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Repeatability and reproducibility of the Tekscan HR-Walkway system in healthy children
Andrea Coda1, Tom Carline2, Derek Santos2
1The University of Newcastle, New South Wales, Australia.
Insights
The HR Walkway system demonstrates good repeatability and reproducibility for peak pressure and pressure time integral measurements in children aged 5-18. This gait analysis tool provides reliable data for clinical assessments.
Area of Science:
- Biomechanics
- Pediatric Gait Analysis
- Clinical Measurement
Background:
- Gait analysis is crucial for understanding foot biomechanics in children.
- Assessing the reliability of measurement tools is essential for clinical application.
- The HR Walkway system is a tool used for capturing plantar pressure data.
Purpose of the Study:
- To evaluate the repeatability and reproducibility of the HR Walkway system.
- To assess peak pressure (PP) and pressure time integral (PTI) measurements.
- To determine the reliability of the HR Walkway system in healthy children aged 5-18 years.
Main Methods:
- Recruited 30 healthy children (5-18 years) for two non-invasive assessments.
- Utilized the peak pressure box approach for gait analysis.
- Analyzed peak pressure and pressure time integral using Interclass Correlation Coefficient (ICC).
Main Results:
- Repeatability data showed 'good' ICC for 73.8% and 'moderate' ICC for 26.2% of variables.
- Reproducibility data indicated 'good' ICC for 70.7% and 'moderate' ICC for 29.3% of variables.
- The HR Walkway system yielded reliable measurements across tested parameters.
Conclusions:
- The HR Walkway system provides repeatable and reproducible gait analysis data in children.
- The system's reliability supports its use in pediatric clinical settings.
- Findings confirm the HR Walkway system as a dependable tool for measuring plantar pressure parameters.
Abstract:
This study investigated the repeatability and reproducibility of the HR Walkway system with regards to peak pressure values (PP) and pressure time integral (PTI) in healthy children, ranging between 5 and 18 years of age. Subjects recruited took part in two non-invasive clinical assessments, at baseline and 1 week later. Gait analysis was carried out using the PP box approach, and plantar foot recording was divided into 10 anatomical areas. The PP and PTI was investigated for the left, right and both feet accounted together. Interclass Correlation Coefficient (ICC) test was adopted for statistical analysis. Overall, 30 healthy patients were recruited and 60 appointments were completed, 53.3% (n=16) were female and 46.7% (n=14) were male. Mean age was 13.3 years (SD=4.5), with an age-range of 5-18.6 years old. Results indicated that for all variables tested the repeatability data were 'good' ICC for 73.8% (n=121) and 'moderate' ICC for 26.2% (n=43). For all variables tested, the reproducibility data showed that 'good' ICC for 70.7% (n=58) and 'moderate' ICC for 29.3% (n=24). In conclusion, the HR Walkway system is able to provide repeatable and reproducible data.
