Fig. 7From: Effects of a powered ankle-foot orthosis on perturbed standing balanceCoM kinematics, mean over all subjects. a Body sway angle in response to a small perturbation. b Body sway angle in response to a large perturbation. c Body sway velocity in response to a small perturbation. d Body sway velocity in response to a large perturbation. The grey boxes indicate the perturbation periodBack to article page