Influence of activity on plantar force distribution
C Reinschmidt1, B M Nigg, G R Hamilton
1Human Performance Laboratory, The University of Calgary, Calgary, Canada.
Clinical Biomechanics (Bristol, Avon)
|August 7, 2013
Summary
A 30-minute run had minimal impact on plantar force distribution during walking. Individual foot structure and gait significantly influence how forces are distributed across the foot's plantar surface.
Area of Science:
- Biomechanics
- Sports Science
- Human Movement Analysis
Background:
- Plantar pressure distribution is crucial for understanding foot function during locomotion.
- The effects of acute physical activity, such as running, on plantar forces require further investigation.
Purpose of the Study:
- To quantify the influence of a 30-minute run on plantar force distribution in healthy adults.
- To analyze changes in maximal and average forces across different foot regions (rearfoot, midfoot, forefoot) post-exercise.
Main Methods:
- Eleven healthy subjects completed walking trials on a force distribution platform.
- Data collection included five trials before and five trials after a 30-minute running bout.
- Plantar forces were analyzed across three distinct foot regions: rearfoot, midfoot, and forefoot.
Main Results:
- A statistically significant difference was observed in maximal forefoot force, though the change was minor (<3%).
- No substantial alterations in plantar force distribution were detected after the 30-minute run.
- Significant inter-subject variability was found across all measured force variables.
Conclusions:
- A short bout of running does not significantly alter plantar force distribution during walking in healthy individuals.
- Individual differences in foot structure and gait patterns are major determinants of plantar force distribution.
- Plantar force distribution analysis holds potential for assessing individual biomechanical characteristics.
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