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Structured Observation of Motor Performance in Infants: Level and quality associated with later motor development

Cecilia Montgomery1, Ylva F Kaul1, Katarina Strand Brodd1,2

  • 1Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden.

Acta Paediatrica (Oslo, Norway : 1992)
|June 1, 2020
PubMed

Insights

Early motor assessments in infants can predict later development. Both the level and quality of motor skills in the first 10 months are linked to outcomes at 2.5 years, with quality becoming increasingly important.

Area of Science:

  • Developmental Pediatrics
  • Motor Development Research
  • Infant Health Studies

Background:

  • Early identification of motor delays in preterm infants is crucial for timely intervention.
  • The Structured Observation of Motor Performance in Infants (SOMP-I) assesses motor skills in early infancy.
  • The Bayley Scales of Infant Development-third edition (Bayley-III) is a standard measure of infant development.

Purpose of the Study:

  • To investigate the relationship between early motor development (level and quality) and later motor outcomes in very preterm infants.
  • To determine if early motor performance predicts motor index scores at 2.5 years corrected age.
  • To assess the predictive value of SOMP-I domains at different corrected ages (2, 4, 6, 10 months).

Main Methods:

  • A population-based cohort of 113 very preterm infants was studied.
  • Infants were assessed using SOMP-I at 2, 4, 6, and 10 months corrected age.
  • Motor outcomes were evaluated at 2.5 years corrected age using the Bayley-III motor index (n=98).
  • Logistic regression analyses were performed to examine associations between SOMP-I domains and Bayley-III scores.

Main Results:

  • Significant associations were found between SOMP-I scores and the Bayley-III motor index at all assessment ages.
  • At 4 months corrected age, both motor level and quality independently predicted later motor outcomes.
  • Motor quality showed independent associations with the Bayley-III motor index at 6 and 10 months corrected age, indicating increasing importance over time.

Conclusions:

  • Both the level and quality of motor performance in infancy serve as early markers for identifying potential motor problems.
  • The quality of motor performance becomes a more significant predictor of later motor development as infants age.
  • These findings support the use of early motor assessments for predicting long-term motor development in very preterm infants.
Abstract

Keywords:
Bayley-IIIcerebral palsymotor evaluationmotor functionpreterm infants

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