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Applied physiology of triathlon
1University of Tennessee-Campbell Clinic, Department of Orthopaedic Surgery, Memphis, USA.
Sports Medicine (Auckland, N.Z.)
|April 1, 1995
Summary
Triathletes need high aerobic capacity (VO2max) and efficient movement economy for endurance. Optimizing technique, especially in swimming, is crucial for performance, alongside cardiovascular and metabolic adaptations.
Area of Science:
- Sports Science
- Exercise Physiology
- Endurance Sports
Background:
- Triathlon involves sequential swimming, cycling, and running.
- Success depends on sustaining high energy expenditure.
- Physiological adaptations are key to endurance performance.
Purpose of the Study:
- To analyze the physiological determinants of triathlon performance.
- To investigate the roles of aerobic capacity (VO2max) and movement economy.
- To explore training implications for triathletes.
Main Methods:
- Review of studies on VO2max and submaximal oxygen uptake (economy).
- Analysis of physiological adaptations (cardiovascular, metabolic, neuromuscular).
- Comparison of triathlete performance metrics with single-sport athletes.
Main Results:
- High VO2max is important, especially in shorter triathlons.
- Movement economy significantly correlates with performance across all three disciplines.
- Elite triathletes' VO2max correlates less with performance in longer events.
- Swimming economy may be improvable through technique refinement for non-swimmers.
Conclusions:
- Both maximal oxygen uptake and movement economy are critical for triathlon success.
- Training should focus on improving economy, considering the multi-sport nature of the event.
- Technique optimization, particularly in swimming, can enhance performance for certain triathletes.