• Disease
  • Subjects Hemiparesis
  • Is It Correct To Always...
  • Title:

    Is It Correct to Always Consider Weight-Bearing Asymmetrically Distributed in Individuals With Hemiparesis?

    Authors: Emerson Fachin MartinsAbraão Souza CostaLidiane Teles de MenezesPedro Henrique Cortês de SousaPaulo Henrique Ferreira de Araujo Barbosa
    Year: 2011
    Times cited: 11

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    Is it correct to always consider weight-bearing asymmetrically distributed in individuals with hemiparesis?


    Injuries may cause unilateral deterioration of brain areas related to postural control resulting in lateralized motor disability with abnormal asymmetry in weight-bearing distribution. Although overloading toward the nonaffected limb has been described as the preferred posture among individuals with hemiparesis, characterization of the weight-bearing asymmetry is poorly and indirectly described. Therefore, this study aimed to describe weight-bearing distribution during upright stance, establishing criteria to consider asymmetry in hemiparesis when analyzed within the limits defined by controls matched by age and gender. Forty subjects with (n = 20) or without hemiparesis (n = 20) were included in procedures to record weight-bearing values between hemibodies, and these values were used to calculate a symmetry ratio. Control presented 95% confidence interval (CI) of the mean for symmetry ratio ranging from 0.888 to 1.072, defining limits to symmetry. Four subjects with hemiparesis (20%) had symmetry ratios inside limits defined by controls (i.e., weight-bearing symmetrically distributed), and 11 (55%) subjects without hemiparesis showed symmetry ratios outside the limits, suggesting asymmetrical weight-bearing distribution. It was concluded that asymmetry, when present in a control group, was more frequently overloading nonpredominantly used hemibody (nondominant side), differing from a hemiparesis group commonly forced to assume the nonaffected side as the predominantly used hemibody and where the overload was observed.

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