Crawl Position Depends on Specific Earlier Motor Skills

Ewa Gajewska1, Jerzy Moczko2, Mariusz Naczk3

  • 1Department of Developmental Neurology, Poznan University of Medical Sciences, 60-355 Poznan, Poland.

Insights

Early motor skill assessment in infants is crucial. Proper 3-month-old pelvic positioning predicts crawling by 7 months, impacting future development.

Area of Science:

  • Pediatric physiotherapy
  • Infant motor development
  • Developmental pediatrics

Background:

  • Early detection of motor disturbances is vital for timely intervention.
  • A unified method for assessing and initiating therapy for motor delays is lacking.
  • Understanding early motor milestones aids in predicting later developmental achievements.

Purpose of the Study:

  • To analyze the correlation between qualitative motor development assessment at 3 months and achieving the crawl position by 7 months.
  • To identify key early indicators of motor development relevant to achieving the crawl milestone.
  • To investigate the impact of early motor patterns on subsequent motor acquisition.

Main Methods:

  • Longitudinal study involving 135 infants (66 female).
  • Physiotherapeutic and neurological assessments conducted at 3, 7, and 9 months of age.
  • Infants categorized based on attainment of the crawl position by 7 months.

Main Results:

  • Infants not achieving the crawl position at 7 months showed deficits in distal motor skills at 3 months.
  • Adequate pelvic positioning at 3 months was a significant predictor of achieving the crawl position at 7 months.
  • Failure to achieve the crawl position by 7 months was associated with delays in further motor development.

Conclusions:

  • Proximal-distal motor development is a prerequisite for assuming the crawl position.
  • Early supine positioning assessment at 3 months showed a stronger association with achieving the crawl position than prone assessment.
  • Early qualitative motor assessment can identify infants at risk for delayed motor milestones, guiding therapeutic strategies.