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Related Experiment Video

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Does late preterm birth impact trunk control and early reaching behavior?

Natalia Tiemi da Silva Sato1, Andréa Baraldi Cunha2, Giovanna Laura Neves Antonio1

  • 1Department of Physical Therapy, Federal University of Sao Carlos, Rodovia Washington Luís, km 235, Sao Carlos, SP, 13565-905, Brazil.

Infant Behavior & Development
|April 5, 2021
PubMed
Summary
This summary is machine-generated.

Late preterm infants show delayed trunk control but advanced reaching skills compared to full-term infants. Trunk control correlates with reaching in full-term infants, offering insights for early intervention strategies.

Keywords:
InfantPretermReachingSitting positionTrunk control

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Area of Science:

  • Developmental Pediatrics
  • Motor Control Research
  • Infant Motor Development

Background:

  • Trunk control is crucial for developing reaching behaviors in infants.
  • Understanding differences between late preterm (LPT) and full-term (FT) infants is important for early intervention.
  • Longitudinal studies tracking motor development provide valuable insights.

Purpose of the Study:

  • To longitudinally assess trunk control and reaching behavior in LPT and FT infants.
  • To examine the relationship between trunk control and reaching outcomes.
  • To compare motor development in LPT and FT infants across different sitting positions.

Main Methods:

  • Longitudinal assessment of 20 LPT and 36 FT infants at 6, 7, and 8 months.
  • Utilized the Segmental Assessment of Trunk Control (SATCo) and reaching assessments.
  • Infants were tested in two sitting positions with manual trunk support.

Main Results:

  • LPT infants exhibited lower trunk control development over time compared to FT infants.
  • LPT infants showed a higher percentage of unimanual reaches and successful grasping at 7 months, and more reaches at 8 months.
  • Trunk control correlated with reaching strategies only in FT infants; sitting positions did not impact reaching.

Conclusions:

  • LPT infants demonstrate distinct motor development trajectories compared to FT infants.
  • Trunk control is a significant factor in reaching development, particularly for FT infants.
  • Findings support the use of trunk control and reaching behaviors as targets for clinical interventions in infants.