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Multicomponent Velocity Measurement for Linear Sprinting: Usain Bolt's 100 m World-Record Analysis.
Stanislav Štuhec1, Peter Planjšek2, Milan Čoh1
1Faculty of Sport, University of Ljubljana, Gortanova Ul. 22, 1000 Ljubljana, Slovenia.
Bioengineering (Basel, Switzerland)
|November 25, 2023
Summary
Usain Bolt
Area of Science:
- Sports Science
- Biomechanics
- Athletics
Background:
- Usain Bolt's 2009 world record of 9.58 seconds in the 100m sprint remains a benchmark in athletics.
- Understanding the biomechanics of elite sprinting is crucial for performance enhancement.
Purpose of the Study:
- To conduct a detailed kinematic analysis of Usain Bolt's 100m world record race.
- To identify key factors contributing to maximum velocity and overall race time.
- To explore the practical applications of new analysis technologies for athletic training.
Main Methods:
- Utilized advanced laser measurement technology (LAVEG) for high spatiotemporal resolution data.
- Applied new Stuhec software for unique kinematic analysis of the race.
- Focused on analyzing maximum running velocity and related biomechanical parameters.
Main Results:
- Usain Bolt reached a peak velocity of 12.32 m/s at the 52m mark.
- He maintained maximum velocity across five 10m sections from 50m to 100m.
- Functional asymmetry was observed, with longer strides from the left leg for over 80m.
Conclusions:
- Maximum velocity phase is the critical determinant of 100m sprint race time.
- Advanced kinematic analysis reveals insights into step length, frequency, and asymmetry.
- New technologies enable precise analysis for optimizing training programs to enhance sprinting performance.
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