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Improvements in Kinematic Performance After Home-Based Bimanual Intensive Training for Children with Unilateral
Ya-Ching Hung1, Claudio L Ferre2, Andrew M Gordon3
1a Department of Family, Nutrition, and Exercise Sciences, Queens College , City University of New York , Flushing , New York , USA.
Insights
Home Hand-Arm Bimanual Intensive Training (H-HABIT) improved bimanual coordination in children with unilateral spastic cerebral palsy (USCP). This intensive program enhanced temporal coordination and movement quality, with lasting effects observed six months post-intervention.
Area of Science:
- Pediatric rehabilitation
- Neuroscience
- Movement science
Background:
- Unilateral spastic cerebral palsy (USCP) often impairs bimanual coordination.
- Effective therapeutic interventions are crucial for improving functional outcomes in children with USCP.
- Home-based intensive training offers a promising approach to address these challenges.
Purpose of the Study:
- To evaluate the impact of home-based intensive bimanual training (H-HABIT) on bimanual coordination in children with USCP.
- To assess changes in temporal coordination and movement quality using 3-D kinematic analysis.
- To determine the long-term maintenance of treatment effects.
Main Methods:
- Seven children with USCP (MACS I-III) underwent 90 hours of H-HABIT over 9 weeks.
- Caregivers delivered the training, focusing on a bimanual drawer-opening task.
- 3-D kinematic analysis (VICON) was used to measure bimanual coordination before and after training, and at 6-month follow-up.
Main Results:
- H-HABIT significantly improved temporal bimanual coordination, indicated by reduced hand-to-hand timing and increased simultaneous hand movement.
- Participants showed enhanced movement quality, including decreased trunk displacement and increased upper extremity joint excursion and elbow extension on the affected side.
- These improvements were sustained at the 6-month posttest.
Conclusions:
- Home-based intensive bimanual training (H-HABIT) effectively enhances both temporal coordination and movement quality in children with USCP.
- H-HABIT represents a viable alternative or adjunctive treatment option for improving functional bimanual skills in this population.
- The observed improvements demonstrate the potential for significant functional gains through accessible, home-based therapeutic programs.
Aims:
To evaluate the effects of home-based intensive bimanual training for children with unilateral spastic cerebral palsy (USCP) on bimanual coordination using 3-D kinematic analyses.
Methods:
Seven children with USCP (aged 29-54 months, MACS level: I-III) received 90 hours (2 hrs/day, 5days/week for 9 weeks) of Home Hand-Arm Bimanual Intensive Training (H-HABIT) provided by trained caregivers. A bimanual drawer-opening task was evaluated with eight infrared cameras using VICON workstation4.6 before and after training to assess improvements in bimanual coordination.
Results:
H-HABIT training significantly decreased the time between one hand opening the drawer and the other hand manipulating its contents (p < 0.05) and increased the percentage of time when both hands were moving simultaneously (p = 0.001), which are indicators of improved temporal bimanual coordination. In addition, participants demonstrated a 26% decrease in trunk displacement (p < 0.05), a 30% increase in upper arm joint excursion (p < 0.01), and a 25% increase in elbow extension (p < 0.05) for the affected side. All the improvements were maintained at 6-month posttest.
Conclusions:
H-HABIT improved not only temporal, but also quality of movement during a bimanual task for seven children with USCP. Thus, H-HABIT could be an alternative or adjunctive treatment for children with USCP.
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