Abstract
Relevance/Impact The control of human gait and the maintenance of balance depend upon the complex integration of visual, vestibular and somatosensory information. Dysfunction of any of these components can result in deficits in the body’s ability to maintain equilibrium of the centre of mass by counteracting the constant destabilising forces that challenge it. The role of vision in the control of balance is well documented. Vision can improve bipedal upright stability during standing and locomotion as part of the integrated sensory feedback system. Alternatively vision impairment has been demonstrated as reducing postural stability. Postural stability is traditionally evaluated by the motion associated with changes in Centre-of-Pressure (CoP) during quiet standing. CoP measures have been shown to high reliability and clinical relevance when assessing postural stability. However there are few studies that have assessed the effectiveness of these measures for dynamic stability.
Highlights
Aim The aim of this study was to present the effect of visual acuity impairment on dynamic balance using an in-shoe pressure measurement system
Postural stability is traditionally evaluated by the motion associated with changes in Centre-of-Pressure (CoP) during quiet standing
A two-tailed paired t-test analysis of the means demonstrated that impaired vision resulted in an increase in the variability of the CoP position (t=-3.6 P
Summary
From 2014 College of Podiatry Conference and Exhibition Bournemouth, UK. 13-15 November 2014. Aim The aim of this study was to present the effect of visual acuity impairment on dynamic balance using an in-shoe pressure measurement system. Relevance/Impact The control of human gait and the maintenance of balance depend upon the complex integration of visual, vestibular and somatosensory information. The role of vision in the control of balance is well documented. Vision can improve bipedal upright stability during standing and locomotion as part of the integrated sensory feedback system. Vision impairment has been demonstrated as reducing postural stability. Postural stability is traditionally evaluated by the motion associated with changes in Centre-of-Pressure (CoP) during quiet standing. CoP measures have been shown to high reliability and clinical relevance when assessing postural stability. There are few studies that have assessed the effectiveness of these measures for dynamic stability
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