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Using motion capture technology to assess locomotor development in children.

Benoit Bossavit^1,2, Inmaculada Arnedillo-Sánchez¹

¹School of Computer Science and Statistics, Trinity College Dublin, Dublin, Ireland.

|December 19, 2022

Summary

MotorSense, an affordable motion capture system, accurately assesses children's motor development. This technology aids in identifying developmental delays and offers a cost-effective alternative to traditional assessments.

Keywords:

Child development health technology assessment motor skills user computer interface virtual systems

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Area of Science:

Pediatric Development
Biomedical Engineering
Movement Science

Background:

Motor and cognitive development are interconnected, with the prefrontal cortex and cerebellum playing key roles.
Monitoring motor development is crucial for early identification of developmental delays in children.
Current assessment methods for motor development face challenges in accessibility and cost.

Purpose of the Study:

To introduce MotorSense, an affordable motion capture technology for assessing children's motor development.
To evaluate the accuracy and reliability of MotorSense in analyzing age-related developmental motor tasks.
To explore the potential of MotorSense in addressing the shortage of accessible developmental assessment tools.

Main Methods:

MotorSense utilizes motion capture technology and pattern recognition heuristics to assess motor skills.
The system was evaluated with 16 children aged 4-6 years performing developmental motor tasks.
Data analysis focused on specific movements including jumps, steps, and hops.

Main Results:

MotorSense demonstrated high accuracy in recognizing various movements, with accuracy rates for specific jumps and jogging exceeding 80%.
The system showed a strong agreement with human assessments, with agreement levels for different tasks ranging from 91% to 99%.
Analysis included over 500 jumps, 2400 steps, and 800 hops, validating the system's performance across a substantial dataset.

Conclusions:

MotorSense provides an affordable technological solution for assessing motor development through age-related tasks.
The technology can help overcome limitations in access and cost associated with traditional developmental assessments.
MotorSense holds potential for the tele-detection of motor developmental delays, improving early intervention accessibility.