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Influence of limb alignment on mediolateral loading in total knee replacement: in vivo measurements in five patients.

Authors
  • Halder, Andreas
  • Kutzner, Ines
  • Graichen, Friedmar
  • Heinlein, Bernd
  • Beier, Alexander
  • Bergmann, Georg
Type
Published Article
Journal
The Journal of Bone and Joint Surgery (American)
Publisher
Journal of Bone and Joint Surgery
Publication Date
Jun 06, 2012
Volume
94
Issue
11
Pages
1023–1029
Identifiers
DOI: 10.2106/JBJS.K.00927
PMID: 22637208
Source
Medline
License
Unknown

Abstract

Consistent with the results of previous studies, we found that the force transferred by the medial compartment was usually greater than that transferred by the lateral compartment. Concerning the design of total knee replacements, an asymmetric tibial component with a larger medial contact area could possibly reduce peak contact stress on the bone and improve fixation of the implant. Mediolateral load distribution was quantified and correlated with limb alignment, thereby permitting the effects of malalignment after total knee replacement to be estimated.

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