Related Experiment Video
Updated: Oct 5, 2025
09:24
Quantified Assessment of Infant's Gross Motor Abilities Using a Multisensor Wearable
Published on: May 17, 2024
1.7K
Longitudinal associations between infant movement behaviours and development.
Valerie Carson1, Zhiguang Zhang2, Madison Predy2
1Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, AB, Canada. vlcarson@ualberta.ca.
Summary
Promoting tummy time and reading in infants enhances gross motor and overall development. Conversely, excessive back time and restraint are linked to developmental delays, highlighting the importance of active infant engagement.
Area of Science:
- Developmental Pediatrics
- Infant Motor Development
- Early Childhood Behavior
Background:
- Methodological limitations in existing evidence inform early years movement behavior guidelines.
- This study addresses these limitations by examining longitudinal associations between infant behaviors and development.
Purpose of the Study:
- To investigate the longitudinal associations of infant physical activity (tummy time) and sedentary behaviors (back time, screen time, reading time, restrained time) with gross motor development.
- To explore associations with other developmental domains (communication, fine motor, personal-social, problem solving) and sleep time.
Main Methods:
- Longitudinal study of 411 parent-infant dyads from the Early Movers project.
- Infant physical activity, sedentary behavior, and sleep assessed via parental questionnaire.
- Gross motor milestones tracked over 18 months; Alberta Infant Motor Scale (AIMS) used for objective assessment in a subsample.
Main Results:
- Higher tummy time correlated with advanced gross motor and personal-social development, and earlier milestone acquisition.
- Increased reading time associated with higher scores in fine motor, gross motor, and personal-social development.
- Higher back time and restrained time linked to delayed gross motor milestones.
Conclusions:
- Tummy time and reading time positively impact infant motor and overall development.
- Back time and restrained time may have detrimental effects on motor development.
- Findings support promoting tummy time and reading for enhanced early childhood development.
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