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The purpose of this study was to evaluate the scientific potential of floor pedobarography to understand balance control mechanisms in dynamic sport activities. One participant underwent single-footed balance conditions of static standing, standing on medio-lateral sinewave perturbed surface (6 degrees roll, 0.5 Hz) and standing on medio-lateral suddenly perturbed surface (3 degrees roll either side), each in barefoot, standing on shoe sole and shod footwear conditions. The effects of balance and footwear conditions were evaluated from floor pedobarographic recordings (RSScan International, 100 Hz) using statistical parametric mapping, a label-free technique. Statistical significance was assessed using random field theory. Despite being smaller than expected, shifts in peak pressure patterns between footwear conditions indicated across balance conditions an increased balance control through heel motion in the shod condition; peak medial (p=0.014) and lateral (p<0.001) heel pressures were greater in shod than non-shod tasks. Loading and unloading rates were greater during dynamic balancing in all footwear conditions, especially along the medial (p<0.001) and lateral mid-/forefoot (p<0.001). Effects of footwear and balance conditions demonstrated strategic differences in balance control. Such findings indicate some potential of floor pedobarography in the growing scientific interest to understand balance control in dynamic sports activities.
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