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This study compared forward and backward gait between Parkinson's disease (PD) patients with poorer and better attention capabilities. PD and healthy control (HC) participants received a dual-stimuli attention task. The results were assessed using principal component analysis to quantify and rank attention capability. Accordingly, 22 PD and 42 HC subjects were equally divided into poorer (14 PD-P,...
Objective. The purpose is to investigate the effect of balance conditions and slippery perturbation on the position and velocity of the body's center of mass relative to the body's base of support.Design. Twenty-two young and healthful subjects were investigated while their walk was perturbed by a soap patch applied over a force plate. A safety harness was used to prevent the subject from falling...
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