Comparison of postural sway between healthy and Down syndrome children aged 7-12 years
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Abstract
Background: Postural control is considered as an important factor for the development in children. Children with Down syndrome characterized by an impaired postural control and caused a delay of motor development when compared to healthy children. Recently, the postural sway measured by the swaymeter is an easy method to use in clinic and community to measure postural stability.
Objective: To compare the postural sway variables between the children with Down syndrome and healthy children aged 7-12 years. In addition, this study compared the effect of visual disturbance to the postural sway in both groups.
Methods: There were 25 healthy children and 21 children with Down syndrome participated in this study. The postural sway variables including anteroposterior (AP), mediolateral (ML) and sway area which were measured by using the swaymeter in standing position with open and closed eyes for 30 seconds in each testing condition.
Results: Children with Down syndrome had significantly greater postural sway than healthy children. The postural sway was significant during eyes open in AP (p = 0.002), ML (p = 0.003) and sway area (p = 0.001). In eyes closed, p<0.001 among all the variables. Eyes closed caused a significant increase of postural sway in children with Down syndrome in AP, ML, and sway area (p = 0.001). However, there was no significant difference in healthy children.
Conclusion: Children with Down syndrome had impaired postural stability and had an increase of postural sway and rely on visual reliance more than healthy children.
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References
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