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Gait changes with tibialis posterior dysfunction

Discussion in 'Gerontology' started by Hylton Menz, Jul 31, 2006.

  1. Hylton Menz

    Hylton Menz Guest


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    In press with Gait and Posture...

    Changes in gait associated with acute stage II posterior tibial tendon dysfunction
    S.I. Ringle, S.J. Kavros, B.R. Kotajarvi, D.K. Hansen, H.B. Kitaoka and K.R. Kaufman

    Abstract

    The purpose of this study was to examine differences in gait mechanics between patients with acute stage II PTTD and healthy volunteers. Hindfoot and midfoot kinematics, plantar foot pressures and electromyographic (EMG) activity of the posterior tibialis, gastrocnemius, anterior tibialis and the peroneals were measured in five patients with acute stage II PTTD. Kinematics and kinetics were compared to a database of 20 healthy volunteers. EMG and plantar pressure data were obtained from five healthy volunteers. Hindfoot moments and powers were also calculated. The center of pressure excursion index (CPEI) was calculated from the plantar pressures. Significant differences were observed between the two groups, which confirmed clinical observations. Limited hindfoot eversion and increased midfoot external rotation occurred during the first and third rockers. The EMG data suggested that tendon dysfunction in the posterior tibialis is associated with compensatory activity, not only in its antagonists (the peroneals), but also in the anterior tibialis and the gastrocnemius. These data suggest that non-operative treatment of patients with PTTD should consider minimizing the activity of the posterior tibialis as well as the peroneals, the anterior tibialis and the gastrocnemius.
     
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    Volume 27, Issue 2, February 2008, Pages 331-339

     
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  12. Chris Gracey

    Chris Gracey Active Member

    Exemplary, thank you.
     
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    Articles:
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    An in vivo study of hindfoot 3D kinetics in stage II posterior tibial tendon dysfunction (PTTD) flatfoot based on weight-bearing CT scan.
    Zhang Y, Xu J, Wang X, Huang J, Zhang C, Chen L, Wang C, Ma X.
    Bone Joint Res. 2013 Dec 9;2(12):255-263.
     
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    A kinematic and kinetic analysis of the hip and knee joints in patients with posterior tibialis tendon dysfunction; comparison with healthy age-matched controls
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