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. 1999 Dec;23(5):275–278. doi: 10.1007/s002640050370

Abductor weakness and stresses around acetabular components of total hip arthroplasty: a finite element analysis

A G Sutherland 1, S D’Arcy 2, D Smart 2, G P Ashcroft 3
PMCID: PMC3619762  PMID: 10653293

Abstract 

Abductor weakness, and the resulting Trendelenburg gait, after total hip arthroplasty is believed to be associated with a poor long-term outcome. We have constructed a two-dimensional finite element analysis using load cases to mimic this abductor weakness. The finite element analysis demonstrates slightly increased stresses, particularly at the bone-cement interface in the DeLee-Charnley zone I, which does not seem sufficient to explain the adverse effect of abductor weakness.

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Footnotes

Accepted: 24 August 1999


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