AFO: Ankle-foot orthosis; CP: Cerebral palsy; CPUP: Cerebral palsy follow up programme and quality registry; GMFCS: Gross motor function classification system; ROM: Joint range of motion.

Background Ankle-foot orthosis (AFO) is the most frequently used type of orthosis in children with cerebral palsy (CP). AFOs are designed either to improve function or to prevent or treat muscle ...