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The relationship between a child's postural stability and manual dexterity
Ian Flatters1, Faisal Mushtaq, Liam J B Hill
1Institute of Psychological Sciences, University of Leeds, Leeds, West Yorkshire, UK.
Experimental Brain Research
|May 15, 2014
Summary
Postural stability and manual control are linked in children, though distinct neural systems govern each. Postural stability predicts some manual skill variance, supporting separate assessments in motor evaluations.
Area of Science:
- Developmental neuroscience
- Motor control research
- Pediatric motor development
Background:
- Postural control and hand control involve separate neural systems.
- Functional links exist between postural stability and eye-hand coordination.
- Precise manual tasks require a stable base, impacting skill development.
Purpose of the Study:
- To investigate the empirical relationship between postural stability and manual motor control in children.
- To determine the predictive power of postural stability measures for manual skill performance.
- To explore the interdependence of motor control development.
Main Methods:
- Objective computerized measures of postural stability in stance were recorded.
- Manual control in sitting was assessed using computerized measures.
- Data were collected from 278 school children aged 3-11 years.
Main Results:
- A strong correlation was observed between postural stability and manual control measures.
- Age-corrected analysis revealed a significant but modest correlation.
- Postural stability accounted for 1-10% of the variance in manual performance, varying by task.
Conclusions:
- There is an interdependent functional relationship between manual control and postural stability development.
- Distinct neural architectures for gross and fine motor control explain the modest correlation.
- Separate assessments of postural stability and manual dexterity are justified and have therapeutic implications.
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