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A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
Published on: August 28, 2018
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Test-retest reliability of two-dimensional video analysis during running
Bart Dingenen1, Christian Barton2, Tessa Janssen1
1Rehabilitation Research Centre, Biomedical Research Institute, Faculty of Medicine and Life Sciences, UHasselt, Diepenbeek, Belgium.
Summary
Two-dimensional video analysis reliably measures running kinematics over time. A minimum of 7 steps are recommended for stable running analysis, ensuring accurate kinematic data collection.
Area of Science:
- Biomechanics
- Sports Science
- Motion Analysis
Background:
- Accurate measurement of running kinematics is crucial for injury prevention and performance enhancement.
- Test-retest reliability of two-dimensional (2D) video analysis for running kinematics needs further investigation.
Purpose of the Study:
- To assess the test-retest reliability of 2D kinematic measurements during running.
- To determine the optimal number of steps for stable kinematic data in recreational runners.
Main Methods:
- A reliability study involving 21 recreational runners in a laboratory setting.
- 2D video analysis captured frontal and sagittal plane kinematics over 10 steps per leg, with testing repeated one week apart.
- Sequential estimation determined the number of steps for a stable mean, with Intraclass Correlation Coefficients (ICC) and Smallest Detectable Differences (SDD) calculated.
Main Results:
- Excellent reliability (ICC 0.90-0.99) was found for lateral trunk position, femoral adduction, and foot inclination.
- Good to excellent reliability was observed for tibia inclination and ankle dorsiflexion (ICC 0.73-0.92).
- Moderate to good reliability was noted for contralateral pelvic drop (ICC 0.59-0.77).
Conclusions:
- 2D video analysis demonstrates reliable test-retest capabilities for assessing running kinematics.
- A mean of at least 7 steps is recommended for consistent and stable kinematic data in running analysis.
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