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Acquisition of upper body stability during walking in toddlers
1Institute for Fundamental and Clinical Human Movement Sciences, Vrije Universiteit, Amsterdam, The Netherlands.
Insights
Toddlers rapidly improve upper body stability and walking efficacy within weeks of independent walking. This study tracked head and trunk movements alongside gait parameters during early development.
Area of Science:
- Developmental biomechanics
- Pediatric motor control
Background:
- Independent walking is a major developmental milestone in toddlers.
- Early walking involves significant adjustments in balance and coordination.
- Understanding the interplay between upper body stabilization and gait is crucial for developmental research.
Purpose of the Study:
- To investigate the developmental trajectory of head and trunk movements during the initial stages of independent walking in toddlers.
- To correlate changes in upper body stability with global gait parameters.
Main Methods:
- Longitudinal observation of 7 infants from the onset of walking for 46-80 weeks.
- Measurement of head and trunk rotations in frontal and sagittal planes.
- Assessment of global gait parameters including velocity, cadence, step length/width, and double support phase duration.
Main Results:
- Significant decrease in head and trunk oscillations observed in the early weeks of walking, indicating improved upper body stabilization.
- Concurrent dramatic improvements in global gait parameters during the initial phase.
- Continued, albeit slower, developmental trends in gait parameters after the initial rapid changes.
Conclusions:
- Early independent walking is characterized by rapid gains in both upper body stabilization and gait efficiency.
- Head and trunk stability are closely linked to the development of effective walking patterns in toddlers.
- Individual developmental trends highlight the complex, yet coordinated, maturation of motor skills.
Abstract:
This study examines the development of head and trunk movements in toddlers as they begin to walk independently. The data are from a longitudinal study of 7 infants observed from the onset of walking over a period of 46-80 weeks. Head and trunk rotations were measured in the frontal and sagittal planes together with global gait parameters (progression velocity, step cadence, length and width, duration of double support phase). The results showed that during the first weeks of walking head and trunk oscillations significantly decreased, indicating that considerable progress is made in upper body stabilization. Dramatic changes in global gait parameters also occurred at this time. After this first period of rapid changes, gait parameters continued the same developmental trend but with slower changes. The close relation between gain in head and trunk stability and improvement in walking efficacy is discussed on the basis of the individual developmental trends.