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Binesh M, Hamedi D, Taghizadeh G. The Effect of Weight Bearing Symmetry on Dynamic Postural Control During Bending and Reaching in Chronic Stroke Patients. Func Disabil J 2019; 2 (1) :133-141
URL: http://fdj.iums.ac.ir/article-1-121-en.html

Background: The majority of hemi-paretic stroke patients showed weight bearing asymmetry effects on postural control during bending and reaching tasks. The purSpose of this study was to investigate the effect improving weight bearing asymmetry using 5˚ and 7.5˚ lateral shoe wedges on dynamic postural control of chronic stroke patients during bending and reaching.
Methods: Seventeen hemi-paretic patients (10 female and 7 male, 11 left hemiparesis and 6 right hemiparesis), and weight bearing asymmetry more than 10% during standing participated in this study. Postural sway parameters were computed for six targets (2 distances and three directions) in four conditions of wedges: non- wedge, wedge 5˚, wedge 7.5˚ and last non wedge during bending and reaching tasks.
Results: There were no statistical differences between the effects of two types of lateral shoe wedges (5˚ and 7.5˚) on symmetry index and postural sway parameters. The main effects of target were significant for all body sway parameters but the main effects of wedges were only significant for sway path and velocity. Interaction effects of target by wedge were not significant for any of sway parameters.
Conclusion: Lateral shoe wedges have a positive effect on dynamic postural control of stroke patients. This method may be used to treat postural control deficits during bending and reaching tasks in stroke rehabilitation.