Negative Foot Speed and Sprint Performance
Author Information
Author(s): Pla Gerard Aristizábal, Martini Douglas N., Potter Michael V., Hoogkamer Wouter, Cain Stephen M.
Primary Institution: Department of Bioengineering, University of Pittsburgh
Hypothesis
Faster peak speeds would be associated with greater anteroposterior components of negative foot speed.
Conclusion
The study found that increasing negative foot speed can improve sprint speed.
Supporting Evidence
- Negative foot speed is a strong predictor of sprinting performance.
- IMUs provide a cost-effective way to assess sprinting technique.
- Faster peak speeds were associated with greater negative foot speed components.
Takeaway
If you run faster by moving your foot backward and down more when it hits the ground, you can sprint better.
Methodology
Seventeen participants performed 80-meter sprints while wearing shoe-mounted inertial measurement units (IMUs) to measure foot speed.
Limitations
The study did not compare IMU-based measurements with optical motion capture data, and the accuracy of IMU-based foot speed estimates needs further validation.
Participant Demographics
13 males and 4 females, average age 24.6 years.
Statistical Information
P-Value
0.02
Confidence Interval
(-0.97, -0.11)
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website