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Related Experiment Video

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Motivating Selective Motor Control of Infants at High Risk of Cerebral Palsy Using an In-Home Kicking-Activated

Barbara Sargent1, Kathryn L Havens1, Masayoshi Kubo2

  • 1Division of Biokinesiology and Physical Therapy, Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, California, USA.

Physical Therapy
|December 22, 2021
PubMed
Summary

Infants at high risk of cerebral palsy (CP) showed improved selective hip-knee control when learning to activate a mobile with leg movements. This kicking-activated mobile task may enhance motor control in infants at high risk for CP.

Keywords:
Cerebral PalsyInfantMotor ControlMotor LearningSelective Motor Control

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Area of Science:

  • Pediatric neurology
  • Developmental motor control
  • Infant neurorehabilitation

Background:

  • Selective motor control is crucial for gait function in children with spastic cerebral palsy (CP).
  • Infants at high risk of CP exhibit reduced selective motor control as early as one month of age.
  • Early intervention is key to optimizing motor development and future walking ability.

Purpose of the Study:

  • To investigate if infants at high risk of CP and typically developing (TD) infants show enhanced selective hip-knee control during a kicking-activated mobile task.
  • To compare motor control during periods of demonstrated learning versus non-learning of the mobile-leg movement association.
  • To assess the potential of an in-home task to motivate improved leg movements in at-risk infants.

Main Methods:

  • A cohort study involving 10 infants at high risk of CP and 11 TD infants (3.5–4.5 months old).
  • Participants engaged in an in-home kicking-activated mobile task for 8–10 minutes daily, 5 days a week, over 6 weeks.
  • Over 80,000 kicks were analyzed, classified by learning (mobile activation) versus non-learning intervals.

Main Results:

  • Infants at high risk of CP demonstrated significantly more selective hip-knee control during learning intervals for 4 out of 6 weeks.
  • TD infants showed increased selective hip-knee control during learning intervals for 2 out of 6 weeks.
  • The kicking-activated mobile task appears to promote more controlled leg movements in at-risk infants.

Conclusions:

  • The in-home kicking-activated mobile task shows promise in motivating improved selective hip-knee control in infants at high risk of CP.
  • This study represents an initial step towards developing interventions aimed at enhancing motor control and optimizing gait function in infants at high risk of CP.
  • Further research can build upon these findings to create targeted therapies for early motor development.