Differences in intermittent postural control between normal-weight and obese children

Publication date: Available online 15 June 2016
Source:Gait & Posture
Author(s): Israel Villarrasa-Sapiña, Xavier García-Massó, Pilar Serra-Añó, Consolación Garcia-Lucerga, Luis-Millán Gonzalez, Empar Lurbe
AimThe main objective of this study was to determine differences in postural control between obese and non-obese children.MethodsThe study design was cross-sectional, prospective, between-subjects. Postural control variables were obtained from a group of obese children and a normal-weight control group under two different postural conditions: bipedal standing position with eyes open and bipedal standing with eyes closed. Variables were obtained for each balance condition using time domain and sway-density plot analysis of the center of pressure signals acquired by means of a force plate.ResultsPairwise comparisons revealed significant differences between obese and normal-weight children in mean velocity in antero-posterior and medio-lateral directions, ellipse area and mean distance with both eyes open and eyes closed. Normal-weight subjects obtained lower values in all these variables than obese subjects. Furthermore, there were differences between both groups in mean peaks with eyes open and in mean time with eyes closed.ConclusionAlterations were detected in the intermittent postural control in obese children. According to the results obtained, active anticipatory control produces higher center of pressure displacement responses in obese children and the periods during which balance is maintained by passive control and reflex mechanisms are of shorter duration.



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