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Relationship between segmental trunk control and gross motor development in typically developing infants aged from 4

Tamis W Pin1, Penelope B Butler2, Hon-Ming Cheung3

  • 1Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong. tamis.pin@polyu.edu.hk.

BMC Pediatrics
|November 13, 2019
PubMed

Insights

This study shows that upright trunk control is linked to gross motor skills in infants. Focusing on both can help babies with movement challenges develop better.

Area of Science:

  • Pediatric motor development
  • Infant motor control
  • Gross motor skill acquisition

Background:

  • Trunk control is crucial for gross motor development, but clinical data is limited.
  • This study investigates the longitudinal relationship between segmental trunk control and gross motor development in infants.
  • Previous assumptions about trunk control and motor development lacked empirical validation.

Purpose of the Study:

  • To examine the longitudinal development of segmental trunk control in infants.
  • To assess the relationship between trunk control and gross motor development from 4 to 12 months.
  • To provide clinical data validating the connection between trunk control and motor milestones.

Main Methods:

  • Recruited 20 healthy, full-term infants.
  • Assessed infants monthly from 4 to 12 months.
  • Utilized the Segmental Assessment of Trunk Control and Alberta Infant Motor Scale.

Main Results:

  • Segmental trunk control demonstrated a clear developmental trend.
  • Static vertical upright trunk control emerged before active and reactive control.
  • Significant correlations (p < 0.004) were observed between trunk control and gross motor skills in prone and sitting positions from 8 months onwards.

Conclusions:

  • Preliminary clinical evidence supports the inter-dependency of trunk control and gross motor development.
  • Upright trunk control is particularly important as infants gain functional upright skills.
  • A dual approach to training trunk control and gross motor skills may benefit infants with movement disorders.
Abstract

Keywords:
Gross motor skillsInfantsLongitudinalPostural control

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