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Influence of Walking Speed and Severity of Knee Osteoarthritis on Medial Compartment Loading

[+] Author Affiliations
Joseph Zeni, Jr., Jill Higginson

University of Delaware, Newark, DE

Paper No. SBC2007-176414, pp. 17-18; 2 pages
doi:10.1115/SBC2007-176414
From:
  • ASME 2007 Summer Bioengineering Conference
  • ASME 2007 Summer Bioengineering Conference
  • Keystone, Colorado, USA, June 20–24, 2007
  • Conference Sponsors: Bioengineering Division
  • ISBN: 0-7918-4798-5
  • Copyright © 2007 by ASME

abstract

Progression of knee osteoarthritis (OA) has been shown to occur in the presence of an increased load at the medial compartment [1]. Current gait analysis techniques allow researchers to use inverse dynamic techniques to calculate external knee adduction moments. These moments correlate to varus knee stresses and increased load in the medial knee compartment. These abnormal stresses have been hypothesized to play a role in the destruction of articular cartilage [2]. Previous authors have suggested that walking velocity will affect the adduction moment and that decreasing walking speed may reduce the maximal knee external moment during gait [3]. Based on these previous findings, we investigated various walking speeds in subjects with mild, moderate and severe OA and the effect on the external knee adduction moment.

Copyright © 2007 by ASME
Topics: Knee , Osteoarthritis

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