The control of posture during stance has traditionally been divided into two categories: (1)
steady-state balance control, involving postural alignment of body segments and
characteristics of body sway when standing quietly, and (2) postural adjustments to
externally and internally triggered perturbations. This includes both reactive responses to
unexpected trips or slips and anticipatory postural adjustments before a voluntary
movement. In the following sections we discuss balance control in children with CP based