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Published on: July 17, 2020
Relationship between foot placement and mediolateral ground reaction forces during running
1School of Life and Health Sciences, University of Delaware, Newark, USA; Center for Locomotion Studies, The Pennsylvania State University, University Park, USA.
Clinical Biomechanics (Bristol, Avon)
|August 7, 2013
Summary
Running gait analysis reveals foot placement significantly impacts ground reaction force impulse. Extreme foot placements, like crossover or wide-base, strongly influence mediolateral forces, mimicking cutting motions.
Area of Science:
- Biomechanics
- Sports Medicine
- Running Science
Background:
- Understanding ground reaction forces is crucial for running injury prevention.
- Foot placement relative to the body's midline is a key variable in gait analysis.
Purpose of the Study:
- To investigate the relationship between foot placement and mediolateral ground reaction forces during running.
- To analyze how different foot placements affect running dynamics and injury risk.
Main Methods:
- Analysis of running data from 40 individuals at a running injury clinic.
- Linear regression to assess relationships between foot placement and ground reaction forces (peak values and impulse).
- Case study of a single runner with varied gait patterns (neutral, crossover, wide-base).
Main Results:
- No significant relationship found between foot placement and peak mediolateral forces.
- Significant correlation between foot placement and mediolateral impulse, with crossover gait increasing lateral impulse.
- Case study showed crossover gait yielded 97% lateral impulse contribution; wide-base gait showed significant medial impulse.
Conclusions:
- Foot placement significantly influences the impulse of mediolateral ground reaction forces during running.
- Extreme foot placements (crossover, wide-base) demonstrate distinct mediolateral force patterns, potentially mimicking cutting maneuvers.
- These findings have implications for understanding running biomechanics and injury mechanisms related to gait deviations.
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