Motor function of infants with spastic hemiplegia
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Early signs of spastic hemiplegia in infants include limited arm movement and hand opening. Hand posture at 7-8 months can predict later upper extremity function in children with cerebral palsy.
Area of Science:
- Pediatrics
- Neurology
- Developmental Biology
Background:
- Spastic hemiplegia is a common form of cerebral palsy affecting one side of the body.
- Early identification of motor deficits is crucial for timely intervention.
- Understanding early motor patterns can aid in predicting long-term outcomes.
Purpose of the Study:
- To retrospectively analyze early motor function in infants diagnosed with spastic hemiplegia.
- To identify early motor signs that correlate with later upper extremity function.
- To investigate the predictive value of primitive reflexes and truncal tone for hemiplegic cerebral palsy.
Main Methods:
- Retrospective analysis of videotapes from 25 children with spastic hemiplegia, recorded between 2-8 months of age.
- Assessment of specific motor functions including arm movement, hand opening, and limb positioning.
- Correlation analysis between early motor patterns and later functional outcomes.
Main Results:
- Deficient forward arm movement and hand opening were observed in many infants on the affected side.
- Hand posture (semiflexed or clenched) at 7-8 months correlated with later upper extremity function.
- Most infants could support weight on the flexed affected arm in prone position; half had impaired knee extension in supine position.
- No early asymmetry in limb movements, persistent primitive reflexes, or abnormal truncal tone were identified as predictors.
Conclusions:
- Early motor impairments in spastic hemiplegia manifest as specific limitations in arm and hand function.
- Hand posture in early infancy is a significant predictor of later upper extremity function.
- Primitive reflexes and truncal tone do not appear to be reliable early indicators of hemiplegic cerebral palsy.
Abstract:
The motor function of 25 children with spastic hemiplegia was examined retrospectively using videotapes recorded at 2-8 months of age. Many infants showed deficient forward movement of the arm and deficient opening of the hand on the affected side. At 7 and 8 months of age, whether the hand was semiflexed or clenched was correlated with the later upper extremity function. In the prone position, most could support their weight on the flexed arm on the affected side. In the supine position, half of the infants could not extend the knee on the affected side. At 2 months of age, asymmetry of the upper and lower extremity movements was not identified. Persistent primitive reflexes and abnormal truncal muscular tone were not recognized in the hemiplegic infants, and did not seem to be signs predicting hemiplegic cerebral palsy.