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The General Movements in children with Down syndrome
Luigi Mazzone1, Diego Mugno, Domenico Mazzone
1Division of Child Neuropsychiatry, Department of Pediatrics, University of Catania, Via S. Sofia, 78, 95100 Catania, Italy.
Insights
General Movements (GMs) in children with Down syndrome (DS) show distinct characteristics, including reduced speed and amplitude. Early GM assessment can identify motor impairments in DS infants, aiding timely interventions.
Area of Science:
- Neuroscience
- Developmental Pediatrics
- Genetics
Background:
- Down syndrome (DS) is a genetic condition associated with developmental delays.
- General Movements (GMs) are spontaneous motor behaviors crucial for assessing early neurological development.
Purpose of the Study:
- To characterize the General Movements (GMs) in infants with Down syndrome (DS).
- To compare GM characteristics between infants with DS and healthy controls.
Main Methods:
- Assessed GMs in 23 infants with DS and 30 healthy infants from birth to 6 months corrected age.
- Employed qualitative and semi-quantitative evaluations of GMs.
- Utilized graphical display to generate motor optimality scores and growth curves.
Main Results:
- Infants with DS exhibited GMs with low-to-moderate speed and large-to-moderate amplitude, often appearing less fluent and complex.
- While all infants showed improvement over 6 months, significant heterogeneity was observed in the DS group.
- Healthy infants displayed normal GMs with only transient early abnormalities.
Conclusions:
- The distinct GM patterns in DS may reflect underlying central nervous system and peripheral abnormalities.
- GM evaluation serves as a potential early marker for motor impairment in DS.
- Early identification of motor deficits through GMs can inform management decisions.
Objective:
Aim of our study was to describe the character of General Movements (GMs) in children with Down Syndrome (DS).
Material And Methods:
GMs of 23 children with DS and of 30 healthy full-term infants were assessed from birth to 6th month corrected age. A qualitative and a semi-quantitative evaluation of GMs were achieved for each child. Data were graphically displayed to obtain growth curves of motor optimality scores.
Results:
GMs in children with DS are characterised by low-low/moderate speed, large-large/moderate amplitude, partially creating impression of fluency, smoothness and complexity, abrupt beginning and end, few other concurrent gross movements. During the 6 months, all children showed an improvement of qualitative and semi-quantitative evaluation, but it was possible to observe great heterogeneity among children in the evolutionary course. GMs evaluation of children with no known motor problems was normal, showing only slight and transient abnormalities at first months.
Conclusion:
GMs character of children with DS could be related to central nervous system and peripheral abnormalities characterizing this syndrome. The evaluation of GMs in children with DS could be an early marker of motor impairment and help in early management decisions making.
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