The impact of choice of norms on classification of motor impairment for children born very preterm

The Movement Assessment Battery for Children-Second Edition (Movement ABC-2) is widely used to assess children's motor function, yet there is a lack of normative data for many countries. To assess the extent to which the application of different population reference norms for the Movement ABC-2 affects the classification and prevalence of motor impairment. Data were obtained from two Portuguese regions participating in the Screening to Improve...