement. These data will allow surgeons to select implant positions that will provide the largest possible joint contact area for a given joint range of motion although these are conflicting goals. In some component positions a truncated spherical prosthetic head resulted in smaller contact areas than a completely spherical head.

Original languageEnglish (US)
Pages (from-to)140-146
Number of pages7
JournalJournal of Bone and Joint Surgery - Series B
Volume79
Issue number1
DOIs
StatePublished - Jan 1 1997
Externally publishedYes

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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