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Navigated lower limb axis measurements: Influence of mechanical weight‐bearing simulation by Daniel Kendoff; Timothy N. Board; Musa Citak; Michael J. Gardner; Stefan Hankemeier; Sven Ostermeier; Christian Krettek; Tobias Hüfner is a Medicine article available to read on EtoBox.
What is Navigated lower limb axis measurements: Influence of mechanical weight‐bearing simulation about?
## Abstract Successful outcomes following high tibial osteotomy (HTO) require precise realignment of the mechanical axis of the lower extremity. The inability to accurately assess the weight‐bearing axis intraoperatively may account for inappropriate degrees of correction with the osteotomy. We tested the hypothesis that axial loading of the limb affects alignment during an HTO procedure. A custom mechanical load apparatus was developed to simulate weight‐bearing conditions intraoperatively. Fixation to the trunk was achieved by supraacetabular pins and an external fixation device, which allowed the pelvis to be rigidly fixed relative to the apparatus while axial load was applied to the foot. Ten fresh cadavers were used for testing. The baseline mechanical axis was determined by a navigation system. HTO was then performed, and varying degrees of valgus correction were obtained and stabilized. For each correction, one quarter, one half, or full body weight was applied axially to the foot, and the axis deviation was measured. Subsequently, the MCL was sequentially released to determine the effect of ligament incompetence. Prior to osteotomy, load application did not produce signific
Who reads Navigated lower limb axis measurements: Influence of mechanical weight‐bearing simulation?
It is typically read by researchers, students, and practitioners in Medicine.
- Author
- Daniel Kendoff; Timothy N. Board; Musa Citak; Michael J. Gardner; Stefan Hankemeier; Sven Ostermeier; Christian Krettek; Tobias Hüfner
- Publisher
- Elsevier Science; Wiley (John Wiley & Sons); Wiley-Blackwell; Wiley (ISSN 0736-0266)
- Published
- 2007
- Language
- EN
- Field
- Medicine (Health Sciences)