Application of critical intensity model during slide board skating
Tatiane Piucco1, Ricardo Dantas de Lucas2
1a Health and Physical Education Department, Mount Royal University, Calgary, AB T3E 6K6, Canada.
Summary
This study compared linear and hyperbolic models for determining critical cadence (CC), critical power (CP), and work above CP (W') in speed skaters. The linear model yielded a significantly higher CC than the hyperbolic model.
Area of Science:
- Sports Science
- Exercise Physiology
Background:
- Understanding physiological determinants of endurance performance is crucial for training optimization.
- Critical cadence (CC), critical power (CP), and work above CP (W') are key parameters in endurance performance modeling.
Purpose of the Study:
- To compare critical cadence (CC), critical power (CP), and work above CP (W') values derived from linear and hyperbolic modeling approaches.
- To assess the agreement between these two modeling techniques in well-trained speed skaters.
Main Methods:
- 13 well-trained speed skaters performed 3-4 trials to exhaustion on a slide board.
- Data were analyzed using both linear and hyperbolic modeling to determine CC, CP, and W'.
Main Results:
- Critical cadence (CC) was significantly higher when determined by the linear model compared to the hyperbolic model (56.0 ± 4.8 vs 55.0 ± 4.5 push-offs/min, p = 0.01).
- No significant differences were observed between the linear and hyperbolic models for critical power (CP) and work above CP (W') parameters.
Conclusions:
- Linear and hyperbolic models provide comparable estimates for critical power and work above CP in speed skating.
- Differences in critical cadence estimates between the models warrant consideration in performance analysis and training prescription.
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