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Cadence, Stride Rate and Stride Length during Triathlon Competition
Grant J Landers1, Brian A Blanksby1, Timothy Rackland1
1School of Sport Science, Exercise & Health, University of Western Australia.
International Journal of Exercise Science
|May 17, 2016
Summary
Elite triathletes maintain consistent cycling cadence but fatigue impacts running stride. Longer running stride length correlates with better performance in both running and overall triathlon completion.
Area of Science:
- Sports Science
- Biomechanics
- Exercise Physiology
Background:
- Cycling impacts physiological responses in subsequent running, but biomechanical effects remain unclear.
- Understanding biomechanical changes during triathlons is crucial for performance optimization.
Purpose of the Study:
- To analyze cycling cadence and running stride rate and length in elite triathletes during competition.
- To compare these biomechanical variables with running and overall triathlon performance.
Main Methods:
- Video analysis of 51 elite male triathletes during World Championships.
- Utilized Video Expert II Coach software for data acquisition.
- Measured cycling cadence, running stride rate (SR), and running stride length (SL).
Main Results:
- Consistent cycling cadence (96.8 rpm) and running cadence (90.9 rpm) observed.
- A significant increase in cadence (99.6 rpm) occurred at the end of the cycling leg.
- Running SR and SL decreased significantly by the end of the run, indicating fatigue (p<0.01).
- Running SL showed a significant positive correlation with running and triathlon performance (p<0.01).
Conclusions:
- Elite triathletes exhibit distinct cadence patterns during cycling and running phases.
- Fatigue significantly impacts running stride characteristics towards the end of a triathlon.
- Maintaining a longer running stride length is a key factor for superior running and overall triathlon performance.
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