title: Motor performance of children with Down syndrome and typical development at 2 to 4 and 26 months.
abstract: OBJECTIVE
  To compare gross motor performance of children with Down syndrome (DS) and typical development (TD) at 2 to 4 months (Phase I) and at 2 years of age (Phase II) and to investigate the relation between early motor performance and later outcome.
  
  
  METHODS
  Seventeen infants (10 with TD and 7 with DS) were assessed in Phase I using the Test of Infant Motor Performance (TIMP); 25 children were assessed in Phase II using the gross motor scale of the Bayley Scales of Infant and Toddler Development (Bayley-III); 10 participants were enrolled in both phases.
  
  
  RESULTS
  TIMP and Bayley-III scores were lower in the DS group. In both groups, TIMP z scores were predictive of Bayley-III scores.
  
  
  CONCLUSIONS
  Children with DS show difficulties in early postural control and activities requiring speed, postural control, and balance. The finding that early performance relates to later outcome reinforces the relevance of early and task-specific intervention.
authors.affiliation: Department of Physical Therapy (Mss Cardoso and Martin dos Santos and Drs Campos and Rocha), Federal University of São Carlos, São Carlos-SP, Brazil; Physical Therapy/Human Movement Sciences Graduate Program (Dr Cabrera Santos), Methodist University of Piracicaba, Piracicaba-SP, Brazil.
authors.forename: Aline Christine das Neves
authors.initials: AC
authors.lastname: Cardoso
authors.forename: Ana Carolina de
authors.initials: AC
authors.lastname: Campos
authors.forename: Mariana Martins dos
authors.initials: MM
authors.lastname: Santos
authors.forename: Denise Castilho Cabrera
authors.initials: DC
authors.lastname: Santos
authors.forename: Nelci Adriana Cicuto Ferreira
authors.initials: NA
authors.lastname: Rocha
mesh_terms: D002657:Child Development; D002675:Child, Preschool; D004314:Down Syndrome / Q000503:physiopathology*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009048:Motor Skills / Q000502:physiology*; D026741:Physical Therapy Modalities; D004856:Postural Balance / Q000502:physiology*